Checklist of the vascular plants of OREGON (excluding grasses and their allies) ACERACEAE Acer circinatum Pursh vine maple Acer glabrum Torr. Rocky Mountain maple Acer glabrum var. douglasii (Hook.) Dippel Douglas maple Acer macrophyllum Pursh bigleaf maple Acer negundo L. boxelder Acer negundo var. negundo L. boxelder ACORACEAE Acorus americanus (Raf.) Raf. sweetflag Acorus calamus auct. non L. = Acorus americanus Acorus calamus var. americanus (Raf.) H.D. Wulff. = Acorus americanus AIZOACEAE Aptenia cordifolia (L. f.) Schwant. heartleaf iceplant Carpobrotus aequilateralus (Haw.) N.E. Br. baby sunrose Mesembryanthemum cordifolium L. f. = Aptenia cordifolia Sesuvium verrucosum Raf. verrucose seapurslane ALISMATACEAE Alisma geyeri Torr. = Alisma gramineum Alisma gramineum Lej. narrowleaf water plantain Alisma lanceolatum Withering lanceleaf water plantain Alisma plantago-aquatica = Alisma triviale Alisma triviale Pursh northern water plantain Machaerocarpus californicus (Torr. ex Benth.) Small California damsonium Sagittaria calycina Engelm. hooded arrowhead Sagittaria calycina var. calycina Engelm. hooded arrowhead Sagittaria cuneata Sheldon arumleaf arrowhead Sagittaria latifolia Willd. broadleaf arrowhead Sagittaria latifolia var. latifolia Willd. broadleaf arrowhead AMARANTHACEAE Amaranthus albus L. prostrate pigweed Amaranthus blitoides S. Wats. mat amaranth Amaranthus californicus (Moq.) S. Wats. California amaranth Amaranthus cruentus L. red amaranth Amaranthus deflexus L. largefruit amaranth Amaranthus retroflexus L. redroot amaranth ANACARDIACEAE Rhus diversiloba Torr. & Gray = Toxicodendron diversilobum Rhus glabra L. smooth sumac Rhus trilobata Nutt. skunkbush sumac Rhus trilobata var. simplicifolia (Greene) Barkl. skunkbush sumac Rhus trilobata var. trilobata Nutt. skunkbush sumac Toxicodendron diversilobum (Torr. & Gray) Greene Pacific poison oak Toxicodendron radicans ssp. diversilobum (Torr. & Gray) Thorne = Toxicodendron diversilobum APOCYNACEAE Apocynum X floribundum Greene (pro sp.) intermediate dogbane Apocynum androsaemifolium L. spreading dogbane Apocynum androsaemifolium ssp. androsaemifolium L. spreading dogbane Apocynum androsaemifolium ssp. androsaemifolium var. androsaemifolium L. spreading dogbane Apocynum androsaemifolium ssp. androsaemifolium var. incanum A. DC. spreading dogbane Apocynum cannabinum L. Indianhemp Apocynum medium Greene = Apocynum X floribundum Apocynum sibiricum Jacq. = Apocynum cannabinum Apocynum suksdorfii Greene = Apocynum cannabinum Vinca major L. bigleaf periwinkle ARACEAE Lysichiton americanus Hulten & St. John American skunkcabbage Lysichiton camtschatcensis auct. non (L.) Schott = Lysichiton americanus ARALIACEAE Aralia californica S. Wats. California spikenard Echinopanax horridus (Sm.) Dcne. & Planch. ex H.A.T. Harms = Oplopanax horridus Hedera helix L. English ivy Oplopanax horridus Miq. devilsclub ARISTOLOCHIACEAE Asarum caudatum Lindl. British Columbia wildginger Asarum caudatum var. caudatum Lindl. British Columbia wildginger Asarum caudatum var. viridiflorum M.E. Peck longtail wildginger Asarum hartwegii S. Wats. Hartweg's wildginger ASCLEPIADACEAE Asclepias cordifolia (Benth.) Jepson heartleaf milkweed Asclepias cryptoceras S. Wats. pallid milkweed Asclepias cryptoceras ssp. davisii (Woods.) Woods. Davis' milkweed Asclepias fascicularis Dcne. Mexican whorled milkweed Asclepias speciosa Torr. showy milkweed Asclepias syriaca L. common milkweed ASPLENIACEAE Asplenium septentrionale (L.) Hoffmann forked spleenwort Asplenium trichomanes L. maidenhair spleenwort Asplenium trichomanes-ramosum L. brightgreen spleenwort AZOLLACEAE Azolla filiculoides Lam. Pacific azolla BALSAMINACEAE Impatiens aurella Rydb. paleyellow touchmenot Impatiens capensis Meerb. jewelweed Impatiens ecalcarata Blank. spurless touchmenot Impatiens glandulifera Royle ornamental jewelweed Impatiens noli-tangere L. western touchmenot BERBERIDACEAE Achlys triphylla (Sm.) DC. sweet after death Berberis aquifolium Pursh = Mahonia aquifolium Berberis nervosa Pursh = Mahonia nervosa var. nervosa Berberis pinnata Lag. = Mahonia pinnata ssp. pinnata Berberis repens Lindl. = Mahonia repens Mahonia aquifolium (Pursh) Nutt. hollyleaved barberry Mahonia nervosa (Pursh) Nutt. Cascade Oregongrape Mahonia nervosa var. nervosa (Pursh) Nutt. cascade Oregongrape Mahonia pinnata (Lag.) Fedde wavyleaf Oregongrape Mahonia pinnata ssp. pinnata (Lag.) Fedde California barberry Mahonia repens (Lindl.) G. Don Oregongrape Vancouveria Morr. & Dcne. vancouveria Vancouveria chrysantha Greene golden insideout flower Vancouveria hexandra (Hook.) Morr. & Dcne. white insideout flower Vancouveria planipetala Calloni redwood insideout flower BETULACEAE Alnus incana (L.) Moench mountain alder Alnus incana ssp. tenuifolia (Nutt.) Breitung thinleaf alder Alnus rhombifolia Nutt. white alder Alnus rubra Bong. red alder Alnus viridis (Vill.) Lam. & DC. sitka alder Alnus viridis ssp. sinuata (Regel) A.& D. Love Sitka alder Betula X utahensis Britt. (pro sp.) northwestern paper birch Betula nana L. bog birch Betula occidentalis Hook. water birch Betula papyrifera Marsh. paper birch Betula papyrifera var. commutata (Regel) Fern. western paper birch Betula pumila L. swamp birch Betula pumila var. glandulifera Regel glandulose birch Corylus cornuta Marsh. beaked hazelnut Corylus cornuta var. californica (A. DC.) Sharp California hazelnut BLECHNACEAE Blechnum spicant (L.) Roth deer fern Woodwardia fimbriata Sm. giant chainfern BORAGINACEAE Amsinckia carinata A. Nels. & J.F. Macbr. Malheur Valley fiddleneck Amsinckia intermedia Fisch. & C.A. Mey. = Amsinckia menziesii var. intermedia Amsinckia lycopsoides Lehm. tarweed fiddleneck Amsinckia menziesii (Lehm.) A. Nels. & J.F. Macbr. Menzies' fiddleneck Amsinckia menziesii var. intermedia (Fisch & C.A. Mey.) Ganders Amsinckia menziesii var. menziesii (Lehm.) A. Nels. & J.F. Macbr. Amsinckia spectabilis Fisch. & C.A. Mey. woolly breeches Amsinckia tessellata Gray bristly fiddleneck Anchusa arvensis (L.) Bieb. small bugloss Anchusa azurea P. Mill. Italian bugloss Anchusa officinalis L. common bugloss Argusia Boehmer sea rosemary Argusia sibirica (L.) Dandy Siberian sea rosemary Asperugo procumbens L. madwort Borago officinalis L. common borage Buglossoides arvensis (L.) I.M. Johnston corn gromwell Cryptantha Lehm. ex G. Don cryptantha Cryptantha affinis (Gray) Greene quill catseye Cryptantha ambigua (Gray) Greene basin catseye Cryptantha celosioides (Eastw.) Payson buttecandle Cryptantha circumscissa (Hook. & Arn.) I.M. Johnston cushion catseye Cryptantha circumscissa var. circumscissa (Hook. & Arn.) I.M. Johnston cushion catseye Cryptantha echinella Greene prickly catseye Cryptantha fendleri (Gray) Greene sanddune catseye Cryptantha flaccida (Dougl. ex Lehm.) Greene weakstem catseye Cryptantha gracilis Osterhout narrowstem catseye Cryptantha intermedia (Gray) Greene Clearwater catseye Cryptantha leiocarpa (Fisch. & C.A. Mey.) Greene coastal catseye Cryptantha micrantha (Torr.) I.M. Johnston redroot catseye Cryptantha micrantha var. micrantha (Torr.) I.M. Johnston redroot catseye Cryptantha milo-bakeri I.M. Johnston Milo Baker's catseye Cryptantha propria (A. Nels. & J.F. Macbr.) Payson Malheur catseye Cryptantha pterocarya (Torr.) Greene wingnut catseye Cryptantha pterocarya var. pterocarya (Torr.) Greene wingnut catseye Cryptantha recurvata Coville curvenut catseye Cryptantha rostellata var. rostellata (Greene) Greene beaked catseye Cryptantha scoparia A. Nels. Pinyon Desert catseye Cryptantha simulans Greene pinewoods catseye Cryptantha sobolifera Payson Waterton Lakes catseye Cryptantha spiculifera (Piper) Payson Snake River catseye Cryptantha thompsonii I.M. Johnston Thompson's catseye Cryptantha torreyana (Gray) Greene Torrey's catseye Cryptantha torreyana var. torreyana (Gray) Greene Torrey's catseye Cryptantha watsonii (Gray) Greene Watson's catseye Cynoglossum grande Dougl. ex Lehm. Pacific hound's tongue Cynoglossum occidentale Gray western hound's tongue Cynoglossum officinale L. gypsyflower Eritrichium nanum (Vill.) Schrad. ex Gaudin arctic alpine forget me not Eritrichium nanum var. aretioides (Cham.) Herder alpine forget me not Eritrichium nanum var. elongatum (Rydb.) Cronq. arctic alpine forget me not Hackelia californica (Gray) I.M. Johnston California stickseed Hackelia cronquistii J.L. Gentry Cronquist's stickseed Hackelia cusickii (Piper) Brand Cusick's stickseed Hackelia diffusa (Lehm.) I.M. Johnston spreading stickseed Hackelia diffusa var. cottonii (Piper) R.L. Carr Cotton's stickseed Hackelia diffusa var. diffusa (Lehm.) I.M. Johnston spreading stickseed Hackelia floribunda (Lehm.) I.M. Johnston manyflower stickseed Hackelia hispida (Gray) I.M. Johnston showy stickseed Hackelia hispida var. hispida (Gray) I.M. Johnston showy stickseed Hackelia micrantha (Eastw.) J.L. Gentry Jessica sticktight Hackelia ophiobia R.L. Carr Owyhee River stickseed Hackelia patens (Nutt.) I.M. Johnston common stickseed Hackelia patens var. patens (Nutt.) I.M. Johnston spotted stickseed Hackelia setosa (Piper) I.M. Johnston bristly stickseed Heliotropium curassavicum L. salt heliotrope Heliotropium curassavicum var. obovatum DC. seaside heliotrope Lappula occidentalis (S. Wats.) Greene flatspine stickseed Lappula occidentalis var. occidentalis (S. Wats.) Greene desert stickseed Lappula squarrosa (Retz.) Dumort. European stickseed Lithospermum californicum Gray California gromwell Lithospermum ruderale Dougl. ex Lehm. western gromwell Mertensia bella Piper beautiful bluebells Mertensia ciliata (James ex Torr.) G. Don mountain bluebells Mertensia ciliata var. ciliata (James ex Torr.) G. Don tall fringe bluebells Mertensia ciliata var. stomatechoides (Kellogg) Jepson tall fringe bluebells Mertensia cusickii Piper Toiyabe bluebells Mertensia longiflora Greene small bluebells Mertensia oblongifolia (Nutt.) G. Don oblongleaf bluebells Mertensia paniculata (Ait.) G. Don tall bluebells Mertensia paniculata var. borealis (J.F. Macbr.) L.O. Williams northern bluebells Mertensia paniculata var. paniculata (Ait.) G. Don tall bluebells Mertensia platyphylla Heller broadleaf bluebells Mertensia platyphylla var. subcordata (Greene) L.O. Williams broadleaf bluebells Mertensia umbratilis Greenm. shade bluebells Myosotis arvensis (L.) Hill field forget me not Myosotis discolor Pers. changing forget me not Myosotis laxa Lehm. bay forget me not Myosotis macrosperma Engelm. largeseed forget me not Myosotis scorpioides L. true forget me not Myosotis stricta Link ex Roemer & J.A. Schultes strict forget me not Myosotis verna Nutt. spring forget me not Omphalodes linifolia (L.) Moench whiteflower navelwort Pectocarya penicillata (Hook. & Arn.) A. DC. sleeping combseed Pectocarya pusilla (A. DC.) Gray little combseed Pectocarya setosa Gray moth combseed Plagiobothrys austiniae (Greene) I.M. Johnston Austin's popcornflower Plagiobothrys bracteatus (T.J. Howell) I.M. Johnston bracted popcornflower Plagiobothrys figuratus (Piper) I.M. Johnston ex M.E. Peck fragrant popcornflower Plagiobothrys figuratus ssp. figuratus (Piper) I.M. Johnston ex M.E. Peck fragrant popcornflower Plagiobothrys fulvus (Hook. & Arn.) I.M. Johnston fulvous popcornflower Plagiobothrys fulvus var. campestris (Greene) I.M. Johnston fulvous popcornflower Plagiobothrys glyptocarpus (Piper) I.M. Johnston sculptured popcornflower Plagiobothrys glyptocarpus var. glyptocarpus (Piper) I.M. Johnston sculptured popcornflower Plagiobothrys greenei (Gray) I.M. Johnston Greene's popcornflower Plagiobothrys hirtus (Greene) I.M. Johnston rough popcornflower Plagiobothrys hispidus Gray Cascade popcornflower Plagiobothrys kingii (S. Wats.) Gray Great Basin popcornflower Plagiobothrys kingii var. harknessii (Greene) Jepson Harness' popcornflower Plagiobothrys leptocladus (Greene) I.M. Johnston finebranched popcornflower Plagiobothrys mollis (Gray) I.M. Johnston soft popcornflower Plagiobothrys mollis var. mollis (Gray) I.M. Johnston soft popcornflower Plagiobothrys nothofulvus (Gray) Gray rusty popcornflower Plagiobothrys reticulatus (Piper) I.M. Johnston netted popcornflower Plagiobothrys salsus (Brandeg.) I.M. Johnston salty popcornflower Plagiobothrys scouleri (Hook. & Arn.) I.M. Johnston Scouler's popcornflower Plagiobothrys scouleri var. cusickii (Greene) Higgins Cusick's popcornflower Plagiobothrys scouleri var. hispidulus (Greene) Dorn sleeping popcornflower Plagiobothrys scouleri var. scouleri (Hook. & Arn.) I.M. Johnston Scouler's popcornflower Plagiobothrys shastensis Greene ex Gray Shasta popcornflower Plagiobothrys stipitatus (Greene) I.M. Johnston slender popcornflower Plagiobothrys stipitatus var. micranthus (Piper) I.M. Johnston stalked popcornflower Plagiobothrys stipitatus var. stipitatus (Greene) I.M. Johnston slender popcornflower Plagiobothrys tenellus (Nutt. ex Hook.) Gray Pacific popcornflower Pulmonaria ciliata James ex Torr. = Mertensia ciliata var. ciliata Symphytum asperum Lepechin prickly comfrey Symphytum officinale L. common comfrey Tiquilia nuttallii (Hook.) A. Richards. Nuttall's coldenia CABOMBACEAE Brasenia schreberi J.F. Gmel. watershield CACTACEAE Echinocactus simpsonii Engelm. = Pediocactus simpsonii var. simpsonii Escobaria vivipara (Nutt.) Buxbaum spinystar Escobaria vivipara var. vivipara (Nutt.) Buxbaum spinystar Mammillaria vivipara (Nutt.) Haw. = Escobaria vivipara var. vivipara Opuntia erinacea Engelm. & Bigelow ex Engelm. grizzlybear pricklypear Opuntia erinacea var. columbiana (Griffiths) L. Benson grizzleybear pricklypear Opuntia fragilis (Nutt.) Haw. brittle pricklypear Opuntia fragilis var. fragilis (Nutt.) Haw. pygmy pricklypear Opuntia polyacantha Haw. plains pricklypear Pediocactus Britt. & Rose hedgehog cactus Pediocactus simpsonii (Engelm.) Britt. & Rose Simpson hedgehog cactus Pediocactus simpsonii var. robustior (Coult.) L. Benson snowball cactus Pediocactus simpsonii var. simpsonii (Engelm.) Britt. & Rose Simpson hedgehog cactus CALLITRICHACEAE Callitriche fassettii Schotsman Fassett's waterstarwort Callitriche hermaphroditica L. northern waterstarwort Callitriche heterophylla Pursh larger waterstarwort Callitriche heterophylla ssp. bolanderi (Hegelm.) Calder & Taylor Bolander's waterstarwort Callitriche heterophylla ssp. heterophylla Pursh twoheaded waterstarwort Callitriche marginata Torr. winged waterstarwort Callitriche palustris L. vernal waterstarwort Callitriche stagnalis Scop. pond waterstarwort Callitriche trochlearis Fassett effluent waterstarwort CAMPANULACEAE Asyneuma prenanthoides (Dur.) McVaugh California harebell Campanula medium L. Canterbury bells Campanula rapunculoides L. rampion bellflower Campanula rotundifolia L. bluebell bellflower Campanula scabrella Engelm. rough bellflower Campanula scouleri Hook. ex A. DC. pale bellflower Downingia bacigalupii Weiler Bach's calicoflower Downingia bicornuta Gray doublehorn calicoflower Downingia bicornuta var. bicornuta Gray doublehorn calicoflower Downingia elegans (Dougl. ex Lindl.) Torr. elegant calicoflower Downingia elegans var. brachypetala (Gandog.) McVaugh elegant calicoflower Downingia elegans var. elegans (Dougl. ex Lindl.) Torr. elegant calicoflower Downingia insignis Greene harlequin calicoflower Downingia laeta (Greene) Greene Great Basin calicoflower Downingia montana Greene Sierran calicoflower Downingia pulchella (Lindl.) Torr. flatface calicoflower Downingia yina Applegate cascade calicoflower Githopsis specularioides Nutt. common bluecup Heterocodon rariflorum Nutt. rareflower heterocodon Howellia aquatilis Gray water howellia Lobelia erinus L. edging lobelia Nemacladus rigidus Curran stoutstem threadplant Porterella carnosula (Hook. & Arn.) Torr. fleshy porterella Triodanis perfoliata (L.) Nieuwl. clasping Venus' lookingglass Triodanis perfoliata var. biflora (Ruiz & Pavon) Bradley clasping Venus' lookingglass Triodanis perfoliata var. perfoliata (L.) Nieuwl. clasping Venus' lookingglass CAPPARACEAE Cleome lutea Hook. yellow spiderflower Cleome lutea var. lutea Hook. yellow spiderflower Cleome platycarpa Torr. golden spiderflower Cleome serrulata Pursh Rocky Mountain beeplant Cleomella hillmanii A. Nels. Hillman's stinkweed Cleomella plocasperma S. Wats. twisted cleomella Polanisia dodecandra (L.) DC. roughseed clammyweed Polanisia dodecandra ssp. trachysperma (Torr. & Gray) Iltis sandyseed clammyweed CAPRIFOLIACEAE Linnaea borealis L. twinflower Linnaea borealis ssp. longiflora (Torr.) Hulten longtube twinflower Lonicera caerulea L. sweetberry honeysuckle Lonicera caerulea var. cauriana (Fern.) Boivin bluefly honeysuckle Lonicera ciliosa (Pursh) Poir. ex DC. orange honeysuckle Lonicera conjugialis Kellogg purpleflower honeysuckle Lonicera etrusca Santi Etruscan honeysuckle Lonicera hispidula (Lindl.) Dougl. ex Torr. & Gray California honeysuckle Lonicera hispidula var. hispidula (Lindl.) Dougl. ex Torr. & Gray pink honeysuckle Lonicera hispidula var. vacillans (Benth.) Gray pink honeysuckle Lonicera interrupta Benth. chaparral honeysuckle Lonicera involucrata Banks ex Spreng. twinberry honeysuckle Lonicera involucrata var. ledebourii (Eschsch.) Zabel Lonicera utahensis S. Wats. Utah honeysuckle Lonicera xylosteum L. dwarf honeysuckle Sambucus cerulea var. cerulea Raf. blue elderberry Sambucus mexicana ssp. cerulea (Raf.) E. Murr. = Sambucus nigra ssp. cerulea Sambucus nigra L. European black elder Sambucus nigra ssp. cerulea (Raf.) R. Bolli Sambucus racemosa L. scarlet elderberry Sambucus racemosa ssp. pubens var. arborescens (Torr. & Gray) Gray Pacific red elder Sambucus racemosa ssp. pubens var. melanocarpa (Gray) McMinn black elderberry Sambucus racemosa var. racemosa L. Symphoricarpos acutus (Gray) Dieck sharpleaf snowberry Symphoricarpos albus (L.) Blake common snowberry Symphoricarpos albus var. albus (L.) Blake common snowberry Symphoricarpos albus var. laevigatus (Fern.) Blake common snowberry Symphoricarpos hesperius G.N. Jones trailing snowberry Symphoricarpos longiflorus Gray desert snowberry Symphoricarpos occidentalis Hook. western snowberry Symphoricarpos oreophilus Gray whortleleaf snowberry Symphoricarpos oreophilus var. utahensis (Rydb.) A. Nels. Utah snowberry Symphoricarpos rotundifolius Gray roundleaf snowberry Viburnum edule (Michx.) Raf. mooseberry viburnum Viburnum ellipticum Hook. common viburnum CARYOPHYLLACEAE Agrostemma githago L. common corncockle Arenaria aculeata S. Wats. prickly sandwort Arenaria capillaris Poir. mountain sandwort Arenaria capillaris ssp. americana Maguire fescue sandwort Arenaria congesta Nutt. ballhead sandwort Arenaria congesta var. cephaloidea (Rydb.) Maguire sharptip sandwort Arenaria congesta var. congesta Nutt. ballhead sandwort Arenaria congesta var. crassula Maguire ballhead sandwort Arenaria congesta var. prolifera Maguire ballhead sandwort Arenaria congesta var. subcongesta (S. Wats.) S. Wats. subcongesta sandwort Arenaria congesta var. suffrutescens (Gray) B.L. Robins. suffrutescent sandwort Arenaria franklinii Dougl. ex Hook. Franklin's sandwort Arenaria franklinii var. franklinii Dougl. ex Hook. Franklin's sandwort Arenaria kingii (S. Wats.) M.E. Jones King's sandwort Arenaria kingii ssp. uintahensis (A. Nels.) Maguire Uinta sandwort Arenaria lateriflora L. = Moehringia lateriflora Arenaria paludicola B.L. Robins. marsh sandwort Arenaria pumicola Coville & Leib. Crater Lake sandwort Arenaria pumicola var. pumicola Coville & Leib. Crater Lake sandwort Arenaria serpyllifolia L. thymeleaf sandwort Cardionema ramosissimum (Weinm.) A. Nels. & J.F. Macbr. sandcarpet Cerastium arvense L. field chickweed Cerastium arvense ssp. maximum (Hollick & Britt.) Ugborogho field chickweed Cerastium brachypodum (Engelm. ex Gray) B.L. Robins. shortstalk chickweed Cerastium fontanum Baumg. common chickweed Cerastium fontanum ssp. vulgare (Hartman) Greuter & Burdet big chickweed Cerastium glomeratum Thuill. sticky chickweed Cerastium nutans Raf. nodding chickweed Cerastium semidecandrum L. fivestamen chickweed Cerastium siculum Guss. dry chickweed Corrigiola litoralis L. strapwort Dianthus armeria L. Deptford pink Dianthus barbatus L. sweetwilliam Gypsophila paniculata L. babysbreath gypsophila Holosteum umbellatum L. jagged chickweed Honckenya peploides (L.) Ehrh. seaside sandplant Honckenya peploides ssp. major (Hook.) Hulten seaside sandplant Loeflingia squarrosa Nutt. spreading pygmyleaf Loeflingia squarrosa ssp. artemisiarum Barneby & Twisselmann spreading pygmyleaf Lychnis coronaria (L.) Desr. rose campion Minuartia austromontana S.J. Wolf & Packer Columbian stitchwort Minuartia californica (Gray) Mattf. California sandwort Minuartia douglasii (Fenzl ex Torr. & Gray) Mattf. Douglas' stitchwort Minuartia howellii (S. Wats.) Mattf. Howell's stitchwort Minuartia michauxii (Fenzl) Farw. Michaux's stitchwort Minuartia michauxii var. michauxii (Fenzl) Farw. Michaux's stitchwort Minuartia nuttallii (Pax) Briq. Nuttall's sandwort Minuartia nuttallii ssp. fragilis (Maguire & A. Holmgren) McNeill brittle sandwort Minuartia nuttallii ssp. gracilis (B.L. Robins.) McNeill brittle sandwort Minuartia nuttallii ssp. gregaria (Heller) McNeill brittle sandwort Minuartia nuttallii ssp. nuttallii (Pax) Briq. Nuttall's sandwort Minuartia obtusiloba (Rydb.) House twinflower sandwort Minuartia pusilla (S. Wats.) Mattf. annual sandwort Minuartia pusilla var. pusilla (S. Wats.) Mattf. annual sandwort Minuartia rossii (R. Br. ex Richards.) Graebn. Ross' sandwort Minuartia rubella (Wahlenb.) Hiern beautiful sandwort Minuartia tenella (Nutt.) Mattf. slender stitchwort Moehringia lateriflora (L.) Fenzl bluntleaf sandwort Moehringia macrophylla (Hook.) Fenzl largeleaf sandwort Moenchia erecta (L.) P.G. Gaertn., B. Mey. & Scherb. upright chickweed Pseudostellaria jamesiana (Torr.) W.A. Weber & R.L. Hartman tuber starwort Sagina apetala Ard. annual pearlwort Sagina decumbens (Ell.) Torr. & Gray beach pearlwort Sagina decumbens ssp. occidentalis (S. Wats.) Crow western pearlwort Sagina japonica (Sw.) Ohwi Japanese pearlwort Sagina maxima Gray stickystem pearlwort Sagina maxima ssp. crassicaulis (S. Wats.) Crow stickystem pearlwort Sagina procumbens L. birdeye pearlwort Sagina saginoides (L.) Karst. arctic pearlwort Sagina subulata (Sw.) K. Presl awlleaf pearlwort Saponaria officinalis L. bouncingbet Scleranthus annuus L. German knotgrass Silene acaulis (L.) Jacq. moss campion Silene acaulis var. exscapa (All.) DC. moss campion Silene antirrhina L. sleepy silene Silene bernardina S. Wats. Palmer's catchfly Silene bernardina ssp. maguirei Bocquet Maguire's catchfly Silene bernardina ssp. maguirei var. rigidula (B.L. Robins.) Tiehm mountain silene Silene californica Dur. Indian pink Silene campanulata S. Wats. Red Mountain catchfly Silene campanulata ssp. glandulosa C.L. Hitchc. & Maguire Red Mountain catchfly Silene campanulata ssp. greenei (S. Wats.) C.L. Hitchc. & Maguire Greene's catchfly Silene conica L. striped corn catchfly Silene conoidea L. weed silene Silene dichotoma Ehrh. dichotoma silene Silene dioica (L.) Clairville red catchfly Silene douglasii Hook. Douglas's campion Silene douglasii var. douglasii Hook. Douglas's campion Silene douglasii var. oraria (M.E. Peck) C.L. Hitchc. & Maguire seabluff catchfly Silene drummondii Hook. Drummond's campion Silene drummondii var. drummondii Hook. Drummond's campion Silene gallica L. common catchfly Silene grayi S. Wats. Maui catchfly Silene hookeri Nutt. Hooker's silene Silene hookeri ssp. hookeri Nutt. Hooker's silene Silene hookeri ssp. pulverulenta (M.E. Peck) C.L. Hitchc. & Maguire Hooker's silene Silene latifolia Poir. bladder campion Silene latifolia ssp. alba (P. Mill.) Greuter & Burdet bladder campion Silene lemmonii S. Wats. Lemmon's catchfly Silene menziesii Hook. Menzies' campion Silene menziesii ssp. menziesii Hook. Menzies' campion Silene menziesii ssp. menziesii var. menziesii Hook. Menzies' campion Silene menziesii ssp. menziesii var. viscosa (Greene) C.L. Hitchc. & Maguire Menzies' campion Silene multinervia S. Wats. manynerve catchfly Silene noctiflora L. nightflowering silene Silene nuda (S. Wats.) C.L. Hitchc. & Maguire barestem silene Silene nuda ssp. insectivora (Henderson) C.L. Hitchc. & Maguire insecteating silene Silene oregana S. Wats. Oregon silene Silene parryi (S. Wats.) C.L. Hitchc. & Maguire Parry's silene Silene pendula L. nodding catchfly Silene scaposa B.L. Robins. stem silene Silene scaposa var. lobata C.L. Hitchc. & Maguire lostriver silene Silene scaposa var. scaposa B.L. Robins. Blue Mountain catchfly Silene scouleri Hook. Scouler's campion Silene scouleri ssp. scouleri Hook. Scouler's campion Silene scouleri ssp. scouleri var. pacifica (Eastw.) C.L. Hitchc. Scouler's campion Silene scouleri ssp. scouleri var. scouleri Hook. Scouler's campion Silene spaldingii S. Wats. Spalding's silene Silene suksdorfii B.L. Robins. Suksdorf's silene Silene vulgaris (Moench) Garcke maidenstears Spergula arvense L. corn spurry Spergula arvense var. arvense L. corn spurry Spergula arvense var. sativum (Boenn.) Mert. & Koch corn spurry Spergularia bocconii (Scheele) Foucaud ex Merino Boccone's sandspurry Spergularia canadensis (Pers.) G. Don Canadian sandspurry Spergularia canadensis var. occidentalis R.P. Rossb. western sandspurry Spergularia diandra (Guss.) Held. & Sart. diandra sandspurry Spergularia macrotheca (Hornem.) Heynh. sticky sandspurry Spergularia maritima (All.) Chiov. media sandspurry Spergularia rubra (L.) J.& K. Presl red sandspurry Spergularia salina J.& K. Presl salt sandspurry Spergularia salina var. salina J.& K. Presl salt sandspurry Spergularia villosa (Pers.) Camb. hairy sandspurry Stellaria alsine Grimm bog chickweed Stellaria borealis Bigelow boreal starwort Stellaria borealis ssp. borealis Bigelow boreal starwort Stellaria borealis ssp. sitchana (Steud.) Piper Sitka starwort Stellaria calycantha (Ledeb.) Bong. northern starwort Stellaria crispa Cham. & Schlecht. curled starwort Stellaria graminea L. grasslike starwort Stellaria humifusa Rottb. saltmarsh starwort Stellaria longifolia Muhl. ex Willd. longleaf starwort Stellaria longipes Goldie longstalk starwort Stellaria longipes ssp. longipes Goldie longstalk starwort Stellaria media (L.) Vill. common chickweed Stellaria nitens Nutt. shiny chickweed Stellaria obtusa Engelm. Rocky Mountain chickweed Stellaria umbellata Turcz. ex Kar. & Kir. umbrella starwort Vaccaria hispanica (P. Mill.) Rauschert cow soapwort Vaccaria vulgaris Host = Vaccaria hispanica CELASTRACEAE Euonymus occidentalis Nutt. ex Torr. western wahoo Euonymus occidentalis var. occidentalis Nutt. ex Torr. western wahoo Paxistima myrsinites (Pursh) Raf. boxleaf myrtle CERATOPHYLLACEAE Ceratophyllum demersum L. coon's tail Ceratophyllum echinatum Gray spineless hornwort CHENOPODIACEAE Allenrolfea occidentalis (S. Wats.) Kuntze iodinebush Atriplex argentea Nutt. silverscale saltbush Atriplex argentea ssp. argentea Nutt. silverscale saltbush Atriplex argentea ssp. argentea var. hillmanii M.E. Jones Hillman's silverscale saltbush Atriplex canescens (Pursh) Nutt. fourwing saltbush Atriplex confertifolia (Torr. & Frem.) S. Wats. shadscale saltbush Atriplex falcata (M.E. Jones) Standl. sickle saltbush Atriplex gmelinii C.A. Mey. ex Bong. Gmelin's saltbush Atriplex hortensis L. garden orache Atriplex patula L. spear saltbush Atriplex patula ssp. patula L. spear saltbush Atriplex prostrata Boucher ex DC. triangle orache Atriplex pusilla (Torr. ex S. Wats.) S. Wats. smooth saltbush Atriplex rosea L. tumbling saltweed Atriplex subspicata (Nutt.) Rydb. saline saltbush Atriplex truncata (Torr. ex S. Wats.) Gray wedgescale saltbush Bassia hyssopifolia (Pallas) Kuntz fivehorn smotherweed Beta vulgaris L. common beet Chenopodium album L. lambsquarters Chenopodium ambrosioides L. Mexican tea Chenopodium ambrosioides var. ambrosioides L. Mexican tea Chenopodium ambrosioides var. anthelminticum (L.) Aellen = Chenopodium ambrosioides var. ambrosioides Chenopodium atrovirens Rydb. pinyon goosefoot Chenopodium berlandieri Moq. pitseed goosefoot Chenopodium botrys L. Jerusalem oak goosefoot Chenopodium capitatum (L.) Ambrosi blite goosefoot Chenopodium carinatum R. Br. Tasmanian goosefoot Chenopodium carnosulum Moq. ridged goosefoot Chenopodium carnosulum var. carnosulum Moq. ridged goosefoot Chenopodium chenopodioides (L.) Aellen Chenopodium desiccatum A. Nels. aridland goosefoot Chenopodium foliosum (Moench) Aschers. leafy goosefoot Chenopodium fremontii S. Wats. Fremont's goosefoot Chenopodium fremontii var. fremontii S. Wats. Fremont's goosefoot Chenopodium glaucum L. oakleaf goosefoot Chenopodium hians Standl. hians goosefoot Chenopodium humile Hook. marshland goosefoot Chenopodium leptophyllum (Moq.) Nutt. ex S. Wats. narrowleaf goosefoot Chenopodium multifidum L. cutleaf goosefoot Chenopodium murale L. nettleleaf goosefoot Chenopodium nevadense Standl. Nevada goosefoot Chenopodium opulifolium Schrad. ex Koch & Ziz seaport goosefoot Chenopodium overi Aellen Over's goosefoot Chenopodium polyspermum L. manyseed goosefoot Chenopodium polyspermum var. acutifolium (Sm.) Gaud. manyseed goosefoot Chenopodium pumilio R. Br. clammy goosefoot Chenopodium rubrum L. red goosefoot Chenopodium salinum Standl. Rocky Mountain goosefoot Chenopodium simplex (Torr.) Raf. mapleleaf goosefoot Chenopodium subglabrum (S. Wats.) A. Nels. smooth goosefoot Chenopodium urbicum L. city goosefoot Corispermum hyssopifolium L. common bugseed Corispermum orientale Lam. oriental bugseed Eurotia lanata (Pursh) Moq. = Krascheninnikovia lanata Grayia spinosa (Hook.) Moq. spiny hopsage Halogeton glomeratus (Bieb.) C.A. Mey. halogeton Kochia americana S. Wats. greenmolly Kochia scoparia (L.) Schrad. common kochia Krascheninnikovia Guldenstaedt winterfat Krascheninnikovia lanata (Pursh) Guldenstaedt winterfat Monolepis nuttalliana (J.A. Schultes) Greene Nuttall's povertyweed Monolepis pusilla Torr. ex S. Wats. small monolepis Monolepis spathulata Gray beaver monolepis Nitrophila occidentalis (Moq.) S. Wats. western miterwort Salicornia maritima Wolff & Jefferies slender grasswort Salicornia rubra A. Nels. red swampfire Salicornia virginica L. Virginia glasswort Salsola kali L. prickly Russian thistle Salsola kali ssp. tragus (L.) Celak. prickly Russian thistle Sarcobatus vermiculatus (Hook.) Torr. greasewood Sarcocornia pacifica (Standl.) A.J. Scott Pacific swampfire Sarcocornia perennis (P. Mill.) A.J. Scott chickenclaws Spinacia oleracea L. spinach Suaeda calceoliformis (Hook.) Moq. Pursh seepweed Suaeda moquinii (Torr.) Greene Mojave seablite CLUSIACEAE Hypericum anagalloides Cham. & Schlecht. trailing St. Johnswort Hypericum calycinum L. Aaron's beard Hypericum formosum ssp. scouleri (Hook.) C.L. Hitchc. = Hypericum scouleri ssp. scouleri Hypericum perforatum L. common St. Johnswort Hypericum scouleri Hook. Scouler's St. Johnswort Hypericum scouleri ssp. nortoniae (M.E. Jones) J. Gillett Norton's St. Johnswort Hypericum scouleri ssp. scouleri Hook. Scouler's St. Johnswort COMPOSITAE Achillea lanulosa Nutt. = Achillea millefolium var. occidentalis Achillea millefolium L. common yarrow Achillea millefolium var. californica (Pollard) Jepson California yarrow Achillea millefolium var. litoralis Ehrend. ex Nobs coast yarrow Achillea millefolium var. millefolium L. common yarrow Achillea millefolium var. occidentalis DC. western yarrow Achillea millefolium var. pacifica (Rydb.) G.N. Jones Pacific yarrow Achyrachaena mollis Schauer blow wives Acroptilon repens (L.) DC. hardheads Adenocaulon bicolor Hook. American trailplant Ageratina occidentalis (Hook.) King & H.E. Robins. western snakeroot Agoseris apargioides (Less.) Greene woolly goat chicory Agoseris apargioides var. maritima (Sheldon) Q. Jones Agoseris aurantiaca (Hook.) Greene orange agoseris Agoseris aurantiaca var. aurantiaca (Hook.) Greene orange agoseris Agoseris elata (Nutt.) Greene tall agoseris Agoseris glauca (Pursh) Raf. pale agoseris Agoseris glauca var. agrestis (Osterhout) Q. Jones ex Cronq. pale agoseris Agoseris glauca var. dasycephala (Torr. & Gray) Jepson pale agoseris Agoseris glauca var. glauca (Pursh) Raf. pale agoseris Agoseris glauca var. laciniata (D.C. Eat.) Smiley false agoseris Agoseris glauca var. monticola (Greene) Q. Jones ex Cronq. pale agoseris Agoseris grandiflora (Nutt.) Greene bigflower agoseris Agoseris heterophylla (Nutt.) Greene annual agoseris Agoseris heterophylla var. crenulata Jepson annual agoseris Agoseris heterophylla var. heterophylla (Nutt.) Greene annual agoseris Agoseris heterophylla var. turgida (Hall) Jepson annual agoseris Agoseris retrorsa (Benth.) Greene spearleaf agoseris Ambrosia acanthicarpa Hook. flatspine burr ragweed Ambrosia artemisiifolia L. annual ragweed Ambrosia chamissonis (Less.) Greene silver burr ragweed Ambrosia psilostachya DC. Cuman ragweed Ambrosia trifida L. great ragweed Anaphalis margaritacea (L.) Benth. & Hook. f. western pearlyeverlasting Ancistrocarphus filagineus Gray false neststraw Antennaria anaphaloides Rydb. pearly pussytoes Antennaria arcuata Cronq. box pussytoes Antennaria argentea Benth. silver pussytoes Antennaria aromatica Evert scented pussytoes Antennaria corymbosa E. Nels. flattop pussytoes Antennaria dimorpha (Nutt.) Torr. & Gray low pussytoes Antennaria flagellaris (Gray) Gray whip pussytoes Antennaria geyeri Gray pinewoods pussytoes Antennaria howellii Greene Howell's pussytoes Antennaria howellii ssp. howellii Greene Howell's pussytoes Antennaria lanata (Hook.) Greene woolly pussytoes Antennaria luzuloides Torr. & Gray rush pussytoes Antennaria media Greene Rocky Mountain pussytoes Antennaria microphylla Rydb. littleleaf pussytoes Antennaria racemosa Hook. raceme pussytoes Antennaria rosea Greene rosy pussytoes Antennaria stenophylla (Gray) Gray narrowleaf pussytoes Antennaria suffrutescens Greene evergreen everlasting Antennaria umbrinella Rydb. umber pussytoes Anthemis altissima L. tall chamomile Anthemis arvensis L. corn chamomile Anthemis cotula L. stinking chamomile Arctium lappa L. greater burrdock Arctium minus Bernh. lesser burrdock Arnica X diversifolia Greene (pro sp.) rayless arnica Arnica amplexicaulis Nutt. clasping arnica Arnica cernua T.J. Howell serpentine arnica Arnica chamissonis Less. chamisso arnica Arnica chamissonis ssp. foliosa (Nutt.) Maguire chamisso arnica Arnica chamissonis ssp. foliosa var. andina (Nutt.) Ediger & Barkl. chamisso arnica Arnica chamissonis ssp. foliosa var. incana (Gray) Hulten chamisso arnica Arnica cordifolia Hook. heartleaf arnica Arnica discoidea Benth. rayless arnica Arnica fulgens Pursh foothill arnica Arnica gracilis Rydb. smallhead arnica Arnica latifolia Bong. broadleaf arnica Arnica longifolia D.C. Eat. spearleaf arnica Arnica mollis Hook. hairy arnica Arnica nevadensis Gray Nevada arnica Arnica parryi Gray Parry's arnica Arnica parryi ssp. parryi Gray Parry's arnica Arnica parryi ssp. sonnei (Greene) Maguire Sonne's arnica Arnica rydbergii Greene Rydberg's arnica Arnica sororia Greene twin arnica Arnica spathulata Greene Klamath arnica Arnica viscosa Gray Mt. Shasta arnica Artemisia absinthium L. European wormwood Artemisia annua L. sweet annie Artemisia arbuscula Nutt. low sagebrush Artemisia arbuscula ssp. arbuscula Nutt. gray low sagebrush Artemisia arbuscula ssp. longiloba (Osterhout) L. Shultz alkali sagebrush Artemisia arbuscula ssp. thermopola Beetle hotsprings sagebrush Artemisia biennis Willd. biennial wormwood Artemisia campestris L. field sagewort Artemisia campestris ssp. borealis (Pallas) Hall & Clements northern sagewort Artemisia campestris ssp. borealis var. scouleriana (Hook.) Cronq. Scouler's wormwood Artemisia campestris ssp. borealis var. wormskioldii (Bess. ex Hook.) Cronq. Wormskiold's wormwood Artemisia campestris ssp. pacifica (Nutt.) Hall & Clements Pacific wormwood Artemisia cana Pursh silver sagebrush Artemisia cana ssp. cana Pursh silver sagebrush Artemisia douglasiana Bess. Douglas' sagewort Artemisia dracunculoides Pursh = Artemisia dracunculus ssp. dracunculus Artemisia dracunculus L. Russian tarragon Artemisia dracunculus ssp. dracunculus L. false tarragon Artemisia lindleyana Bess. northwest sagebrush Artemisia ludoviciana Nutt. Louisiana sagewort Artemisia ludoviciana ssp. candicans (Rydb.) Keck gray sagewort Artemisia ludoviciana ssp. estesii Chambers Estes' sagebrush Artemisia ludoviciana ssp. incompta (Nutt.) Keck mountain sagewort Artemisia michauxiana Bess. Michaux's sagebrush Artemisia packardiae J. Grimes & Ertter Packard's wormwood Artemisia papposa Blake & Cronq. fuzzy sagebrush Artemisia pycnocephala (Less.) DC. beach wormwood Artemisia rigida (Nutt.) Gray stiff sagebrush Artemisia rothrockii Gray timberline sagebrush Artemisia spinescens D.C. Eat. bud sagebrush Artemisia suksdorfii Piper coastal wormwood Artemisia tilesii Ledeb. Tilesius' wormwood Artemisia tilesii ssp. unalaschcensis (Bess.) Hulten Alaska sagebrush Artemisia tridentata Nutt. big sagebrush Artemisia tridentata ssp. tridentata Nutt. basin big sagebrush Artemisia tridentata ssp. vaseyana (Rydb.) Beetle mountain big sagebrush Artemisia tripartita Rydb. threetip sagebrush Artemisia tripartita ssp. tripartita Rydb. Idaho threetip sagebrush Artemisia vulgaris L. common wormwood Artemisia vulgaris var. douglasiana (Bess.) St. John = Artemisia douglasiana Aster alpigenus ssp. alpigenus (Torr. & Gray) Gray tundra aster Aster ascendens Lindl. Chile aster Aster borealis (Torr. & Gray) Prov. rush aster Aster bracteolatus Nutt. (pro sp.) bract aster Aster brickellioides var. brickellioides Greene brickellbush aster Aster campestris Nutt. meadow aster Aster campestris var. bloomeri (Gray) Gray Bloomer's aster Aster campestris var. campestris Nutt. western meadow aster Aster canescens Pursh = Machaeranthera canescens ssp. canescens var. canescens Aster chilensis Nees creeping aster Aster conspicuus Lindl. showy aster Aster cusickii Gray Cusick's aster Aster eatonii (Gray) T.J. Howell Eaton's aster Aster ericoides L. heath aster Aster ericoides var. pansus (Blake) Boivin manyflowered aster Aster falcatus Lindl. cluster aster Aster falcatus var. crassulus (Rydb.) Cronq. rough white prairie aster Aster foliaceus Lindl. ex DC. alpine leafybract aster Aster foliaceus var. apricus Gray leafybract aster Aster foliaceus var. canbyi Gray Canby's aster Aster foliaceus var. parryi (D.C. Eat.) Gray Parry's aster Aster hallii Gray Hall's aster Aster hendersonii Fern. Lyall aster Aster integrifolius Nutt. thickstem aster Aster ledophyllus (Gray) Gray Cascade aster Aster ledophyllus var. ledophyllus (Gray) Gray Cascade aster Aster meritus A. Nels. Aster occidentalis (Nutt.) Torr. & Gray western aster Aster occidentalis var. intermedius Gray intermediate aster Aster occidentalis var. occidentalis (Nutt.) Torr. & Gray western aster Aster oregonensis ssp. oregonensis (Nutt.) Cronq. Oregon aster Aster perelegans A. Nels. & J.F. Macbr. elegant aster Aster radulinus Gray roughleaf aster Aster shastensis (Gray) Gray = Machaeranthera canescens ssp. canescens var. shastensis Aster sibiricus L. Siberian aster Aster subspicatus Nees Douglas aster Aster subspicatus var. grayi (Suksdorf) Cronq. Gray's aster Aster subspicatus var. subspicatus Nees leafybract aster Baccharis douglasii DC. saltmarsh baccharis Baccharis pilularis DC. coyotebrush Balsamita major Desf. costmary Balsamorhiza X terebinthacea (Hook.) Nutt. (pro sp.) balsamroot Balsamorhiza careyana Gray Carey's balsamroot Balsamorhiza careyana var. careyana Gray Carey's balsamroot Balsamorhiza careyana var. intermedia Cronq. intermediate balsamroot Balsamorhiza deltoidea Nutt. deltoid balsamroot Balsamorhiza hookeri (Hook.) Nutt. Hooker's balsamroot Balsamorhiza hookeri var. hirsuta (Nutt.) A. Nels. hairy balsamroot Balsamorhiza incana Nutt. hoary balsamroot Balsamorhiza macrolepis Sharp California balsamroot Balsamorhiza macrolepis var. platylepis (Sharp) Ferris California balsamroot Balsamorhiza sagittata (Pursh) Nutt. arrowleaf balsamroot Balsamorhiza sericea W.A. Weber silky balsamroot Balsamorhiza serrata A. Nels. & J.F. Macbr. serrate balsamroot Bellis perennis L. lawndaisy Berkheya heterophylla O. Hoffmann prickly gousblom Bidens acuta (Wieg.) Britt. = Bidens tripartita Bidens beckii Torr. ex Spreng. = Megalodonta beckii var. beckii Bidens cernua L. nodding beggartick Bidens frondosa L. devil's beggartick Bidens tripartita L. threelobe beggarticks Bidens vulgata Greene big devils beggartick Blepharipappus scaber Hook. rough eyelashweed Blepharipappus scaber ssp. laevis (Gray) Keck rough eyelashweed Blepharipappus scaber ssp. scaber Hook. rough eyelashweed Boltonia asteroides (L.) L'Her. white doll's daisy Boltonia asteroides var. recognita (Fern. & Grisc.) Cronq. white doll's daisy Brachyactis frondosa (Nutt.) Gray leafy rayless aster Brickellia californica (Torr. & Gray) Gray California brickellbush Brickellia grandiflora (Hook.) Nutt. tasselflower brickellbush Brickellia greenei Gray Greene brickellbush Brickellia microphylla (Nutt.) Gray littleleaf brickellbush Brickellia microphylla var. microphylla (Nutt.) Gray littleleaf brickellbush Brickellia oblongifolia Nutt. Mojave brickellbush Brickellia oblongifolia var. linifolia (D.C. Eat.) B.L. Robins. narrowleaf brickellbush Brickellia oblongifolia var. oblongifolia Nutt. narrowleaf brickellbush Cacalia nardosmia Gray = Cacaliopsis nardosmia Cacaliopsis nardosmia (Gray) Gray silvercrown Calycadenia fremontii Gray Fremont's western rosinweed Calycadenia truncata DC. Oregon western rosinweed Calycadenia truncata ssp. scabrella (E. Drew) Keck Oregon western rosinweed Carduus nutans L. nodding plumeless thistle Carduus pycnocephalus L. Italian plumeless thistle Carduus tenuiflorus W. Curtis winged plumeless thistle Centaurea biebersteinii DC. spotted knapweed Centaurea calcitrapa L. red star thistle Centaurea cyanus L. garden cornflower Centaurea diffusa Lam. white knapweed Centaurea jacea L. brownray knapweed Centaurea melitensis L. Maltese star thistle Centaurea nigra L. lesser knapweed Centaurea nigrescens Willd. Tyrol knapweed Centaurea repens L. = Acroptilon repens Centaurea solstitialis L. yellow star thistle Chaenactis cusickii Gray Cusick's pincushion Chaenactis douglasii (Hook.) Hook. & Arn. Douglas' dustymaiden Chaenactis douglasii var. alpina Gray alpine dustymaiden Chaenactis douglasii var. douglasii (Hook.) Hook. & Arn. Douglas' dustymaiden Chaenactis macrantha D.C. Eat. bighead dustymaiden Chaenactis nevii Gray John Day's pincushion Chaenactis stevioides Hook. & Arn. Steve's dustymaiden Chaenactis xantiana Gray fleshcolor pincushion Chaetadelpha wheeleri Gray ex S. Wats. Wheeler's skeletonweed Chamaemelum mixtum (L.) All. weedy dogfennel Chrysanthemum balsamita (L.) Baill., non L. = Balsamita major Chrysanthemum leucanthemum L. = Leucanthemum vulgare Chrysanthemum parthenium (L.) Bernh. = Tanacetum parthenium Chrysothamnus frigidus Greene = Ericameria nauseosa ssp. nauseosa var. nauseosa Chrysothamnus humilis Greene Truckee rabbitbrush Chrysothamnus nauseosus = Ericameria nauseosa Chrysothamnus viscidiflorus (Hook.) Nutt. green rabbitbrush Chrysothamnus viscidiflorus ssp. viscidiflorus (Hook.) Nutt. green rabbitbrush Chrysothamnus viscidiflorus ssp. viscidiflorus var. stenophyllus (Gray) Hall green rabbitbrush Chrysothamnus viscidiflorus ssp. viscidiflorus var. viscidiflorus (Hook.) Nutt. green rabbitbrush Cichorium intybus L. chicory Cirsium arvense (L.) Scop. Canadian thistle Cirsium brevifolium Nutt. Palouse thistle Cirsium brevistylum Cronq. clustered thistle Cirsium canovirens (Rydb.) Petrak graygreen thistle Cirsium ciliolatum (Henderson) J.T. Howell Ashland thistle Cirsium cymosum (Greene) J.T. Howell peregrine thistle Cirsium douglasii DC. Douglas' thistle Cirsium douglasii var. breweri (Petrak) Keil & C. Turner Cirsium edule Nutt. edible thistle Cirsium foliosum (Hook.) DC. elk thistle Cirsium hallii (Gray) M.E. Jones Hall's thistle Cirsium neomexicanum Gray New Mexico thistle Cirsium neomexicanum var. utahense (Petrak) Welsh Utah thistle Cirsium pastoris J.T. Howell snowy thistle Cirsium peckii Henderson Steen Mountain thistle Cirsium remotifolium (Hook.) DC. fewleaf thistle Cirsium remotifolium ssp. oregonense Petrak Cirsium remotifolium ssp. pseudocarlinoides Petrak Cirsium remotifolium ssp. remotifolium (Hook.) DC. Cirsium remotifolium var. remotifolium (Hook.) DC. fewleaf thistle Cirsium scariosum Nutt. meadow thistle Cirsium scariosum var. scariosum Nutt. meadow thistle Cirsium subniveum Rydb. Jackson Hole thistle Cirsium undulatum (Nutt.) Spreng. wavyleaf thistle Cirsium undulatum var. undulatum (Nutt.) Spreng. wavyleaf thistle Cirsium vulgare (Savi) Ten. bull thistle Cnicus benedictus L. blessed thistle Columbiadoria hallii (Gray) Nesom Hall's columbiadoria Conyza bonariensis (L.) Cronq. asthmaweed Conyza bonariensis var. leiotheca (Blake) Cuatrec. asthmaweed Conyza canadensis (L.) Cronq. Canadian horseweed Conyza canadensis var. glabrata (Gray) Cronq. Canadian horseweed Coreopsis tinctoria Nutt. golden tickseed Coreopsis tinctoria var. atkinsoniana (Dougl. ex Lindl.) H.M. Parker Atkinson's tickseed Coreopsis tinctoria var. tinctoria Nutt. golden tickseed Cotula australis (Sieber) Hook. f. Australian waterbuttons Cotula coronopifolia L. common brassbuttons Crepis acuminata Nutt. longleaf hawksbeard Crepis acuminata ssp. acuminata Nutt. longleaf hawksbeard Crepis atribarba Heller slender hawksbeard Crepis atribarba ssp. atribarba Heller slender hawksbeard Crepis atribarba ssp. originalis (Babcock & Stebbins) Babcock & Stebbins slender hawksbeard Crepis bakeri Greene Baker's hawksbeard Crepis bakeri ssp. bakeri Greene Baker's hawksbeard Crepis bakeri ssp. cusickii (Eastw.) Babcock & Stebbins Cusick's hawksbeard Crepis capillaris Wallr. smooth hawksbeard Crepis intermedia Gray limestone hawksbeard Crepis modocensis Greene Siskiyou hawksbeard Crepis modocensis ssp. modocensis Greene Modoc hawksbeard Crepis modocensis ssp. subacaulis (Kellogg) Babcock & Stebbins Siskiyou hawksbeard Crepis monticola Coville mountain hawksbeard Crepis nana Richards. dwarf alpine hawksbeard Crepis nana ssp. nana Richards. dwarf alpine hawksbeard Crepis nana ssp. ramosa Babcock dwarf alpine hawksbeard Crepis occidentalis Nutt. largeflower hawksbeard Crepis occidentalis ssp. conjuncta (Jepson) Babcock & Stebbins largeflower hawksbeard Crepis occidentalis ssp. costata (Gray) Babcock & Stebbins largeflower hawksbeard Crepis occidentalis ssp. occidentalis Nutt. largeflower hawksbeard Crepis occidentalis ssp. pumila (Rydb.) Babcock & Stebbins largeflower hawksbeard Crepis pleurocarpa Gray nakedstem hawksbeard Crepis pulchra L. smallflower hawksbeard Crepis riparia A. Nels. = Crepis runcinata ssp. hispidulosa Crepis runcinata (James) Torr. & Gray fiddleleaf hawksbeard Crepis runcinata ssp. hispidulosa (T.J. Howell ex Rydb.) Babcock & Stebbins fiddleleaf hawksbeard Crepis runcinata ssp. imbricata Babcock & Stebbins fiddleleaf hawksbeard Crepis runcinata ssp. runcinata (James) Torr. & Gray fiddleleaf hawksbeard Crepis setosa Haller f. bristly hawksbeard Crocidium multicaule Hook. common springgold Dimeresia howellii Gray doublet Dugaldia hoopesii (Gray) Rydb. = Hymenoxys hoopesii Eatonella nivea (D.C. Eat.) Gray white false tickhead Erechtites glomerata (Desf. ex Poir.) DC. cutleaf burnweed Erechtites hieraciifolia (L.) Raf. ex DC. American burnweed Erechtites hieraciifolia var. hieraciifolia (L.) Raf. ex DC. American burnweed Erechtites minima (Poir.) DC. coastal burnweed Ericameria arborescens (Gray) Greene goldenfleece Ericameria bloomeri (Gray) J.F. Macbr. rabbitbush heathgoldenrod Ericameria discoidea (Nutt.) Nesom whitestem heathgoldenrod Ericameria discoidea var. discoidea (Nutt.) Nesom whitestem heathgoldenrod Ericameria greenei (Gray) Nesom Greene's heathgoldenrod Ericameria humilis (Greene) L.C. Anders. = Chrysothamnus humilis Ericameria nauseosa (Pallas ex Pursh) Nesom & Baird Ericameria nauseosa ssp. consimilis (Greene) Nesom & Baird Ericameria nauseosa ssp. consimilis var. oreophila Ericameria nauseosa ssp. nauseosa (Pallas ex Pursh) Nesom & Baird Ericameria nauseosa ssp. nauseosa var. nana Ericameria nauseosa ssp. nauseosa var. nauseosa Ericameria nauseosa ssp. nauseosa var. speciosa Ericameria resinosa Nutt. Columbian heathgoldenrod Ericameria suffruticosa (Nutt.) Nesom singlehead heathgoldenrod Ericameria viscidiflora (Hook.) L.C. Anders. = Chrysothamnus viscidiflorus ssp. viscidiflorus var. viscidiflorus Erigeron acris L. Erigeron acris ssp. acris L. Erigeron acris ssp. acris var. debilis Erigeron acris ssp. politus (Fries) Schinz & R. Keller Erigeron aliceae T.J. Howell Alice Eastwood's fleabane Erigeron annuus (L.) Pers. eastern daisy fleabane Erigeron aphanactis (Gray) Greene rayless shaggy fleabane Erigeron aphanactis var. aphanactis (Gray) Greene rayless shaggy fleabane Erigeron austiniae Greene dwarf yellow fleabane Erigeron bloomeri Gray scabland fleabane Erigeron bloomeri var. bloomeri Gray scabland fleabane Erigeron bloomeri var. nudatus (Gray) Cronq. scabland fleabane Erigeron canadensis = Conyza canadensis Erigeron cascadensis Heller Cascade fleabane Erigeron cervinus Greene Siskiyou fleabane Erigeron chrysopsidis Gray dwarf yellow fleabane Erigeron chrysopsidis ssp. chrysopsidis Gray dwarf yellow fleabane Erigeron compositus Pursh cutleaf daisy Erigeron compositus var. compositus Pursh dwarf mountain fleabane Erigeron corymbosus Nutt. longleaf fleabane Erigeron coulteri Porter large mountain fleabane Erigeron decumbens Nutt. Willamette fleabane Erigeron decumbens var. decumbens Nutt. Willamette fleabane Erigeron disparipilus Cronq. white cushion fleabane Erigeron divergens Torr. & Gray spreading fleabane Erigeron eatonii Gray Eaton's fleabane Erigeron eatonii var. lavandulus Strother & Ferlatte Eaton's fleabane Erigeron eatonii var. plantagineus (Greene) Cronq. Eaton's fleabane Erigeron eatonii var. villosus (Cronq.) Cronq. Eaton's fleabane Erigeron elegantulus Greene blue dwarf fleabane Erigeron engelmannii A. Nels. Engelmann's fleabane Erigeron engelmannii var. davisii (Cronq.) Cronq. Davis' fleabane Erigeron filifolius (Hook.) Nutt. threadleaf fleabane Erigeron filifolius var. filifolius (Hook.) Nutt. threadleaf fleabane Erigeron filifolius var. robustior M.E. Peck threadleaf fleabane Erigeron foliosus Nutt. leafy fleabane Erigeron foliosus var. confinis (T.J. Howell) Jepson leafy fleabane Erigeron foliosus var. foliosus Nutt. leafy fleabane Erigeron foliosus var. hartwegii (Greene) Jepson Hartweg's fleabane Erigeron glaucus Ker-Gawl. seaside fleabane Erigeron howellii Gray Howell's fleabane Erigeron inornatus (Gray) Gray California rayless fleabane Erigeron inornatus var. inornatus (Gray) Gray California rayless fleabane Erigeron linearis (Hook.) Piper desert yellow fleabane Erigeron lonchophyllus Hook. Erigeron oreganus Gray gorge fleabane Erigeron peregrinus (Banks ex Pursh) Greene subalpine fleabane Erigeron peregrinus ssp. callianthemus (Greene) Cronq. subalpine fleabane Erigeron peregrinus ssp. callianthemus var. angustifolius (Gray) Cronq. subalpine fleabane Erigeron peregrinus ssp. callianthemus var. callianthemus (Greene) Cronq. subalpine fleabane Erigeron peregrinus ssp. callianthemus var. scaposus (Torr. & Gray) Cronq. subalpine fleabane Erigeron peregrinus ssp. peregrinus (Banks ex Pursh) Greene subalpine fleabane Erigeron peregrinus ssp. peregrinus var. peregrinus (Banks ex Pursh) Greene subalpine fleabane Erigeron petrophilus Greene cliff fleabane Erigeron philadelphicus L. Philadelphia fleabane Erigeron poliospermus Gray purple cushion fleabane Erigeron poliospermus var. poliospermus Gray purple cushion fleabane Erigeron pumilus Nutt. shaggy fleabane Erigeron pumilus ssp. intermedius Cronq. shaggy fleabane Erigeron pumilus ssp. intermedius var. gracilior Cronq. shaggy fleabane Erigeron pumilus ssp. intermedius var. intermedius (Cronq.) Cronq. shaggy fleabane Erigeron simplex Greene onestem fleabane Erigeron speciosus (Lindl.) DC. aspen fleabane Erigeron speciosus var. macranthus (Nutt.) Cronq. aspen fleabane Erigeron speciosus var. speciosus (Lindl.) DC. aspen fleabane Erigeron strigosus Muhl. ex Willd. prairie fleabane Erigeron tener (Gray) Gray slender fleabane Erigeron vagus Payson rambling fleabane Eriophyllum lanatum (Pursh) Forbes woolly eriophyllum Eriophyllum lanatum var. achillaeoides (DC.) Jepson common woollysunflower Eriophyllum lanatum var. integrifolium (Hook.) Smiley common woollysunflower Eriophyllum lanatum var. lanatum (Pursh) Forbes common woollysunflower Eriophyllum lanatum var. lanceolatum (T.J. Howell) Jepson common woollysunflower Eriophyllum stoechadifolium Lag. seaside woollysunflower Eucephalus brickellioides (Greene) Nesom Eucephalus glabratus (Greene) Greene Eucephalus glaucescens (Gray) Greene Eucephalus gormanii Piper Eucephalus ledophyllus (Gray) Greene Eucephalus ledophyllus var. covillei (Greene) Nesom Eucephalus perelegans (A. Nels. & J.F. Macbr.) W.A. Weber = Aster perelegans Eucephalus vialis Bradshaw Euchiton gymnocephalus (DC.) A. Anderb. Euchiton japonicus (Thunb.) A. Anderb. Eupatorium occidentale Hook. = Ageratina occidentalis Euthamia occidentalis Nutt. western goldentop Filago vulgaris Lam. common cottonrose Franseria = Ambrosia Gaillardia aristata Pursh common gaillardia Gamochaeta purpurea (L.) Cabrera spoonleaf purple everlasting Glyptopleura marginata D.C. Eat. carveseed Gnaphalium californicum DC. = Pseudognaphalium californicum Gnaphalium margaritaceum L. = Anaphalis margaritacea Gnaphalium microcephalum Nutt. = Pseudognaphalium canescens ssp. microcephalum Gnaphalium palustre Nutt. western marsh cudweed Gnaphalium uliginosum L. marsh cudweed Gnaphalium viscosum Kunth = Pseudognaphalium viscosum Grindelia columbiana (Piper) Rydb. Columbia River gumweed Grindelia integrifolia DC. Puget Sound gumweed Grindelia integrifolia var. integrifolia DC. Puget Sound gumweed Grindelia nana Nutt. Idaho gumweed Grindelia nana var. integerrima (Rydb.) Steyermark Idaho gumweed Grindelia nana var. nana Nutt. Idaho gumweed Grindelia squarrosa var. integrifolia (Nutt.) Boivin = Grindelia nana var. nana Grindelia stricta DC. Grindelia stricta var. stricta DC. Gutierrezia microcephala (DC.) Gray threadleaf snakeweed Gutierrezia sarothrae (Pursh) Britt. & Rusby broom snakeweed Haplopappus acaulis (Nutt.) Gray = Stenotus acaulis var. acaulis Haplopappus alpigenus Torr. & Gray = Oreostemma alpigenum var. alpigenum Haplopappus arborescens (Gray) Hall = Ericameria arborescens Haplopappus bloomeri Gray = Ericameria bloomeri Haplopappus carthamoides (Hook.) Gray = Pyrrocoma carthamoides var. carthamoides Haplopappus contractus Hall = Pyrrocoma uniflora var. uniflora Haplopappus greenei Gray = Ericameria greenei Haplopappus greenei var. mollis Gray = Ericameria greenei Haplopappus hallii Gray = Columbiadoria hallii Haplopappus hirtus Gray = Pyrrocoma hirta var. hirta Haplopappus lanuginosus Gray = Stenotus lanuginosus var. lanuginosus Haplopappus lyallii Gray = Tonestus lyallii Haplopappus macronema (Nutt.) Gray = Ericameria discoidea var. discoidea Haplopappus racemosus (Nutt.) Torr. = Pyrrocoma racemosa var. racemosa Haplopappus radiatus (Nutt.) Cronq. = Pyrrocoma radiata Haplopappus resinosus (Nutt.) Gray = Ericameria resinosa Haplopappus stenophyllus Gray = Stenotus stenophyllus Haplopappus suffruticosus (Nutt.) Gray = Ericameria suffruticosa Haplopappus uniflorus (Hook.) Torr. & Gray = Pyrrocoma uniflora var. uniflora Haplopappus whitneyi Gray = Hazardia whitneyi var. whitneyi Hazardia whitneyi (Gray) Greene Whitney's bristleweed Hazardia whitneyi var. discoidea (J.T. Howell) W.D. Clark Whitney's bristleweed Hazardia whitneyi var. whitneyi (Gray) Greene Whitney's bristleweed Helenium autumnale L. common sneezeweed Helenium autumnale var. autumnale L. common sneezeweed Helenium autumnale var. grandiflorum (Nutt.) Torr. & Gray fall sneezeweed Helenium autumnale var. montanum (Nutt.) Fern. mountain sneezeweed Helenium bigelovii Gray Bigelow's sneezeweed Helenium bolanderi Gray coastal sneezeweed Helenium hoopesii Gray = Hymenoxys hoopesii Helenium puberulum DC. rosilla Helianthella californica Gray California helianthella Helianthella californica var. nevadensis (Greene) Jepson Nevada helianthella Helianthella quinquenervis (Hook.) Gray fivenerve helianthella Helianthella uniflora (Nutt.) Torr. & Gray oneflower helianthella Helianthella uniflora var. douglasii (Torr. & Gray) W.A. Weber Douglas' helianthella Helianthella uniflora var. uniflora (Nutt.) Torr. & Gray oneflower helianthella Helianthus X laetiflorus Pers. (pro sp.) mountain sunflower Helianthus annuus L. common sunflower Helianthus bolanderi Gray serpentine sunflower Helianthus cusickii Gray Cusick's sunflower Helianthus nuttallii Torr. & Gray Nuttall's sunflower Helianthus nuttallii ssp. nuttallii Torr. & Gray Nuttall's sunflower Helianthus petiolaris Nutt. prairie sunflower Helianthus petiolaris ssp. petiolaris Nutt. prairie sunflower Hemizonia congesta DC. hayfield tarweed Hemizonia congesta ssp. clevelandii (Greene) Babcock & Hall Hemizonia fitchii Gray Fitch's tarweed Hemizonia pungens (Hook. & Arn.) Torr. & Gray common spikeweed Hemizonia pungens ssp. pungens (Hook. & Arn.) Torr. & Gray common tarweed Hemizonia pungens ssp. septentrionalis Keck common tarweed Hesperevax sparsiflora (Gray) Greene fewflower hesperevax Hesperevax sparsiflora var. sparsiflora (Gray) Greene fewflower hesperevax Heterotheca oregona (Nutt.) Shinners Oregon goldenaster Heterotheca oregona var. oregona (Nutt.) Shinners Oregon goldenaster Heterotheca oregona var. rudis (Greene) Semple Oregon goldenaster Heterotheca villosa (Pursh) Shinners hairy goldenaster Heterotheca villosa var. hispida (Hook.) Harms bristly hairy goldaster Heterotheca villosa var. villosa (Pursh) Shinners hairy goldenaster Heterotheca viscida (Gray) Harms cliff falsegoldenaster Hieracium albiflorum Hook. white hawkweed Hieracium aurantiacum L. orange hawkweed Hieracium bolanderi Gray Bolander's hawkweed Hieracium canadense Michx. Canadian hawkweed Hieracium canadense var. canadense Michx. Canadian hawkweed Hieracium cynoglossoides Arv.-Touv. houndstongue hawkweed Hieracium gracile Hook. slender hawkweed Hieracium gracile var. gracile Hook. slender hawkweed Hieracium greenei Gray Greene's hawkweed Hieracium horridum Fries prickly hawkweed Hieracium longiberbe T.J. Howell longbeard hawkweed Hieracium pilosella L. mouseear hawkweed Hieracium scouleri Hook. woollyweed Hieracium scouleri var. nudicaule (Gray) Cronq. woollyweed Hieracium scouleri var. scouleri Hook. Scouler's woollyweed Hieracium umbellatum L. narrowleaf hawkweed Hulsea algida Gray pain hulsea Hulsea nana Gray dwarf alpinegold Hymenopappus filifolius Hook. fineleaf hymenopappus Hymenopappus filifolius var. filifolius Hook. fineleaf hymenopappus Hymenoxys cooperi (Gray) Cockerell Cooper's hymenoxys Hymenoxys cooperi var. canescens (D.C. Eat.) Parker Cooper's hymenoxys Hymenoxys hoopesii (Gray) Bierner orange sneezeweed Hypochaeris glabra L. smooth catsear Hypochaeris radicata L. hairy catsear Inula helenium L. elecampane inula Ionactis alpina (Nutt.) Greene alpine ionactis Iva axillaris Pursh povertyweed Iva xanthifolia Nutt. giant sumpweed Jaumea carnosa (Less.) Gray marsh jaumea Lactuca biennis (Moench) Fern. tall blue lettuce Lactuca canadensis L. Canada lettuce Lactuca ludoviciana (Nutt.) Riddell biannual lettuce Lactuca pulchella (Pursh) DC. = Lactuca tatarica var. pulchella Lactuca saligna L. willowleaf lettuce Lactuca sativa L. garden lettuce Lactuca scariola L. = Lactuca serriola Lactuca serriola L. prickly lettuce Lactuca tatarica (L.) C.A. Mey. blue lettuce Lagophylla ramosissima Nutt. branched lagophylla Lapsana apogonoides Maxim. Japanese nipplewort Lapsana communis L. common nipplewort Lasthenia californica DC. ex Lindl. California goldfields Lasthenia glaberrima DC. smooth goldfields Lasthenia macrantha (Gray) Greene pickleweed Lasthenia macrantha ssp. macrantha (Gray) Greene perennial goldfields Lasthenia macrantha ssp. prisca Ornduff perennial goldfields Lasthenia maritima (Gray) Ornduff seaside goldfields Layia glandulosa (Hook.) Hook. & Arn. whitedaisy tidytips Layia glandulosa ssp. glandulosa (Hook.) Hook. & Arn. whitedaisy tidytips Leontodon hirtus L. rough hawkbit Leontodon hispidus L. bristly hawkbit Leontodon hispidus ssp. hispidus L. bristly hawkbit Leontodon taraxacoides (Vill.) Merat lesser hawkbit Lessingia filaginifolia (Hook. & Arn.) M.A. Lane Lessingia filaginifolia var. californica (DC.) M.A. Lane Leucanthemum leucanthemum (L.) Rydb. = Leucanthemum vulgare Leucanthemum maximum (Ramond) DC. Shasta daisy Leucanthemum vulgare Lam. oxeyedaisy Luina hypoleuca Benth. littleleaf silverback Luina serpentina Cronq. creeping silverback Lygodesmia . = Stephanomeria Machaeranthera canescens (Pursh) Gray hoary aster Machaeranthera canescens ssp. canescens (Pursh) Gray hoary aster Machaeranthera canescens ssp. canescens var. canescens (Pursh) Gray cutleaf goldenweed Machaeranthera canescens ssp. canescens var. incana (Lindl.) Gray cutleaf goldenweed Machaeranthera canescens ssp. canescens var. leucanthemifolia (Greene) Welsh whiteflower machaeranthera Machaeranthera canescens ssp. canescens var. shastensis (Gray) B.L. Turner Shasta machaeranthera Madia bolanderi (Gray) Gray Bolander's madia Madia citriodora Greene lemonscented madia Madia elegans D. Don ex Lindl. common madia Madia elegans ssp. densifolia (Greene) Keck showy tarweed Madia elegans ssp. elegans D. Don ex Lindl. common madia Madia elegans ssp. vernalis Keck spring madia Madia exigua (Sm.) Gray small tarweed Madia glomerata Hook. mountain tarweed Madia gracilis (Sm.) Keck & J. Clausen ex Applegate grassy tarweed Madia gracilis ssp. gracilis (Sm.) Keck & J. Clausen ex Applegate grassy tarweed Madia madioides (Nutt.) Greene woodland madia Madia minima (Gray) Keck oppositeleaved tarweed Madia sativa Molina coast tarweed Malacothrix glabrata (Gray ex D.C. Eat.) Gray smooth desertdandelion Malacothrix torreyi Gray Torrey's desertdandelion Matricaria chamomilla L. 1755 & 1763, non 1753 = Matricaria recutita Matricaria discoidea DC. disc mayweed Matricaria matricarioides (Less.) Porter = Matricaria discoidea Matricaria occidentalis Greene valley mayweed Matricaria perforata Merat scentless mayweed Matricaria recutita L. mayweed Matricaria suaveolens (Pursh) Buch., non L. = Matricaria discoidea Matricaria suaveolens L. = Matricaria recutita Matricaria suffruticosa (L.) Druce shrubby mayweed Megalodonta beckii (Torr. ex Spreng.) Greene aquatic beggartick Megalodonta beckii var. beckii (Torr. ex Spreng.) Greene Beck's watermarigold Micropus californicus Fisch. & C.A. Mey. q tips Micropus californicus var. californicus Fisch. & C.A. Mey. slender cottonweed Microseris acuminata Greene Sierran foothill silverpuffs Microseris bigelovii (Gray) Schultz-Bip. coastal silverpuffs Microseris borealis (Bong.) Schultz-Bip. apargidium Microseris howellii Gray Howell's silverpuffs Microseris laciniata (Hook.) Schultz-Bip. cutleaf silverpuffs Microseris laciniata ssp. detlingii Chambers Detling's silverpuffs Microseris laciniata ssp. laciniata (Hook.) Schultz-Bip. cutleaf silverpuffs Microseris laciniata ssp. leptosepala (Nutt.) Chambers cutleaf silverpuffs Microseris laciniata var. siskiyouensis Chambers Microseris nutans (Hook.) Schultz-Bip. nodding microceris Microseris nutans ssp. nutans (Hook.) Schultz-Bip. nodding silverpuffs Mycelis muralis (L.) Dumort. walllettuce Nothocalais alpestris (Gray) Chambers alpine lake prairiedandelion Nothocalais troximoides (Gray) Greene weevil microseris Onopordum acanthium L. Scotch cottonthistle Oreostemma Greene Oreostemma alpigenum (Torr. & Gray) Nesom Oreostemma alpigenum var. alpigenum (Torr. & Gray) Nesom Oreostemma alpigenum var. andersonii (Gray) Nesom Oreostemma alpigenum var. haydenii (Porter) Nesom Petasites frigidus (L.) Fries Arctic sweet coltsfoot Petasites frigidus var. palmatus (Ait.) Cronq. Arctic sweet coltsfoot Petasites palmatus (Ait.) Gray = Petasites frigidus var. palmatus Prenanthes alata (Hook.) D. Dietr. western rattlesnakeroot Pseudognaphalium californicum (DC.) A. Anderb. Pseudognaphalium canescens (DC.) W.A. Weber Pseudognaphalium canescens ssp. microcephalum (Nutt.) Kartesz, comb. nov. ined. Pseudognaphalium luteoalbum (L.) Hilliard & Burtt Pseudognaphalium stramineum (Kunth) W.A. Weber Pseudognaphalium viscosum (Kunth) W.A. Weber Psilocarphus brevissimus Nutt. short woollyheads Psilocarphus brevissimus var. brevissimus Nutt. short woollyheads Psilocarphus elatior (Gray) Gray meadow woollyheads Psilocarphus oregonus Nutt. Oregon woollyheads Psilocarphus tenellus Nutt. slender woollyheads Psilocarphus tenellus var. tenellus Nutt. slender woollyheads Pyrrocoma carthamoides Hook. largeflower goldenweed Pyrrocoma carthamoides var. carthamoides Hook. loved goldenweed Pyrrocoma carthamoides var. cusickii (Gray) Kartesz & Gandhi narrowhead goldenweed Pyrrocoma hirta (Gray) Greene tacky goldenweed Pyrrocoma hirta var. hirta (Gray) Greene hairy goldenweed Pyrrocoma hirta var. sonchifolia (Greene) Kartesz & Gandhi tacky goldenweed Pyrrocoma lanceolata (Hook.) Greene lanceleaf goldenweed Pyrrocoma linearis (Keck) Kartesz & Gandhi thinleaf goldenhead Pyrrocoma racemosa (Nutt.) Torr. & Gray clustered goldenweed Pyrrocoma racemosa var. paniculata (Nutt.) Kartesz & Gandhi clustered goldenweed Pyrrocoma racemosa var. racemosa (Nutt.) Torr. & Gray clustered goldenweed Pyrrocoma radiata Nutt. ray goldenweed Pyrrocoma uniflora (Hook.) Greene plantain goldenweed Pyrrocoma uniflora var. uniflora (Hook.) Greene plantain goldenweed Rafinesquia californica Nutt. California plumseed Raillardella argentea (Gray) Gray silky raillardella Raillardella scaposa (Gray) Gray stem raillardella Rainiera stricta (Greene) Greene false silverback Rigiopappus leptocladus Gray wireweed Rudbeckia californica Gray California coneflower Rudbeckia glaucescens Eastw. Rudbeckia montana Gray Rudbeckia occidentalis Nutt. western coneflower Rudbeckia occidentalis var. occidentalis Nutt. western coneflower Saussurea americana D.C. Eat. American saussurea Senecio bicolor (Willd.) Todaro silver ragwort Senecio bicolor ssp. cineraria (DC.) Chater silver ragwort Senecio bolanderi Gray Bolander's ragwort Senecio bolanderi var. bolanderi Gray Bolander's ragwort Senecio bolanderi var. harfordii (Greenm.) T.M. Barkl. Harford's ragwort Senecio canus Hook. woolly groundsel Senecio crassulus Gray thickleaf groundsel Senecio cymbalarioides Buek cleftleaf groundsel Senecio dimorphophyllus Greene splitleaf groundsel Senecio ertterae T.M. Barkl. Ertter's ragwort Senecio eurycephalus Torr. & Gray ex Gray widehead groundsel Senecio eurycephalus var. eurycephalus Torr. & Gray ex Gray Siskiyou ragwort Senecio flettii Wieg. Flett's ragwort Senecio fremontii Torr. & Gray Fremont's groundsel Senecio fremontii var. fremontii Torr. & Gray Fremont's groundsel Senecio hesperius Greene western ragwort Senecio hydrophiloides Rydb. tall groundwel Senecio hydrophilus Nutt. water groundsel Senecio indecorus Greene elegant groundsel Senecio integerrimus Nutt. lambstongue groundsel Senecio integerrimus var. exaltatus (Nutt.) Cronq. Columbia groundsel Senecio integerrimus var. ochroleucus (Gray) Cronq. paleyellow groundsel Senecio jacobaea L. stinking willie Senecio macounii Greene Siskiyou Mountain ragwort Senecio multilobatus Torr. & Gray ex Gray lobeleaf groundsel Senecio pauciflorus Pursh alpine groundsel Senecio pauperculus Michx. balsam groundsel Senecio pseudaureus Rydb. falsegold groundsel Senecio pseudaureus var. pseudaureus Rydb. falsegold groundsel Senecio serra Hook. butterweed groundsel Senecio serra var. serra Hook. tall ragwort Senecio sphaerocephalus Greene ballhead groundsel Senecio streptanthifolius Greene cleftleaf groundsel Senecio streptanthifolius var. oodes (Rydb.) J.F. Bain Rocky Mountain groundsel Senecio streptanthifolius var. streptanthifolius Greene cleftleaf groundsel Senecio sylvaticus L. woodland ragwort Senecio triangularis Hook. arrowleaf groundsel Senecio vulgaris L. common groundsel Sericocarpus oregonensis Nutt. Sericocarpus oregonensis var. oregonensis Nutt. Sericocarpus rigidus Lindl. Silybum marianum (L.) Gaertn. blessed milkthistle Solidago californica Nutt. California goldenrod Solidago canadensis L. Canada goldenrod Solidago canadensis var. salebrosa (Piper) M.E. Jones salebrosa goldenrod Solidago gigantea Ait. giant goldenrod Solidago missouriensis Nutt. Missouri goldenrod Solidago missouriensis var. missouriensis Nutt. Missouri goldenrod Solidago missouriensis var. tolmieana (Gray) Cronq. Tolmies' goldenrod Solidago multiradiata Ait. mountain goldenrod Solidago simplex Kunth Mt. Albert goldenrod Solidago simplex ssp. simplex Kunth Mt. Albert goldenrod Solidago simplex ssp. simplex var. nana (Gray) Ringius dwarf goldenrod Solidago simplex ssp. simplex var. simplex Kunth Mt. Albert goldenrod Solidago simplex ssp. simplex var. spathulata Solidago spathulata var. spathulata DC. coastaldune goldenrod Solidago spectabilis (D.C. Eat.) Gray Nevada goldenrod Soliva Ruiz & Pavon soliva Soliva sessilis Ruiz & Pavon field soliva Sonchus arvensis L. field sowthistle Sonchus arvensis ssp. arvensis L. field sowthistle Sonchus arvensis ssp. uliginosus (Bieb.) Nyman moist sowthistle Sonchus asper (L.) Hill spiny sowthistle Sonchus oleraceus L. common sowthistle Sphaeromeria cana (D.C. Eat.) Heller rod tansy Sphaeromeria potentilloides (Gray) Heller powerful tansy Sphaeromeria potentilloides var. potentilloides (Gray) Heller fivefinger chickensage Stenotus acaulis (Nutt.) Nutt. stemless mock goldenweed Stenotus acaulis var. acaulis (Nutt.) Nutt. stemless goldenweed Stenotus lanuginosus (Gray) Greene woolly mock goldenweed Stenotus lanuginosus var. lanuginosus (Gray) Greene cespitose goldenweed Stenotus stenophyllus (Gray) Greene narrowleaf goldenweed Stephanomeria elata Nutt. Santa Barbara wirelettuce Stephanomeria exigua Nutt. small wirelettuce Stephanomeria exigua ssp. coronaria (Greene) Gottlieb whiteplume wirelettuce Stephanomeria lactucina Gray lettuce wirelettuce Stephanomeria malheurensis Gottlieb Malheur wirelettuce Stephanomeria paniculata Nutt. tufted wirelettuce Stephanomeria spinosa (Nutt.) S. Tomb thorn skeletonweed Stephanomeria tenuifolia (Raf.) Hall narrowleaf wirelettuce Stephanomeria tenuifolia var. myrioclada (D.C. Eat.) Cronq. narrowleaf wirelettuce Stephanomeria tenuifolia var. tenuifolia (Raf.) Hall narrowleaf wirelettuce Stephanomeria virgata Benth. rod wirelettuce Stephanomeria virgata ssp. pleurocarpa (Greene) Gottlieb wand wirelettuce Stylocline psilocarphoides M.E. Peck baretwig stylocline Tanacetum balsamita L. = Balsamita major Tanacetum camphoratum Less. camphor tansy Tanacetum parthenium (L.) Schultz-Bip. feverfew Tanacetum vulgare L. common tansy Taraxacum laevigatum (Willd.) DC. rock dandelion Taraxacum officinale G.H. Weber ex Wiggers common dandelion Taraxacum officinale ssp. ceratophorum (Ledeb.) Schinz ex Thellung fleshy dandelion Taraxacum officinale ssp. officinale G.H. Weber ex Wiggers wandering dandelion Tetradymia axillaris A. Nels. longspine horsebrush Tetradymia canescens DC. spineless horsebrush Tetradymia glabrata Torr. & Gray littleleaf horsebrush Tetradymia spinosa Hook. & Arn. shortspine horsebrush Tonestus lyallii (Gray) A. Nels. Lyall's goldenweed Townsendia alpigena Piper Wyoming townsendia Townsendia alpigena var. alpigena Piper mountain townsendia Townsendia florifer (Hook.) Gray showy townsendia Townsendia parryi D.C. Eat. Parry's townsend daisy Townsendia scapigera D.C. Eat. tufted townsend daisy Tragopogon dubius Scop. yellow salsify Tragopogon porrifolius L. salsify Tragopogon pratensis L. meadow salsify Trimorpha acris (L.) Nesom bitter boreal daisy Trimorpha lonchophylla var. lonchophylla (Hook.) Nesom spearleaf fleabane Tripleurospermum maritima (L.) W.D.J. Koch Tripleurospermum maritima ssp. maritima (L.) W.D.J. Koch Uropappus linearifolius Nutt. Wyethia X cusickii Piper (pro sp.) Cusick's mulesears Wyethia amplexicaulis (Nutt.) Nutt. mulesears wyethia Wyethia angustifolia (DC.) Nutt. California compassplant Wyethia helianthoides Nutt. sunflower wyethia Wyethia mollis Gray woolly wyethia Xanthium spinosum L. spiny cockleburr Xanthium strumarium L. rough cockleburr Xanthium strumarium var. canadense (P. Mill.) Torr. & Gray Canada cockleburr Xanthium strumarium var. glabratum (DC.) Cronq. rough cockleburr Xanthium strumarium var. strumarium L. rough cockleburr CONVOLVULACEAE Calystegia atriplicifolia Hallier f. nightblooming false bindweed Calystegia atriplicifolia ssp. atriplicifolia Hallier f. nightblooming false bindweed Calystegia occidentalis (Gray) Brummitt chaparral false bindweed Calystegia occidentalis ssp. occidentalis (Gray) Brummitt chaparral false bindweed Calystegia occidentalis ssp. occidentalis var. occidentalis (Gray) Brummitt chaparral false bindweed Calystegia sepium (L.) R. Br. hedge false bindweed Calystegia sepium ssp. sepium (L.) R. Br. hedge false bindweed Calystegia soldanella (L.) R. Br. ex Roemer & J.A. Schultes seashore false bindweed Convolvulus arvensis L. field bindweed Cressa truxillensis Kunth spreading alkaliweed Cuscuta approximata Bab. alfalfa dodder Cuscuta approximata var. urceolata (Kunze) Yuncker alfalfa dodder Cuscuta californica Hook. & Arn. chaparral dodder Cuscuta californica var. breviflora Engelm. California dodder Cuscuta californica var. californica Hook. & Arn. California dodder Cuscuta ceanothi Behr canyon dodder Cuscuta cephalanthi Engelm. buttonbush dodder Cuscuta epithymum L. clover dodder Cuscuta gronovii Willd. ex J.A. Schultes scaldweed Cuscuta pentagona Engelm. fiveangled dodder Cuscuta pentagona var. pentagona Engelm. fiveangled dodder Cuscuta salina Engelm. saltmarsh dodder Cuscuta salina var. major Yuncker goldenthread Cuscuta suksdorfii Yuncker mountain dodder Cuscuta suksdorfii var. suksdorfii Yuncker Suksdorf's dodder Dichondra occidentalis House western ponysfoot CORNACEAE Cornus alba var. californica (C.A. Mey.) Boivin = Cornus sericea ssp. occidentalis Cornus canadensis L. bunchberry dogwood Cornus glabrata Benth. brown dogwood Cornus nuttallii Audubon ex Torr. & Gray Pacific dogwood Cornus sericea L. redosier dogwood Cornus sericea ssp. occidentalis (Torr. & Gray) Fosberg western dogwood Cornus stolonifera var. occidentalis (Torr. & Gray) C.L. Hitchc. = Cornus sericea ssp. occidentalis CRASSULACEAE Crassula aquatica (L.) Schoenl. water pygmyweed Crassula connata (Ruiz & Pavon) Berger sand pygmyweed Crassula connata var. connata (Ruiz & Pavon) Berger sand pygmyweed Crassula connata var. subsimplex (S. Wats.) Bywater & Wickens sand pygmyweed Crassula saginoides (Maxim.) Bywater & Wickens wrinkleseed pygmyweed Crassula solierii (Gray) Meigen smoothseed pygmyweed Dudleya farinosa (Lindl.) Britt. & Rose powdery liveforever Rhodiola = Sedum Sedum acre L. goldmoss stonecrop Sedum borschii (Clausen) Clausen Leiberg stonecrop Sedum debile S. Wats. orpine stonecrop Sedum divergens S. Wats. Pacific stonecrop Sedum integrifolium (Raf.) A. Nels. ledge stonecrop Sedum integrifolium ssp. integrifolium (Raf.) A. Nels. entireleaf stonecrop Sedum lanceolatum Torr. spearleaf stonecrop Sedum lanceolatum ssp. lanceolatum Torr. spearleaf stonecrop Sedum laxum (Britt.) Berger roseflower stonecrop Sedum laxum ssp. heckneri (M.E. Peck) Clausen Heckner's stonecrop Sedum laxum ssp. laxum (Britt.) Berger roseflower stonecrop Sedum moranii Clausen Rogue River stonecrop Sedum oblanceolatum Clausen oblongleaf stonecrop Sedum obtusatum Gray Sierran stonecrop Sedum obtusatum ssp. retusum (Rose) Clausen Sierran stonecrop Sedum oreganum Nutt. kings crown Sedum oreganum ssp. oreganum Nutt. Oregon stonecrop Sedum oreganum ssp. tenue Clausen Oregon stonecrop Sedum oregonense (S. Wats.) M.E. Peck cream stonecrop Sedum radiatum S. Wats. Coast Range stonecrop Sedum radiatum ssp. ciliosum (T.J. Howell) Clausen Coast Range stonecrop Sedum radiatum ssp. depauperatum Clausen Coast Range stonecrop Sedum radiatum ssp. radiatum S. Wats. Coast Range stonecrop Sedum rosea (L.) Scop. roseroot stonecrop Sedum spathulifolium Hook. broadleaf stonecrop Sedum spathulifolium ssp. pruinosum (Britt.) Clausen & Uhl broadleaf stonecrop Sedum spathulifolium ssp. purdyi (Jepson) Clausen Purdy's stonecrop Sedum spathulifolium ssp. spathulifolium Hook. broadleaf stonecrop Sedum stenopetalum Pursh wormleaf stonecrop Sedum stenopetalum ssp. monanthum (Suksdorf) Clausen wormleaf stonecrop Sedum stenopetalum ssp. stenopetalum Pursh wormleaf stonecrop Tillaea = Crassula CROSSOSOMATACEAE Glossopetalon spinescens Gray spiny greasebush Glossopetalon spinescens var. aridum M.E. Jones spiny greasebush CRUCIFERAE Alliaria petiolata (Bieb.) Cavara & Grande garlic mustard Alyssum alyssoides (L.) L. pale madwort Alyssum desertorum Stapf desert madwort Arabidopsis thaliana (L.) Heynh. mouseear cress Arabis X divaricarpa A. Nels. (pro sp.) spreadingpod rockcress Arabis aculeolata Greene Waldo rockcress Arabis breweri S. Wats. Brewer's rockcress Arabis cobrensis M.E. Jones sagebrush rockcress Arabis crucisetosa Constance & Rollins wetsoil rockcress Arabis cusickii S. Wats. Cusick's rockcress Arabis davidsonii Greene Davidson's rockcress Arabis drummondii Gray Drummond's rockcress Arabis furcata S. Wats. Columbia Gorge rockcress Arabis furcata var. furcata S. Wats. Columbia Gorge rockcress Arabis glabra (L.) Bernh. tower rockcress Arabis glabra var. glabra (L.) Bernh. tower rockcress Arabis hirsuta (L.) Scop. hairy rockcress Arabis hirsuta var. eschscholtziana (Andrz.) Rollins Eschscholtz's hairy rockcress Arabis hirsuta var. glabrata Torr. & Gray mountain rockcress Arabis holboellii Hornem. Holboell's rockcress Arabis holboellii var. pendulocarpa (A. Nels.) Rollins dropseed rockcress Arabis holboellii var. pinetorum (Tidestrom) Rollins Holboell's rockcress Arabis holboellii var. retrofracta (Graham) Rydb. second rockcress Arabis koehleri T.J. Howell Koehler's rockcress Arabis koehleri var. koehleri T.J. Howell Koehler's rockcress Arabis koehleri var. stipitata Rollins Koehler's rockcress Arabis lemmonii S. Wats. Lemmon's rockcress Arabis lemmonii var. lemmonii S. Wats. Lemmon's rockcress Arabis lyallii S. Wats. Lyall's rockcress Arabis macdonaldiana Eastw. MacDonald rockcress Arabis microphylla Nutt. littleleaf rockcress Arabis microphylla var. microphylla Nutt. smallleaf rockcress Arabis modesta Rollins Rouge Canyon rockcress Arabis nuttallii B.L. Robins. Nuttall's rockcress Arabis oregana Rollins Oregon rockcress Arabis platysperma Gray pioneer rockcress Arabis platysperma var. howellii (S. Wats.) Jepson Howell's pioneer rockcress Arabis puberula Nutt. silver rockcress Arabis rectissima Greene bristlyleaf rockcress Arabis sparsiflora Nutt. sicklepod rockcress Arabis sparsiflora var. atrorubens (Suksdorf ex Greene) Rollins elegant rockcress Arabis sparsiflora var. sparsiflora Nutt. sicklepod rockcress Arabis sparsiflora var. subvillosa (S. Wats.) Rollins hairystem rockcress Arabis subpinnatifida S. Wats. Klamath rockcress Arabis suffrutescens S. Wats. woody rockcress Arabis suffrutescens var. horizontalis (Greene) Rollins horizontal woody rockcress Arabis suffrutescens var. suffrutescens S. Wats. woody rockcress Armoracia armoracia (L.) Britt. = Armoracia rusticana Armoracia rusticana P.G. Gaertn., B. Mey. & Scherb. horseradish Athysanus pusillus (Hook.) Greene common sandweed Barbarea orthoceras Ledeb. American yellowrocket Barbarea verna (P. Mill.) Aschers. early yellowrocket Barbarea vulgaris Ait. f. garden yellowrocket Brassica alba Rabenh., non L. = Sinapis alba Brassica arvensis (L.) Rabenh. = Sinapis arvensis Brassica campestris L. = Brassica rapa var. rapa Brassica elongata Ehrh. elongated mustard Brassica juncea (L.) Czern. India mustard Brassica nigra (L.) W.D.J. Koch black mustard Brassica rapa L. rape mustard Brassica rapa var. rapa L. birdrape Cakile edentula (Bigelow) Hook. American searocket Cakile edentula ssp. edentula (Bigelow) Hook. American searocket Cakile maritima Scop. European searocket Camelina microcarpa DC. littlepod falseflax Camelina rumelica Velen. graceful falseflax Camelina sativa (L.) Crantz gold-of-pleasure Capsella bursa-pastoris (L.) Medik. shepherd's purse Cardamine angulata Hook. seaside bittercress Cardamine bellidifolia L. alpine bittercress Cardamine bellidifolia var. pachyphylla Coville & Leib. alpine bittercress Cardamine breweri S. Wats. Brewer's bittercress Cardamine breweri var. breweri S. Wats. Brewer's bittercress Cardamine breweri var. orbicularis (Greene) Detling Sierran bittercress Cardamine californica (Nutt.) Greene milkmaids Cardamine californica var. californica (Nutt.) Greene milkmaids Cardamine californica var. sinuata (Greene) O.E. Schulz milkmaids Cardamine cordifolia Gray heartleaf bittercress Cardamine cordifolia var. lyallii (S. Wats.) A. Nels. & J.F. Macbr. Cardamine nuttallii Greene Nuttall's toothwort Cardamine nuttallii var. gemmata (Greene) Rollins Cardamine nuttallii var. nuttallii Greene palmate toothwort Cardamine occidentalis (S. Wats. ex B.L. Robins.) T.J. Howell big western bittercress Cardamine oligosperma Nutt. Idaho bittercress Cardamine oligosperma var. kamtschatica (Regel) Detling umbel bittercress Cardamine oligosperma var. oligosperma Nutt. little western bittercress Cardamine parviflora L. sand bittercress Cardamine parviflora var. arenicola (Britt.) O.E. Schulz sand bittercress Cardamine pattersonii Henderson Saddle Mountain bittercress Cardamine penduliflora O.E. Schulz Willamette Valley bittercress Cardamine pensylvanica Muhl. ex Willd. Pennsylvania bittercress Cardaria draba (L.) Desv. pepperweed whitetop Cardaria pubescens (C.A. Mey.) Jarmolenko hairy whitetop Caulanthus crassicaulis (Torr.) S. Wats. thickstem wild cabbage Caulanthus crassicaulis var. crassicaulis (Torr.) S. Wats. thickstem wild cabbage Caulanthus glaucus S. Wats. glaucous wild cabbage Caulanthus lasiophyllus var. lasiophyllus (Hook. & Arn.) Payson coast range wild cabbage Caulanthus pilosus S. Wats. hairy wild cabbage Chlorocrambe hastata (S. Wats.) Rydb. spearhead Chorispora tenella (Pallas) DC. crossflower Cochlearia armoracia L. = Armoracia rusticana Cochlearia groenlandica L. Danish scurvygrass Conringia orientalis (L.) Dumort. hare's ear mustard Coronopus didymus (L.) Sm. lesser swinecress Coronopus squamatus (Forsk.) Aschers. greater swinecress Crambe maritima L. sea kale Cusickiella Rollins false whitlowgrass Cusickiella douglasii (Gray) Rollins alkali false whitlowgrass Descurainia californica (Gray) O.E. Schulz Sierran tansymustard Descurainia incana (Bernh. ex Fisch. & C.A. Mey.) Dorn mountain tansymustard Descurainia incana ssp. incisa (Engelm.) Kartesz & Gandhi mountain tansymustard Descurainia incana ssp. viscosa (Rydb.) Kartesz & Gandhi mountain tansymustard Descurainia paradisa (A. Nels. & Kennedy) O.E. Schulz paradise tansymustard Descurainia pinnata (Walt.) Britt. western tansymustard Descurainia pinnata ssp. filipes (Gray) Detling western tansymustard Descurainia pinnata ssp. halictorum (Cockerell) Detling western tansymustard Descurainia pinnata ssp. nelsonii (Rydb.) Detling Nelson's tansymustard Diplotaxis muralis (L.) DC. annual wallrocket Draba albertina Greene slender whitlowgrass Draba aureola S. Wats. Mt. Lassen whitlowgrass Draba brachycarpa Nutt. ex Torr. & Gray shortpod whitlowgrass Draba crassifolia Graham snowbed whitlowgrass Draba crassifolia var. crassifolia Graham snowbed whitlowgrass Draba cuneifolia Nutt. ex Torr. & Gray wedgeleaf whitlowgrass Draba cusickii B.L. Robins. ex O.E. Schulz Cusick's whitlowgrass Draba densifolia Nutt. denseleaf whitlowgrass Draba howellii S. Wats. rosette whitlowgrass Draba incerta Payson Yellowstone whitlowgrass Draba lemmonii S. Wats. granite whitlowgrass Draba lemmonii var. cyclomorpha (Payson) O.E. Schulz granite whitlowgrass Draba lonchocarpa Rydb. lancepod whitlowgrass Draba lonchocarpa var. lonchocarpa Rydb. lancepod whitlowgrass Draba nemorosa L. woodland whitlowgrass Draba oligosperma Hook. fewseed whitlowgrass Draba paysonii J.F. Macbr. Payson's whitlowgrass Draba paysonii var. treleasii (O.E. Schulz) C.L. Hitchc. Trelease's whitlowgrass Draba platycarpa Torr. & Gray broadpod whitlowgrass Draba praealta Greene tall whitlowgrass Draba reptans (Lam.) Fern. Carolina whitlowgrass Draba verna L. spring whitlowgrass Erucastrum gallicum (Willd.) O.E. Schulz common dogmustard Erysimum arenicola S. Wats. cascade wallflower Erysimum arenicola var. torulosum (Piper) C.L. Hitchc. cascade wallflower Erysimum capitatum (Dougl. ex Hook.) Greene sanddune wallflower Erysimum capitatum var. capitatum (Dougl. ex Hook.) Greene sanddune wallflower Erysimum cheiranthoides L. wormseed wallflower Erysimum franciscanum G. Rossb. San Francisco wallflower Erysimum franciscanum var. franciscanum G. Rossb. San Francisco wallflower Erysimum inconspicuum (S. Wats.) MacM. shy wallflower Erysimum inconspicuum var. inconspicuum (S. Wats.) MacM. shy wallflower Erysimum menziesii (Hook.) Wettst. Menzies' wallflower Erysimum menziesii ssp. concinnum (Eastw.) Price Erysimum occidentale (S. Wats.) B.L. Robins. pale wallflower Erysimum repandum L. spreading wallflower Guillenia lasiophylla (Hook. & Arn.) Greene Hesperis matronalis L. dames rocket Heterodraba unilateralis (M.E. Jones) Greene ladiestongue mustard Hirschfeldia incana (L.) Lagreze-Fossat shortpod mustard Hutchinsia procumbens (L.) Desv. prostrate hutchinsia Iberis amara L. annual candytuft Idahoa scapigera (Hook.) A. Nels. & J.F. Macbr. oldstem idahoa Ionopsidium acaule (Desf.) Reichenb. false diamondflower Lepidium bourgeauanum Thellung Bourgeau's pepperweed Lepidium campestre (L.) Ait. f. field pepperweed Lepidium davisii Rollins Davis' pepperweed Lepidium densiflorum Schrad. common pepperweed Lepidium densiflorum var. densiflorum Schrad. common pepperweed Lepidium densiflorum var. elongatum (Rydb.) Thellung tall pepperweed Lepidium densiflorum var. macrocarpum Mulligan bigseed pepperweed Lepidium densiflorum var. pubecarpum (A. Nels.) Thellung babyseed pepperweed Lepidium dictyotum Gray net pepperweed Lepidium dictyotum var. acutidens Gray alkali pepperwort Lepidium dictyotum var. dictyotum Gray alkali pepperweed Lepidium graminifolium L. grassleaf pepperweed Lepidium latifolium L. broadleaved pepperweed Lepidium montanum Nutt. mountain pepperweed Lepidium montanum var. canescens (Thellung) C.L. Hitchc. mountain pepperweed Lepidium montanum var. montanum Nutt. mountain pepperweed Lepidium nitidum Nutt. shining pepperweed Lepidium nitidum var. nitidum Nutt. shining pepperweed Lepidium oblongum Small veiny pepperweed Lepidium perfoliatum L. clasping pepperweed Lepidium ruderale L. roadside pepperweed Lepidium sativum L. gardencress pepperweed Lepidium strictum (S. Wats.) Rattan upright pepperweed Lepidium virginicum L. Virginia pepperweed Lepidium virginicum var. medium (Greene) C.L. Hitchc. medium pepperweed Lepidium virginicum var. pubescens (Greene) Thellung hairy pepperweed Lesquerella douglasii S. Wats. Douglas' bladderpod Lesquerella kingii S. Wats. King bladderpod Lesquerella kingii ssp. diversifolia (Greene) Rollins & Shaw Wallowa bladderpod Lesquerella occidentalis S. Wats. western bladderpod Lesquerella occidentalis ssp. occidentalis S. Wats. western bladderpod Lobularia maritima (L.) Desv. seaside lobularia Lunaria annua L. annual honesty Malcolmia africana (L.) Ait. f. African mustard Malcolmia maritima (L.) Ait. f. Virginia stock Nasturtium armoracia (L.) Fries = Armoracia rusticana Nasturtium nasturtium-aquaticum (L.) Karsten = Rorippa nasturtium-aquaticum Phoenicaulis cheiranthoides Nutt. wallflower phoenicaulis Physaria chambersii Rollins Chambers' twinpod Physaria didymocarpa (Hook.) Gray common twinpod Physaria didymocarpa var. didymocarpa (Hook.) Gray common twinpod Physaria oregona S. Wats. Oregon twinpod Polyctenium fremontii (S. Wats.) Greene Fremont's polyctenium Polyctenium fremontii var. bisulcatum (Greene) Rollins desert combleaf Polyctenium fremontii var. fremontii (S. Wats.) Greene Fremont's combleaf Radicula armoracia (L.) B.L. Robins. = Armoracia rusticana Raphanus raphanistrum L. wild radish Raphanus sativus L. wild radish Rorippa columbiae (Suksdorf ex B.L. Robins.) Suksdorf ex T.J. Howell Columbian yellowcress Rorippa curvipes Greene bluntleaf yellowcress Rorippa curvipes var. curvipes Greene bluntleaf yellowcress Rorippa curvipes var. truncata (Jepson) Rollins Rorippa curvisiliqua (Hook.) Bess. ex Britt. curvepod yellowcress Rorippa curvisiliqua var. curvisiliqua (Hook.) Bess. ex Britt. curvepod yellowcress Rorippa curvisiliqua var. lyrata (Nutt.) M.E. Peck ex C.L. Hitchc. lyrateleaf yellowcress Rorippa curvisiliqua var. nuttallii (S. Wats.) R. Stuckey Nuttall's yellowcress Rorippa curvisiliqua var. occidentalis (Greene) R. Stuckey western yellowcress Rorippa curvisiliqua var. orientalis R. Stuckey oriental yellowcress Rorippa curvisiliqua var. procumbens R. Stuckey curvepod yellowcress Rorippa curvisiliqua var. spatulata R. Stuckey curvepod yellowcress Rorippa indica (L.) Hiern variableleaf yellowcress Rorippa indica var. indica (L.) Hiern variableleaf yellowcress Rorippa nasturtium-aquaticum (L.) Hayek watercress Rorippa palustris (L.) Bess. bog yellowcress Rorippa palustris ssp. fernaldiana (Butters & Abbe) Jonsell Fernald's yellowcress Rorippa palustris ssp. hispida (Desv.) Jonsell hispid yellowcress Rorippa palustris ssp. occidentalis (S. Wats.) Abrams western bog yellowcress Rorippa sinuata (Nutt.) A.S. Hitchc. spreading yellowcress Rorippa sylvestris (L.) Bess. creeping yellowcress Rorippa tenerrima Greene Modoc yellowcress Rorippa teres (Michx.) R. Stuckey southern marsh yellowcress Schoenocrambe linifolia (Nutt.) Greene flaxleaf plainsmustard Sinapis alba L. white mustard Sinapis arvensis L. charlock mustard Sinapis nigra L. = Brassica nigra Sisymbrium altissimum L. tall tumblemustard Sisymbrium loeselii L. small tumbleweed mustard Sisymbrium nasturtium-aquaticum L. = Rorippa nasturtium-aquaticum Sisymbrium officinale (L.) Scop. hedgemustard Smelowskia calycina (Steph. ex Willd.) C.A. Mey. alpine smelowskia Smelowskia ovalis M.E. Jones alpine false candytuft Smelowskia ovalis var. ovalis M.E. Jones alpine false candytuft Stanleya confertiflora (B.L. Robins.) T.J. Howell Oregon princesplume Stanleya pinnata (Pursh) Britt. desert princesplume Stanleya pinnata var. pinnata (Pursh) Britt. pinnate princesplume Stanleya viridiflora Nutt. green princesplume Streptanthella longirostris (S. Wats.) Rydb. longbeak streptanthella Streptanthus cordatus Nutt. heartleaf twistflower Streptanthus glandulosus Hook. bristly jewelflower Streptanthus howellii S. Wats. Howell's jewelflower Streptanthus tortuosus Kellogg shieldplant Streptanthus tortuosus var. orbiculatus (Greene) Hall shieldplant Subularia aquatica L. waterawlwort Subularia aquatica var. americana (Mulligan & Calder) Boivin American waterawlwort Teesdalia nudicaulis (L.) Ait. f. barestem teesdalia Thelypodium brachycarpum Torr. shortpod thelypody Thelypodium eucosmum B.L. Robins. world thelypody Thelypodium flexuosum B.L. Robins. nodding thelypody Thelypodium howellii S. Wats. Howell's thelypody Thelypodium howellii ssp. howellii S. Wats. Howell's thelypody Thelypodium howellii ssp. spectabilis (M.E. Peck) Al-Shehbaz Howell's thelypody Thelypodium integrifolium (Nutt.) Endl. ex Walp. entireleaved thelypody Thelypodium integrifolium ssp. complanatum Al-Shehbaz entireleaved thelypody Thelypodium integrifolium ssp. integrifolium (Nutt.) Endl. ex Walp. entireleaved thelypody Thelypodium laciniatum (Hook.) Endl. ex Walp. cutleaf thelypody Thelypodium milleflorum A. Nels. manyflower thelypody Thelypodium sagittatum (Nutt. ex Torr. & Gray) Endl. ex Walp. arrow thelypody Thlaspi arvense L. field pennycress Thlaspi montanum L. alpine pennycress Thlaspi montanum var. montanum L. alpine pennycress Thlaspi montanum var. siskiyouense P. Holmgren Siskiyou pennycress Thysanocarpus curvipes Hook. sand fringepod Thysanocarpus radians Benth. ribbed fringepod CUCURBITACEAE Echinocystis lobata (Michx.) Torr. & Gray wild cucumber Marah oreganus (Torr. ex S. Wats.) T.J. Howell coastal manroot CUPRESSACEAE Calocedrus decurrens (Torr.) Florin incense cedar Chamaecyparis lawsoniana (A. Murr.) Parl. Port Orford cedar Chamaecyparis nootkatensis (D. Don) Spach Alaska cedar Cupressus bakeri Jepson Modoc cypress Juniperus communis L. common juniper Juniperus communis var. montana Ait. common juniper Juniperus occidentalis Hook. western juniper Juniperus occidentalis var. occidentalis Hook. western juniper Juniperus scopulorum Sarg. Rocky Mountain juniper Libocedrus decurrens Torr. = Calocedrus decurrens Thuja plicata Donn ex D. Don western redcedar DIPSACACEAE Dipsacus fullonum L. Fuller's teasel DROSERACEAE Drosera anglica Huds. English sundew Drosera rotundifolia L. roundleaf sundew DRYOPTERIDACEAE Athyrium alpestre (Hoppe) Milde = Athyrium americanum Athyrium americanum (Butters) Maxon alpine ladyfern Athyrium filix-femina (L.) Roth common ladyfern Athyrium filix-femina ssp. cyclosorum (Rupr.) C. Christens. subarctic ladyfern Cystopteris fragilis (L.) Bernh. brittle bladderfern Dryopteris arguta (Kaulfuss) Watt coastal woodfern Dryopteris campyloptera Clarkson mountain woodfern Dryopteris carthusiana (Vill.) H.P. Fuchs spinulose woodfern Dryopteris expansa (K. Presl) Fraser-Jenkins & Jermy spreading woodfern Dryopteris filix-mas (L.) Schott male fern Gymnocarpium disjunctum (Rupr.) Ching Pacific oakfern Polystichum andersonii Hopkins Anderson's hollyfern Polystichum californicum (D.C. Eat.) Diels California swordfern Polystichum imbricans (D.C. Eat.) D.H. Wagner narrowleaf swordfern Polystichum imbricans ssp. imbricans (D.C. Eat.) D.H. Wagner narrowleaf swordfern Polystichum kruckebergii W.H. Wagner Kruckeberg's hollyfern Polystichum lemmonii Underwood Lemmon's hollyfern Polystichum lonchitis (L.) Roth northern hollyfern Polystichum munitum (Kaulfuss) K. Presl western swordfern Polystichum scopulinum (D.C. Eat.) Maxon mountain hollyfern Woodsia oregana D.C. Eat. Oregon woodsia Woodsia oregana ssp. oregana D.C. Eat. Oregon cliff fern Woodsia scopulina D.C. Eat. Rocky Mountain woodsia ELAEAGNACEAE Elaeagnus angustifolia L. Russian olive Shepherdia argentea (Pursh) Nutt. silver buffaloberry Shepherdia canadensis (L.) Nutt. russet buffaloberry ELATINACEAE Bergia texana (Hook.) Seub. ex Walp. Texas bergia Elatine americana (Pursh) Arn. American waterwort Elatine brachysperma Gray shortseed waterwort Elatine californica Gray California waterwort Elatine triandra Schkuhr threestamen waterwort EMPETRACEAE Empetrum nigrum L. black crowberry Empetrum nigrum ssp. hermaphroditum (Lange ex Hagerup) Bocher black crowberry EPHEDRACEAE Ephedra nevadensis S. Wats. Nevada jointfir Ephedra nevadensis var. nevadensis S. Wats. Nevada jointfir Ephedra viridis Coville mormon tea Ephedra viridis var. viridis Coville mormon tea EQUISETACEAE Equisetum X ferrissii Clute (pro sp.) Ferriss' horsetail Equisetum X mackaii (Newm.) Brichan MacKai's horsetail Equisetum arvense L. field horsetail Equisetum fluviatile L. water horsetail Equisetum hyemale L. scouringrush horsetail Equisetum hyemale var. affine (Engelm.) A.A. Eat. scouringrush horsetail Equisetum palustre L. marsh horsetail Equisetum telmateia Ehrh. giant horsetail Equisetum telmateia var. braunii (Milde) Milde giant horsetail Equisetum variegatum Schleich. ex F. Weber & D.M.H. Mohr variegated scouringrush Equisetum variegatum var. variegatum Schleich. ex F. Weber & D.M.H. Mohr variegated scouringrush ERICACEAE Arbutus menziesii Pursh Pacific madrone Arctostaphylos X cinerea T.J. Howell (pro sp.) Del Norte manzanita Arctostaphylos X parvifolia T.J. Howell (pro sp.) gravel manzanita Arctostaphylos canescens Eastw. hoary manzanita Arctostaphylos canescens ssp. canescens Eastw. hoary manzanita Arctostaphylos columbiana Piper hairy manzanita Arctostaphylos glandulosa Eastw. Eastwood's manzanita Arctostaphylos glandulosa ssp. glandulosa Eastw. black manzanita Arctostaphylos hispidula T.J. Howell Gasquet manzanita Arctostaphylos nevadensis Gray pinemat manzanita Arctostaphylos nevadensis ssp. nevadensis Gray pinemat manzanita Arctostaphylos patula Greene greenleaf manzanita Arctostaphylos pungens ssp. hispidula (T.J. Howell) J.B. Roof = Arctostaphylos hispidula Arctostaphylos pungens ssp. nevadensis (Gray) J.B. Roof = Arctostaphylos nevadensis Arctostaphylos uva-ursi (L.) Spreng. kinnikinnick Arctostaphylos viscida Parry sticky whiteleaf manzanita Arctostaphylos viscida ssp. pulchella (T.J. Howell) P.V. Wells whiteleaf manzanita Arctostaphylos viscida ssp. viscida Parry sticky whiteleaf manzanita Cassiope mertensiana (Bong.) D. Don western moss heather Cassiope mertensiana var. gracilis (Piper) C.L. Hitchc. western moss heather Cassiope mertensiana var. mertensiana (Bong.) D. Don western moss heather Chimaphila menziesii (R. Br. ex D. Don) Spreng. little prince's pine Chimaphila umbellata (L.) W. Bart. pipsissewa Chimaphila umbellata ssp. occidentalis (Rydb.) Hulten pipsissewa Elliottia pyroliflorus (Bong.) S.W. Brim & P.F. Stevens copperbush Gaultheria humifusa (Graham) Rydb. alpine spicywintergreen Gaultheria ovatifolia Gray western teaberry Gaultheria shallon Pursh salal Kalmia microphylla (Hook.) Heller alpine laurel Kalmia polifolia Wangenh. bog laurel Kalmia polifolia ssp. microphylla (Hook.) Calder & Taylor = Kalmia microphylla Kalmiopsis leachiana (Henderson) Rehd. North Umpqua kalmiopsis Ledum X columbianum Piper (pro sp.) coast Labradortea Ledum glandulosum Nutt. Western Labradortea Ledum groenlandicum Oeder bog Labradortea Ledum palustre ssp. groenlandicum (Oeder) Hulten = Ledum groenlandicum Ledum palustre var. latifolium (Jacq.) Michx. = Ledum groenlandicum Leucothoe davisiae Torr. ex Gray Sierra laurel Menziesia ferruginea Sm. rusty menziesia Moneses uniflora (L.) Gray single delight Moneses uniflora ssp. reticulata (Nutt.) Calder & Taylor single delight Orthilia secunda (L.) House sidebells wintergreen Oxycoccus = Vaccinium oxycoccos Phyllodoce X intermedia (Hook.) Rydb. (pro sp.) hybrid mountainheath Phyllodoce empetriformis (Sm.) D. Don pink mountainheath Phyllodoce glanduliflora (Hook.) Coville yellow mountainheath Pyrola asarifolia Michx. liverleaf wintergreen Pyrola asarifolia ssp. asarifolia Michx. liverleaf wintergreen Pyrola asarifolia ssp. bracteata (Hook.) Haber pink wintergreen Pyrola chlorantha Sw. greenflowered wintergreen Pyrola minor L. snowline wintergreen Pyrola pallida Greene = Pyrola picta Pyrola picta Sm. whiteveined wintergreen Pyrola rotundifolia ssp. asarifolia (Michx.) A.& D. Love = Pyrola asarifolia ssp. asarifolia Pyrola secunda L. = Orthilia secunda Pyrola septentrionalis Andres = Pyrola picta Rhododendron albiflorum Hook. Cascade azalea Rhododendron macrophyllum D. Don ex G. Don Pacific rhododendron Rhododendron occidentale (Torr. & Gray ex Torr.) Gray western azalea Rhododendron occidentale var. occidentale (Torr. & Gray ex Torr.) Gray western azalea Vaccinium X nubigenum Fern. (pro sp.) vaccinium Vaccinium cespitosum Michx. dwarf blueberry Vaccinium deliciosum Piper blueleaved huckleberry Vaccinium membranaceum Dougl. ex Torr. blue huckleberry Vaccinium ovalifolium Sm. ovalleaf blueberry Vaccinium ovatum Pursh evergreen huckleberry Vaccinium ovatum var. ovatum Pursh evergreen huckleberry Vaccinium oxycoccos L. small cranberry Vaccinium parvifolium Sm. red huckleberry Vaccinium scoparium Leib. ex Coville grouse whortleberry Vaccinium uliginosum L. bog blueberry EUPHORBIACEAE Chamaesyce glyptosperma (Engelm.) Small ribseed sandmat Chamaesyce maculata (L.) Small spotted sandmat Chamaesyce serpyllifolia (Pers.) Small thymeleaf sandmat Chamaesyce serpyllifolia ssp. serpyllifolia (Pers.) Small thymeleaf sandmat Croton setigerus Hook. turkey mullein Eremocarpus setigerus (Hook.) Benth. = Croton setigerus Euphorbia crenulata Engelm. Chinese caps Euphorbia cyparissias L. cypress spurge Euphorbia esula L. wolf's milk Euphorbia helioscopia L. madwoman's milk Euphorbia lathyris L. moleplant Euphorbia maculata L. = Chamaesyce maculata Euphorbia peplus L. petty spurge Euphorbia serpyllifolia Pers. = Chamaesyce serpyllifolia ssp. serpyllifolia Euphorbia spathulata Lam. warty spurge Euphorbia supina Raf. = Chamaesyce maculata FAGACEAE Chrysolepis Hjelmquist Chrysolepis chrysophylla (Dougl. ex Hook.) Hjelmqvist Chrysolepis chrysophylla var. chrysophylla (Dougl. ex Hook.) Hjelmqvist Chrysolepis sempervirens (Kellogg) Hjelmqvist Lithocarpus densiflorus (Hook. & Arn.) Rehd. tanoak Lithocarpus densiflorus var. densiflorus (Hook. & Arn.) Rehd. tanoak Lithocarpus densiflorus var. echinoides (R. Br.) Abrams tanoak Quercus X moreha Kellogg (pro sp.) oracle oak Quercus chrysolepis Liebm. canyon live oak Quercus chrysolepis var. chrysolepis Liebm. canyon live oak Quercus garryana Dougl. ex Hook. Oregon white oak Quercus garryana var. breweri (Engelm.) Jepson Brewer's oak Quercus garryana var. garryana Dougl. ex Hook. Oregon white oak Quercus kelloggii Newberry California black oak Quercus sadleriana R. Br. Campst. deer oak Quercus vacciniifolia Kellogg huckleberry oak FRANKENIACEAE Frankenia pulverulenta L. European seaheath FUMARIACEAE Corydalis aquae-gelidae M.E. Peck & Wilson coldwater fumewort Corydalis aurea Willd. scrambledeggs Corydalis aurea ssp. occidentalis (Engelm. ex Gray) G.B. Ownbey scrambledeggs Corydalis caseana Gray Sierran fumewort Corydalis caseana ssp. cusickii (S. Wats.) G.B. Ownbey Cusick's fumewort Corydalis lutea (L.) DC. = Pseudofumaria lutea Corydalis scouleri Hook. Scouler's fumewort Dicentra cucullaria (L.) Bernh. dutchman's breeches Dicentra formosa (Haw.) Walp. Pacific bleedinghearts Dicentra formosa ssp. formosa (Haw.) Walp. Pacific bleedinghearts Dicentra formosa ssp. oregona (Eastw.) Munz Oregon bleedinghearts Dicentra pauciflora S. Wats. shorthorn steershead Dicentra uniflora Kellogg longhorn steershead Fumaria officinalis L. drug fumitory Pseudofumaria Medik. pseudofumaria Pseudofumaria lutea (L.) Borkh. rock fumewort GARRYACEAE Garrya buxifolia Gray dwarf silktassel Garrya elliptica Dougl. ex Lindl. wavyleaf silktassel Garrya fremontii Torr. bearbrush GENTIANACEAE Centaurium erythraea Rafn European centaury Centaurium exaltatum (Griseb.) W. Wight ex Piper desert centaury Centaurium muehlenbergii (Griseb.) W. Wight ex Piper Muhlenberg's centaury Cicendia quadrangularis (Lam.) Griseb. Oregon timwort Erythraea centaurium of authors = Centaurium erythraea Frasera albicaulis Dougl. ex Griseb. whitestem elkweed Frasera albicaulis var. albicaulis Dougl. ex Griseb. whitestem elkweed Frasera albicaulis var. columbiana (St. John) C.L. Hitchc. whitestem elkweed Frasera albicaulis var. cusickii (Gray) C.L. Hitchc. Cusick's elkweed Frasera albicaulis var. idahoensis (St. John) C.L. Hitchc. Idaho elkweed Frasera albicaulis var. modocensis (St. John) N. Holmgren Modoc elkweed Frasera albicaulis var. nitida (Benth.) C.L. Hitchc. whitestem elkweed Frasera fastigiata (Pursh) Heller clustered elkweed Frasera speciosa Dougl. ex Griseb. showy frasera Gentiana affinis Griseb. pleated gentian Gentiana amarella L. auct. p.p. = Gentianella amarella ssp. acuta Gentiana calycosa Griseb. Rainier pleated gentian Gentiana holopetala (Gray) Holm = Gentianopsis holopetala Gentiana newberryi Gray alpine gentian Gentiana newberryi var. newberryi Gray Newberry's alpine gentian Gentiana plurisetosa C.T. Mason bristly gentian Gentiana prostrata Haenke pygmy gentian Gentiana rusbyi Greene = Gentiana affinis Gentiana sceptrum Griseb. king's scepter gentian Gentiana setigera Gray Mendocino gentian Gentiana simplex Gray = Gentianopsis simplex Gentiana tenella Rottb. = Gentianella tenella ssp. tenella Gentianella amarella (L.) Boerner autumn dwarfgentian Gentianella amarella ssp. acuta (Michx.) J. Gillett autumn dwarfgentian Gentianella propinqua (Richards.) J. Gillett fourpart dwarfgentian Gentianella tenella (Rottb.) Boerner Dane's dwarfgentian Gentianella tenella ssp. tenella (Rottb.) Boerner Dane's dwarfgentian Gentianopsis holopetala (Gray) Iltis Sierran fringedgentian Gentianopsis simplex (Gray) Iltis oneflower fringedgentian Swertia albicaulis (Dougl. ex Griseb.) Kuntze = Frasera albicaulis var. albicaulis Swertia radiata (Kellogg) Kuntze = Frasera speciosa GERANIACEAE Erodium botrys (Cav.) Bertol. longbeak stork's bill Erodium cicutarium (L.) L'Her. ex Ait. redstem stork's bill Erodium cicutarium ssp. cicutarium (L.) L'Her. ex Ait. redstem stork's bill Erodium cicutarium ssp. jacquinianum (Fisch., C.A. Mey. & Ave-Lall.) Briq. redstem stork's bill Erodium macrophyllum Hook. & Arn. roundleaf stork's bill Erodium macrophyllum var. macrophyllum Hook. & Arn. roundleaf stork's bill Erodium moschatum (L.) L'Her. ex Ait. musky stork's bill Geranium bicknellii Britt. Bicknell's cranesbill Geranium bicknellii var. longipes (S. Wats.) Fern. northern cranesbill Geranium carolinianum L. Carolina geranium Geranium carolinianum var. carolinianum L. Carolina geranium Geranium columbinum L. longstalk cranesbill Geranium dissectum L. cutleaf geranium Geranium lucidum L. shining geranium Geranium molle L. dovefoot geranium Geranium oreganum T.J. Howell Oregon geranium Geranium pusillum L. small geranium Geranium richardsonii Fisch. & Trautv. Richardson's geranium Geranium robertianum L. Robert geranium Geranium viscosissimum Fisch. & C.A. Mey. ex C.A. Mey. sticky geranium Geranium viscosissimum var. nervosum (Rydb.) C.L. Hitchc. sticky purple geranium Geranium viscosissimum var. viscosissimum Fisch. & C.A. Mey. ex C.A. Mey. sticky purple geranium GROSSULARIACEAE Grossularia = Ribes Ribes acerifolium T.J. Howell mapleleaf currant Ribes aureum Pursh golden currant Ribes aureum var. aureum Pursh golden currant Ribes binominatum Heller ground gooseberry Ribes bracteosum Dougl. ex Hook. stink currant Ribes cereum Dougl. wax currant Ribes cereum var. cereum Dougl. wax currant Ribes cereum var. colubrinum C.L. Hitchc. wax currant Ribes cruentum Greene shinyleaf currant Ribes cruentum var. cruentum Greene shinyleaf currant Ribes cruentum var. oregonense Berger Oregon currant Ribes divaricatum Dougl. spreading gooseberry Ribes divaricatum var. divaricatum Dougl. coastal black gooseberry Ribes erythrocarpum Coville & Leib. Crater Lake currant Ribes hudsonianum Richards. northern black currant Ribes hudsonianum var. petiolare (Dougl.) Jancz. western black currant Ribes inerme Rydb. whitestem gooseberry Ribes inerme var. inerme Rydb. whitestem gooseberry Ribes inerme var. klamathense (Coville) Jepson Klamath gooseberry Ribes lacustre (Pers.) Poir. prickly currant Ribes laxiflorum Pursh trailing black currant Ribes lobbii Gray gummy gooseberry Ribes marshallii Greene Hupa gooseberry Ribes menziesii Pursh canyon gooseberry Ribes menziesii var. menziesii Pursh Menzies' gooseberry Ribes montigenum McClatchie gooseberry currant Ribes nevadense Kellogg Sierran currant Ribes niveum Lindl. snow currant Ribes oxyacanthoides L. Canadian gooseberry Ribes oxyacanthoides ssp. cognatum (Greene) Sinnott stream currant Ribes oxyacanthoides ssp. irriguum (Dougl.) Sinnott Idaho gooseberry Ribes rubrum L. cultivated currant Ribes sanguineum Pursh redflower currant Ribes sanguineum var. glutinosum (Benth.) Loud. blood currant Ribes sanguineum var. sanguineum Pursh redflower currant Ribes triste Pallas red currant Ribes velutinum Greene desert gooseberry Ribes velutinum var. gooddingii (M.E. Peck) C.L. Hitchc. Gooding's gooseberry Ribes velutinum var. velutinum Greene desert gooseberry Ribes viscosissimum Pursh sticky currant Ribes viscosissimum var. viscosissimum Pursh sticky currant Ribes watsonianum Koehne spring gooseberry Ribes wolfii Rothrock Wolf's currant HALORAGACEAE Myriophyllum aquaticum (Vell.) Verdc. parrot feather watermilfoil Myriophyllum hippuroides Nutt. ex Torr. & Gray western watermilfoil Myriophyllum quitense Kunth Andean watermilfoil Myriophyllum sibiricum Komarov shortspike watermilfoil Myriophyllum verticillatum L. whorlleaf watermilfoil HIPPURIDACEAE Hippuris vulgaris L. common marestail HYDRANGEACEAE Philadelphus californicus Benth. California mockorange Philadelphus insignis Carr. summer mockorange Philadelphus lewisii Pursh Lewis' mockorange Philadelphus lewisii var. ellipticus Hu Lewis' mockorange Philadelphus lewisii var. gordonianus (Lindl.) Jepson Gordon's mockorange Philadelphus lewisii var. helleri (Rydb.) Hu Heller's mockorange Philadelphus lewisii var. intermedius (A. Nels.) Hu intermediate mockorange Philadelphus lewisii var. lewisii Pursh Lewis' mockorange Philadelphus lewisii var. oblongifolius Hu Lewis' mockorange Philadelphus oreganus Nutt. ex Torr. & Gray Oregon mockorange Philadelphus trichothecus Hu Columbian mockorange Whipplea modesta Torr. common whipplea HYDROCHARITACEAE Egeria densa Planch. Brazilian waterweed Elodea canadensis Michx. Canadian waterweed Elodea nuttallii (Planch.) St. John western waterweed Vallisneria americana Michx. American eelgrass HYDROPHYLLACEAE Eriodictyon californicum (Hook. & Arn.) Torr. California yerbasanta Hesperochiron californicus (Benth.) S. Wats. California hesperochiron Hesperochiron pumilus (Dougl. ex Griseb.) Porter dwarf hesperochiron Hydrophyllum capitatum Dougl. ex Benth. ballhead waterleaf Hydrophyllum capitatum var. alpinum S. Wats. alpine waterleaf Hydrophyllum capitatum var. capitatum Dougl. ex Benth. ballhead waterleaf Hydrophyllum capitatum var. thompsonii (M.E. Peck) Constance Thompson's waterleaf Hydrophyllum fendleri (Gray) Heller Fendler's waterleaf Hydrophyllum fendleri var. albifrons (Heller) J.F. Macbr. white waterleaf Hydrophyllum fendleri var. fendleri (Gray) Heller Fendler's waterleaf Hydrophyllum occidentale (S. Wats.) Gray western waterleaf Hydrophyllum tenuipes Heller Pacific waterleaf Nama aretioides (Hook. & Arn.) Brand ground nama Nama densum J.G. Lemmon leafy nama Nama densum var. densum J.G. Lemmon leafy fiddleleaf Nama densum var. parviflorum (Greenm.) C.L. Hitchc. leafy fiddleleaf Nama lobbii Gray Lobb's fiddleleaf Nemophila breviflora Gray basin nemophila Nemophila heterophylla Fisch. & C.A. Mey. small baby blue eyes Nemophila kirtleyi Henderson Kirtley's nemophila Nemophila menziesii Hook. & Arn. Menzies' baby blue eyes Nemophila menziesii var. atomaria (Fisch. & C.A. Mey.) Chandler Menzies' baby blue eyes Nemophila parviflora Dougl. ex Benth. smallflower nemophila Nemophila parviflora var. austiniae (Eastw.) Brand groovelover Nemophila parviflora var. parviflora Dougl. ex Benth. groovelover Nemophila pedunculata Dougl. ex Benth. littlefoot nemophila Phacelia adenophora J.T. Howell glandular yellow scorpionweed Phacelia argentea A. Nels. & J.F. Macbr. sanddune scorpionweed Phacelia bicolor Torr. ex S. Wats. twocolor phacelia Phacelia bolanderi Gray Bolander's scorpionweed Phacelia californica Cham. California scorpionweed Phacelia capitata Kruckeberg clustered scorpionweed Phacelia corymbosa Jepson serpentine scorpionweed Phacelia glandulifera Piper Phacelia gymnoclada Torr. ex S. Wats. nakedstem scorpionweed Phacelia hastata Dougl. ex Lehm. silverleaf phacelia Phacelia hastata var. compacta (Brand) Cronq. compact phacelia Phacelia hastata var. hastata Dougl. ex Lehm. silverleaf phacelia Phacelia heterophylla Pursh varileaf phacelia Phacelia heterophylla ssp. heterophylla Pursh varileaf phacelia Phacelia heterophylla ssp. virgata (Greene) Heckard varileaf phacelia Phacelia humilis Torr. & Gray low scorpionweed Phacelia humilis var. humilis Torr. & Gray low scorpionweed Phacelia hydrophylloides Torr. ex Gray waterleaf phacelia Phacelia inundata J.T. Howell playa yellow scorpionweed Phacelia ivesiana Torr. Ives' phacelia Phacelia leibergii Brand Leiberg's scorpionweed Phacelia leptosepala Rydb. narrowsepal scorpionweed Phacelia linearis (Pursh) Holz. threadleaf phacelia Phacelia lutea (Hook. & Arn.) J.T. Howell yellow phacelia Phacelia lutea var. calva Cronq. Owyhee phacelia Phacelia lutea var. lutea (Hook. & Arn.) J.T. Howell yellow phacelia Phacelia lutea var. mackenzieorum J. Grimes & Packard MacKenzie's phacelia Phacelia mutabilis Greene changeable scorpionweed Phacelia nemoralis Greene shade scorpionweed Phacelia nemoralis ssp. nemoralis Greene shade scorpionweed Phacelia nemoralis ssp. oregonensis Heckard Oregon scorpionweed Phacelia peckii J.T. Howell Peck's scorpionweed Phacelia procera Gray mountain phacelia Phacelia ramosissima Dougl. ex Lehm. branching phacelia Phacelia ramosissima var. eremophila (Greene) J.F. Macbr. brancing phacelia Phacelia ramosissima var. ramosissima Dougl. ex Lehm. branching phacelia Phacelia ramosissima var. subglabra M.E. Peck branching phacelia Phacelia rattanii Gray Rattan's phacelia Phacelia scopulina (A. Nels.) J.T. Howell Debeque phacelia Phacelia scopulina var. scopulina (A. Nels.) J.T. Howell Debeque phacelia Phacelia sericea (Graham) Gray silky phacelia Phacelia sericea ssp. ciliosa (Rydb.) Gillett purplefringe Phacelia sericea ssp. sericea (Graham) Gray purplefringe Phacelia tetramera J.T. Howell fourpart scorpionweed Phacelia thermalis Greene heated phacelia Phacelia verna T.J. Howell spring scorpionweed Romanzoffia californica Greene California mistmaiden Romanzoffia sitchensis Bong. Sitka mistmaiden Romanzoffia tracyi Jepson Tracy's mistmaiden IRIDACEAE Iris bracteata S. Wats. Siskiyou iris Iris chrysophylla T.J. Howell yellowleaf iris Iris douglasiana Herbert Douglas iris Iris innominata Henderson Del Norte County iris Iris missouriensis Nutt. Rocky Mountain iris Iris pseudacorus L. paleyellow iris Iris purdyi Eastw. Purdy's iris Iris tenax Dougl. ex Lindl. toughleaf iris Iris tenax ssp. tenax Dougl. ex Lindl. toughleaf iris Iris tenuis S. Wats. Clackamas iris Iris thompsonii R.C. Foster Thompson's iris Olsynium douglasii (A. Dietr.) Bickn. Douglas' olsynium Olsynium douglasii var. douglasii (A. Dietr.) Bickn. Douglas' olsynium Olsynium douglasii var. inflatum (Suksdorf) Cholewa & D. Henderson inflated olsynium Sisyrinchium angustifolium P. Mill. narrowleaf blueeyed grass Sisyrinchium bellum S. Wats. western blueeyed grass Sisyrinchium californicum (Ker-Gawl. ex Sims) Ait. golden blueeyed grass Sisyrinchium hitchcockii D. Henderson Hitchcock's blueeyed grass Sisyrinchium idahoense Bickn. Idaho blueeyed grass Sisyrinchium idahoense var. idahoense Bickn. Idaho blueeyed grass Sisyrinchium idahoense var. segetum (Bickn.) D. Henderson Idaho blueeyed grass Sisyrinchium sarmentosum Suksdorf ex Greene mountain blueeyed grass ISOETACEAE Isoetes bolanderi Engelm. Bolander's quillwort Isoetes bolanderi var. bolanderi Engelm. Bolander's quillwort Isoetes howellii Engelm. Howell's quillwort Isoetes lacustris L. lake quillwort Isoetes nuttallii A. Braun ex Engelm. Nuttall's quillwort Isoetes occidentalis Henderson western quillwort Isoetes tenella LÇman LABIATAE Agastache cusickii (Greenm.) Heller Cusick's giant hyssop Agastache occidentalis (Piper) Heller western giant hyssop Agastache urticifolia (Benth.) Kuntze nettleleaf giant hyssop Agastache urticifolia var. glaucifolia (Heller) Cronq. nettleleaf giant hyssop Agastache urticifolia var. urticifolia (Benth.) Kuntze nettleleaf giant hyssop Ajuga reptans L. common bugle Dracocephalum parviflorum Nutt. American dragonhead Glechoma hederacea L. groundivy Lamium amplexicaule L. henbit deadnettle Lamium maculatum L. spotted henbit Lamium purpureum L. purple deadnettle Lycopus americanus Muhl. ex W. Bart. American waterhorehound Lycopus asper Greene rough bugleweed Lycopus rubellus Moench taperleaf waterhorehound Lycopus uniflorus Michx. northern bugleweed Marrubium vulgare L. horehound Melissa officinalis L. common balm Mentha X piperita L. (pro sp.) peppermint Mentha X rotundifolia (L.) Huds. (pro sp.) mint Mentha X villosa Huds. (pro sp.) hairy mint Mentha aquatica L. water mint Mentha arvensis L. wild mint Mentha arvensis auct. non L. = Mentha canadensis Mentha canadensis L. (??) Canadian mint Mentha citrata Ehrh. = Mentha aquatica Mentha crispa L. = Mentha X piperita Mentha pulegium L. pennyroyal Mentha spicata L. spearmint Mentha viridis L. = Mentha spicata Micromeria chamissonis (Benth.) Greene = Satureja douglasii Moldavica parviflora (Nutt.) Britt. = Dracocephalum parviflorum Moluccella laevis L. shellflower Monarda didyma L. scarlet beebalm Monardella glauca Greene Monardella odoratissima Benth. Pacific monardella Monardella odoratissima ssp. discolor (Greene) Epling alpine mountainbalm Monardella odoratissima ssp. odoratissima Benth. alpine mountainbalm Monardella odoratissima ssp. pallida (Heller) Epling alpine mountainbalm Monardella sheltonii (Torr.) T.J. Howell Monardella villosa Benth. coyote mint Monardella villosa ssp. villosa Benth. coyote mountainbalm Nepeta cataria L. catnip Origanum vulgare L. wild marjoram Physostegia parviflora Nutt. ex Gray western false dragonhead Pogogyne ziziphoroides Benth. Sacramento mesamint Prunella vulgaris L. common selfheal Prunella vulgaris ssp. lanceolata (W. Bart.) Hulten lance selfheal Prunella vulgaris ssp. vulgaris L. common selfheal Rosmarinus officinalis L. rosemary Salvia aethiopis L. Mediterranean sage Salvia carnosa Dougl. ex Greene = Salvia dorrii ssp. dorrii var. incana Salvia dorrii (Kellogg) Abrams grayball sage Salvia dorrii ssp. dorrii (Kellogg) Abrams Dorr's sage Salvia dorrii ssp. dorrii var. dorrii (Kellogg) Abrams Dorr's sage Salvia dorrii ssp. dorrii var. incana (Benth.) Strachan purple sage Satureja chamissonis (Benth.) Briq. = Satureja douglasii Satureja douglasii (Benth.) Briq. yerba buena Scutellaria angustifolia Pursh narrowleaf skullcap Scutellaria antirrhinoides Benth. nose skullcap Scutellaria austiniae Eastw. = Scutellaria siphocamyploides Scutellaria epilobiifolia A. Hamilton = Scutellaria galericulata Scutellaria galericulata L. marsh skullcap Scutellaria lateriflora L. blue skullcap Scutellaria lateriflora var. lateriflora L. blue skullcap Scutellaria nana Gray dwarf skullcap Scutellaria siphocamyploides Vatke grayleaf skullcap Scutellaria tuberosa Benth. Danny's skullcap Stachys ajugoides Benth. bugle hedgenettle Stachys ajugoides var. rigida Jepson & Hoover Stachys cooleyae Heller Stachys palustris L. marsh hedgenettle Stachys palustris ssp. pilosa (Nutt.) Epling marsh hedgenettle Stachys rigida Nutt. ex Benth. = Stachys palustris ssp. pilosa Teucrium canadense L. Canada germander Teucrium canadense var. occidentale (Gray) McClintock & Epling western germander Thymus praecox Opiz mother of thyme Thymus praecox ssp. arcticus (Dur.) Jalas creeping thyme Thymus pulegioides L. lemon thyme Thymus serpyllum auct. non L. = Thymus praecox ssp. arcticus Trichostema lanceolatum Benth. vinegarweed Trichostema laxum Gray turpentine weed Trichostema oblongum Benth. oblong bluecurls Trichostema simulatum Jepson Siskiyou bluecurls LAURACEAE Umbellularia californica (Hook. & Arn.) Nutt. California laurel Umbellularia californica var. californica (Hook. & Arn.) Nutt. California laurel LEGUMINOSAE Astragalus aboriginorum Richards. = Astragalus australis Astragalus accidens S. Wats. Rogue River milkvetch Astragalus accidens var. accidens S. Wats. Rogue River milkvetch Astragalus accidens var. hendersonii M.E. Jones Henderson's milkvetch Astragalus agrestis Dougl. ex G. Don purple milkvetch Astragalus alpinus L. alpine milkvetch Astragalus alpinus var. alpinus L. alpine milkvetch Astragalus alvordensis M.E. Jones Alvord milkvetch Astragalus applegatei M.E. Peck Applegate's milkvetch Astragalus arrectus Gray Palouse milkvetch Astragalus arthurii M.E. Jones waha milkvetch Astragalus atratus S. Wats. mourning milkvetch Astragalus atratus var. owyheensis (A. Nels. & J.F. Macbr.) M.E. Jones Owyhee milkvetch Astragalus australis (L.) Lam. Indian milkvetch Astragalus beckwithii Torr. & Gray Beckwith's milkvetch Astragalus beckwithii var. weiserensis M.E. Jones Weiser's milkvetch Astragalus californicus (Gray) Greene Klamath Basin milkvetch Astragalus calycosus Torr. ex S. Wats. matted poison milkvetch Astragalus calycosus var. calycosus Torr. ex S. Wats. Torrey's milk-vetch Astragalus camptopus Barneby Bruneau milkvetch Astragalus canadensis L. Canadian milkvetch Astragalus canadensis var. brevidens (Gandog.) Barneby shorttooth Canadian milkvetch Astragalus canadensis var. mortonii (Nutt.) S. Wats. Morton's Canadian milkvetch Astragalus caricinus (M.E. Jones) Barneby buckwheat milkvetch Astragalus collinus (Hook.) Dougl. ex G. Don hillside milkvetch Astragalus collinus var. collinus (Hook.) Dougl. ex G. Don hillside milkvetch Astragalus collinus var. laurentii (Rydb.) Barneby Laurent's milkvetch Astragalus conjunctus S. Wats. Idaho milkvetch Astragalus curvicarpus (Heller) J.F. Macbr. curvepod milkvetch Astragalus curvicarpus var. brachycodon (Barneby) Barneby curvepod milkvetch Astragalus curvicarpus var. curvicarpus (Heller) J.F. Macbr. curvepod milkvetch Astragalus curvicarpus var. subglaber (Rydb.) Barneby smooth loco milkvetch Astragalus cusickii Gray Cusick's milkvetch Astragalus cusickii var. cusickii Gray Cusick's milkvetch Astragalus cusickii var. sterilis (Barneby) Barneby barren milkvetch Astragalus diaphanus Dougl. ex Hook. transparent milkvetch Astragalus eremiticus Sheldon hermit milkvetch Astragalus eucosmus B.L. Robins. elegant milkvetch Astragalus filipes Torr. ex Gray threadstalk milkvetch Astragalus gambelianus Sheldon Gambel's dwarf milkvetch Astragalus geyeri Gray Geyer's milkvetch Astragalus geyeri var. geyeri Gray Geyer's milkvetch Astragalus hoodianus T.J. Howell Hood River milkvetch Astragalus howellii Gray Howell's milkvetch Astragalus inflexus Dougl. ex Hook. bent milkvetch Astragalus iodanthus S. Wats. Humboldt River milkvetch Astragalus iodanthus var. diaphanoides Barneby snake milkvetch Astragalus iodanthus var. iodanthus S. Wats. Humboldt River milkvetch Astragalus kentrophyta Gray spiny milkvetch Astragalus kentrophyta var. elatus S. Wats. tall spiny milkvetch Astragalus kentrophyta var. jessiae (M.E. Peck) Barneby spiny milkvetch Astragalus kentrophyta var. tegetarius (S. Wats.) Dorn mat milkvetch Astragalus lemmonii Gray Lemmon's milkvetch Astragalus lentiginosus Dougl. ex Hook. specklepod milkvetch Astragalus lentiginosus var. chartaceus M.E. Jones broadleaf loco milkvetch Astragalus lentiginosus var. floribundus Gray speckledpod milkvetch Astragalus lentiginosus var. lentiginosus Dougl. ex Hook. speckledpod milkvetch Astragalus lentiginosus var. salinus (T.J. Howell) Barneby salty loco milkvetch Astragalus lyallii Gray Lyall's milkvetch Astragalus malacus Gray shaggy milkvetch Astragalus misellus S. Wats. pauper milkvetch Astragalus misellus var. misellus S. Wats. pauper milkvetch Astragalus misellus var. pauper Barneby pauper milkvetch Astragalus miser Dougl. weedy milkvetch Astragalus miser var. miser Dougl. timber milkvetch Astragalus miser var. serotinus (Gray ex Cooper) Barneby timber milkvetch Astragalus mulfordiae M.E. Jones Mulford's milkvetch Astragalus newberryi Gray Newberry's milkvetch Astragalus newberryi var. castoreus M.E. Jones Newberry's milkvetch Astragalus newberryi var. newberryi Gray Newberry's milkvetch Astragalus nudisiliquus A. Nels. cobblestone milkvetch Astragalus obscurus S. Wats. arcane milkvetch Astragalus oophorus S. Wats. egg milkvetch Astragalus oophorus var. oophorus S. Wats. egg milkvetch Astragalus peckii Piper Peck's milkvetch Astragalus platytropis Gray broadkeel milkvetch Astragalus purshii Dougl. ex Hook. woollypod milkvetch Astragalus purshii var. glareosus (Dougl. ex Hook.) Barneby gravel milkvetch Astragalus purshii var. lagopinus (Rydb.) Barneby woollypod milkvetch Astragalus purshii var. lectulus (S. Wats.) M.E. Jones woollypod milkvetch Astragalus purshii var. ophiogenes (Barneby) Barneby Elmore milkvetch Astragalus purshii var. purshii Dougl. ex Hook. Pursh's milkvetch Astragalus purshii var. tinctus M.E. Jones woollypod milkvetch Astragalus reventiformis (Rydb.) Barneby Yakima milkvetch Astragalus reventus Gray Blue Mountain milkvetch Astragalus robbinsii (Oakes) Gray Robbins' milkvetch Astragalus robbinsii var. alpiniformis (Rydb.) Barneby ex C.L. Hitchc. Robbins' milkvetch Astragalus robbinsii var. occidentalis S. Wats. western milkvetch Astragalus salmonis M.E. Jones Trout Creek milkvetch Astragalus sclerocarpus Gray woodypod milkvetch Astragalus sheldonii (Rydb.) Barneby Sheldon's milkvetch Astragalus sinuatus Piper Whited's milkvetch Astragalus solitarius M.E. Peck solitary milkvetch Astragalus spaldingii Gray Spalding's milkvetch Astragalus speirocarpus Gray threadstalk milkvetch Astragalus succumbens Dougl. ex Hook. Columbia milkvetch Astragalus tegetarioides M.E. Jones bastard milkvetch Astragalus tetrapterus Gray fourwing milkvetch Astragalus toanus M.E. Jones Toano milkvetch Astragalus tweedyi Canby Tweedy's milkvetch Astragalus tyghensis M.E. Peck Tygh Valley milkvetch Astragalus umbraticus Sheldon Bald Mountain milkvetch Astragalus vallaris M.E. Jones canyon milkvetch Astragalus whitneyi Gray balloon pod milkvetch Astragalus whitneyi var. confusus Barneby conelike milkvetch Astragalus whitneyi var. siskiyouensis (Rydb.) Barneby Siskiyou milkvetch Astragalus whitneyi var. sonneanus (Greene) Jepson balloon pod milkvetch Astragalus yoder-williamsii Barneby Osgood Mountain milkvetch Coronilla varia L. purple crownvetch Cytisus multiflorus (L'Her.) Sweet white spanishbroom Cytisus scoparius (L.) Link scotchbroom Cytisus scoparius var. scoparius (L.) Link scotchbroom Dalea ornata (Dougl. ex Hook.) Eat. & J. Wright Blue Mountain prairieclover Genista monspessulana (L.) L. Johnson frenchbroom Glycyrrhiza lepidota Pursh American licorice Hedysarum boreale Nutt. northern sweetvetch Hedysarum boreale ssp. boreale Nutt. boreal sweetvetch Hedysarum boreale ssp. boreale var. boreale Nutt. boreal sweetvetch Hedysarum boreale ssp. mackenziei (Richards.) Welsh Mackenzie's sweetvetch Hedysarum occidentale Greene western sweetvetch Lathyrus angulatus L. angled peavine Lathyrus aphaca L. yellow peavine Lathyrus delnorticus C.L. Hitchc. Del Norte peavine Lathyrus hirsutus L. singletary peavine Lathyrus holochlorus (Piper) C.L. Hitchc. thinleaf peavine Lathyrus japonicus Willd. sea peavine Lathyrus lanszwertii Kellogg thickleaf peavine Lathyrus lanszwertii var. aridus (Piper) Jepson Nevada peavine Lathyrus lanszwertii var. brownii (Eastw.) Jepson Brown's peavine Lathyrus lanszwertii var. lanszwertii Kellogg Lanszwert's peavine Lathyrus latifolius L. perennial peavine Lathyrus littoralis (Nutt.) Endl. silky beach peavine Lathyrus nevadensis S. Wats. Sierran peavine Lathyrus nevadensis ssp. cusickii (S. Wats.) C.L. Hitchc. Cusick's peavine Lathyrus nevadensis ssp. lanceolatus (T.J. Howell) C.L. Hitchc. Sierran peavine Lathyrus nevadensis ssp. lanceolatus var. lanceolatus (T.J. Howell) C.L. Hitchc. Sierran peavine Lathyrus nevadensis ssp. lanceolatus var. nuttallii (S. Wats.) C.L. Hitchc. Nuttall's peavine Lathyrus nevadensis ssp. lanceolatus var. pilosellus (M.E. Peck) C.L. Hitchc. Sierran peavine Lathyrus nevadensis ssp. nevadensis S. Wats. Nevada peavine Lathyrus palustris L. slenderstem peavine Lathyrus pauciflorus Fern. fewflower peavine Lathyrus pauciflorus var. pauciflorus Fern. fewflower peavine Lathyrus pauciflorus var. utahensis (M.E. Jones) Piper ex M.E. Peck Utah peavine Lathyrus polyphyllus Nutt. leafy peavine Lathyrus pusillus Ell. tiny peavine Lathyrus rigidus White stiff peavine Lathyrus sphaericus Retz. grass peavine Lathyrus sulphureus Brewer ex Gray snub peavine Lathyrus sulphureus var. sulphureus Brewer ex Gray snub peavine Lathyrus sylvestris L. flat peavine Lathyrus tingitanus L. Tangier peavine Lathyrus torreyi Gray Torrey's peavine Lathyrus vestitus Nutt. Pacific peavine Lathyrus vestitus ssp. bolanderi (S. Wats.) C.L. Hitchc. Bolander's peavine Lathyrus vestitus ssp. vestitus Nutt. Pacific peavine Lotus aboriginus Jepson rosy birdsfoot trefoil Lotus corniculatus L. birdfoot deervetch Lotus crassifolius (Benth.) Greene big deervetch Lotus crassifolius var. crassifolius (Benth.) Greene big deervetch Lotus denticulatus (E. Drew) Greene riverbar birdsfoot trefoil Lotus formosissimus Greene seaside birdsfoot trefoil Lotus humistratus Greene foothill deervetch Lotus micranthus Benth. desert deervetch Lotus nevadensis (S. Wats.) Greene Nevada birdsfoot trefoil Lotus nevadensis var. douglasii (Greene) Ottley Douglas' birdsfoot trefoil Lotus oblongifolius (Benth.) Greene streambank birdsfoot trefoil Lotus oblongifolius var. oblongifolius (Benth.) Greene streambank birdsfoot trefoil Lotus parviflorus Desf. smallflower birdsfoot trefoil Lotus pinnatus Hook. meadow birdsfoot trefoil Lotus unifoliolatus (Hook.) Benth. American birdsfoot trefoil Lotus unifoliolatus var. unifoliolatus (Hook.) Benth. prairie trefoil Lotus wrangelianus Fisch. & C.A. Mey. Chilean birdsfoot trefoil Lupinus X inyoensis Heller (pro sp.) Inyo lupine Lupinus adsurgens E. Drew Drew's silky lupine Lupinus adsurgens var. adsurgens E. Drew Drew's silky lupine Lupinus affinis J.G. Agardh fleshy lupine Lupinus albicaulis Dougl. sicklekeel lupine Lupinus albicaulis var. albicaulis Dougl. sicklekeel lupine Lupinus albicaulis var. shastensis (Heller) C.P. Sm. Shasta lupine Lupinus albifrons Benth. ex Lindl. silver lupine Lupinus albifrons var. eminens (Greene) C.P. Sm. silver lupine Lupinus albifrons var. flumineus C.P. Sm. silver lupine Lupinus alpicola Henderson ex Piper Mt. Adams lupine Lupinus andersonii S. Wats. Anderson's lupine Lupinus arboreus Sims bush lupine Lupinus arboreus var. arboreus Sims bush lupine Lupinus arbustus Dougl. ex Lindl. longspur lupine Lupinus arbustus ssp. arbustus Dougl. ex Lindl. longspur lupine Lupinus arbustus ssp. arbustus var. montanus (T.J. Howell) D. Dunn longspur lupine Lupinus arbustus ssp. calcaratus (Kellogg) D. Dunn quakerbonnet lupine Lupinus arbustus ssp. neolaxiflorus D. Dunn longspur lupine Lupinus arbustus ssp. pseudoparviflorus (Rydb.) D. Dunn false lupine Lupinus arbustus ssp. silvicola (Heller) D. Dunn longspur lupine Lupinus arcticus S. Wats. arctic lupine Lupinus arcticus ssp. subalpinus (Piper & B.L. Robins.) D. Dunn subalpine lupine Lupinus argenteus Pursh silvery lupine Lupinus argenteus ssp. argenteus Pursh silvery lupine Lupinus argenteus ssp. argenteus var. argenteus Pursh silvery lupine Lupinus argenteus ssp. argenteus var. laxiflorus (Dougl. ex Lindl.) Dorn spur lupine Lupinus argenteus ssp. rubricaulis (Greene) Hess & D. Dunn silvery lupine Lupinus aridus Dougl. desert lupine Lupinus aridus ssp. aridus Dougl. desert lupine Lupinus aridus ssp. ashlandensis Cox Ashland's lupine Lupinus bicolor Lindl. bicolor lupine Lupinus bicolor ssp. bicolor Lindl. bicolor lupine Lupinus bicolor ssp. microphyllus (S. Wats.) D. Dunn annual lupine Lupinus bicolor ssp. tridentatus (Eastw. ex C.P. Sm.) D. Dunn annual lupine Lupinus bicolor ssp. tridentatus var. tridentatus Eastw. ex C.P. Sm. annual lupine Lupinus bingenensis Suksdorf Bingen lupine Lupinus bingenensis var. bingenensis Suksdorf Bingen lupine Lupinus bingenensis var. dubius C.P. Sm. Bingen lupine Lupinus bingenensis var. subsaccatus Suksdorf Bingen lupine Lupinus brevicaulis S. Wats. shortstem lupine Lupinus breweri Gray Brewer's lupine Lupinus breweri var. breweri Gray Brewer's lupine Lupinus burkei S. Wats. largeleaf lupine Lupinus burkei ssp. burkei S. Wats. Burke's lupine Lupinus burkei ssp. caeruleomontanus D. Dunn & Cox largeleaf lupine Lupinus caespitosus Nutt. stemless dwarf lupine Lupinus caespitosus var. utahensis (S. Wats.) Cox Utah lupine Lupinus caudatus Kellogg tailcup lupine Lupinus caudatus ssp. caudatus Kellogg tailcup lupine Lupinus caudatus ssp. montigenus (Heller) Hess & D. Dunn Kellogg's spurred lupine Lupinus confertus Kellogg crowded lupine Lupinus cusickii S. Wats. Cusick's lupine Lupinus cusickii ssp. abortivus (Greene) Cox Cusick's lupine Lupinus cusickii ssp. brachypodus (Piper) Cox Cusick's lupine Lupinus cusickii ssp. cusickii S. Wats. Cusick's lupine Lupinus dalesiae Eastw. Quincy lupine Lupinus densiflorus Benth. whitewhorl lupine Lupinus densiflorus var. densiflorus Benth. whitewhorl lupine Lupinus fissicalyx Heller Grants Pass lupine Lupinus formosus Greene summer lupine Lupinus formosus var. robustus C.P. Sm. summer lupine Lupinus holosericeus Nutt. holo lupine Lupinus latifolius Lindl. ex J.G. Agardh broadleaf lupine Lupinus latifolius ssp. latifolius Lindl. ex J.G. Agardh broadleaf lupine Lupinus latifolius ssp. longipes (Greene) Kenney & D. Dunn broadleaf lupine Lupinus latifolius ssp. viridifolius (Heller) Kenney & D. Dunn broadleaf lupine Lupinus latifolius ssp. viridifolius var. barbatus (Henderson) Munz broadleaf lupine Lupinus latifolius ssp. viridifolius var. viridifolius (Heller) C.P. Sm. broadleaf lupine Lupinus lepidus Dougl. ex Lindl. Pacific lupine Lupinus leucophyllus Dougl. ex Lindl. velvet lupine Lupinus leucophyllus ssp. erectus (Henderson) Harmon velvet lupine Lupinus leucophyllus ssp. leucophyllus Dougl. ex Lindl. velvet lupine Lupinus leucophyllus ssp. leucophyllus var. belliae C.P. Sm. velvet lupine Lupinus leucophyllus ssp. leucophyllus var. canescens (T.J. Howell) C.P. Sm. velvet lupine Lupinus leucophyllus ssp. leucophyllus var. leucophyllus Dougl. ex Lindl. velvet lupine Lupinus littoralis Dougl. seashore lupine Lupinus luteolus Kellogg pale yellow lupine Lupinus lyallii Gray dwarf mountain lupine Lupinus lyallii ssp. lyallii Gray Lyall's lupine Lupinus lyallii ssp. lyallii var. fruticulosus (Greene) C.P. Sm. Lyall's lupine Lupinus lyallii ssp. lyallii var. lyallii Gray Lyall's lupine Lupinus lyallii ssp. minutifolius (Eastw.) Cox dwarf mountain lupine Lupinus lyallii ssp. subpandens C.P. Sm. ex D. Dunn dwarf mountain lupine Lupinus minimus Dougl. ex Hook. Kettle Falls lupine Lupinus mollis Heller soft lupine Lupinus nanus Dougl. ex Benth. sky lupine Lupinus nevadensis Heller Nevada lupine Lupinus odoratus Heller Mojave royal lupine Lupinus odoratus var. odoratus Heller Mojave royal lupine Lupinus onustus S. Wats. Plumas lupine Lupinus oreganus Heller Oregon lupine Lupinus oreganus var. kincaidii C.P. Sm. Kincaid's lupine Lupinus oreganus var. oreganus Heller Oregon lupine Lupinus ornatus Dougl. ex Lindl. ornate lupine Lupinus polycarpus Greene smallflower lupine Lupinus polyphyllus Lindl. bigleaf lupine Lupinus polyphyllus ssp. bernardianus (Abrams ex C.P. Sm.) Munz bigleaf lupine Lupinus polyphyllus ssp. polyphyllus Lindl. bigleaf lupine Lupinus polyphyllus ssp. polyphyllus var. pallidipes (Heller) C.P. Sm. bigleaf lupine Lupinus polyphyllus ssp. polyphyllus var. polyphyllus Lindl. bigleaf lupine Lupinus polyphyllus ssp. superbus (Heller) Munz bigleaf lupine Lupinus prunophilus M.E. Jones hairy bigleaf lupine Lupinus pusillus Pursh rusty lupine Lupinus pusillus ssp. intermontanus (Heller) D. Dunn Intermountain lupine Lupinus rivularis Dougl. ex Lindl. riverbank lupine Lupinus sabinianus Dougl. ex Lindl. Sabin's lupine Lupinus saxosus T.J. Howell rock lupine Lupinus saxosus var. saxosus T.J. Howell stonyground lupine Lupinus saxosus var. subsericeus (B.L. Robins. ex Piper) C.P. Sm. stonyground lupine Lupinus sellulus Kellogg Donner Lake lupine Lupinus sellulus ssp. sellulus Kellogg Donner Lake lupine Lupinus sellulus ssp. sellulus var. lobbii (Gray ex S. Wats.) Cox Lobb's lupine Lupinus sellulus ssp. sellulus var. sellulus Kellogg Donner Lake lupine Lupinus sericeus Pursh silky lupine Lupinus sericeus ssp. sericeus Pursh silky lupine Lupinus sericeus ssp. sericeus var. flexuosus (Lindl. ex J.G. Agardh) C.P. Sm. silky lupine Lupinus sericeus ssp. sericeus var. maximus C.P. Sm. ex Fleak & D. Dunn silky lupine Lupinus sericeus ssp. sericeus var. sericeus Pursh silky lupine Lupinus sericeus ssp. sericeus var. thompsonianus C.P. Sm. Thompson's silky lupine Lupinus sericeus ssp. sericeus var. wallowensis C.P. Sm. Wallowa silky lupine Lupinus subvexus C.P. Sm. valley lupine Lupinus subvexus var. subvexus C.P. Sm. valley lupine Lupinus subvexus var. transmontanus C.P. Sm. valley lupine Lupinus suksdorfii B.L. Robins. Suksdorf's lupine Lupinus sulphureus Dougl. ex Hook. sulphur lupine Lupinus tracyi Eastw. Tracy's lupine Lupinus uncialis S. Wats. inchhigh lupine Lupinus vallicola Heller open lupine Lupinus vallicola ssp. apricus (Greene) D. Dunn open lupine Lupinus wyethii S. Wats. Wyeth's lupine Lupinus wyethii ssp. wyethii S. Wats. Wyeth's lupine Medicago arabica (L.) Huds. spotted medick Medicago lupulina L. black medick Medicago minima (L.) L. burr medick Medicago polymorpha L. burclover Medicago sativa L. alfalfa Medicago sativa ssp. sativa L. alfalfa Medicago turbinata (L.) All. southern medick Melilotus albus Medik. = Melilotus officinalis Melilotus albus var. annuus Coe = Melilotus officinalis Melilotus indicus (L.) All. annual yellow sweetclover Melilotus officinalis (L.) Lam. yellow sweetclover Onobrychis viciifolia Scop. sainfoin Ononis arvensis L. field restharrow Ononis repens L. common restharrow Oxytropis borealis DC. Oxytropis borealis var. viscida (Nutt.) Welsh Oxytropis campestris (L.) DC. cold mountain crazyweed Oxytropis campestris var. cusickii (Greenm.) Barneby Cusick's crazyweed Oxytropis deflexa (Pallas) DC. hangpod crazyweed Oxytropis deflexa var. sericea Torr. & Gray longstem hangpod crazyweed Oxytropis sericea Nutt. silvery oxytrope Pisum sativum L. garden pea Psoralea = Psoralidium Psoralidium lanceolatum (Pursh) Rydb. lemon scurfpea Robinia pseudoacacia L. black locust Rupertia physodes (Dougl. ex Hook.) J. Grimes forest scurfpea Sarothamnus scoparius (L.) Wimmer ex Koch = Cytisus scoparius Sophora leachiana M.E. Peck western necklacepod Sphaerophysa salsula (Pallas) DC. alkali swainsonpea Thermopsis californica S. Wats. Thermopsis californica var. argentata (Greene) C.J. Chen & B.L. Turner Thermopsis gracilis T.J. Howell Thermopsis gracilis var. gracilis T.J. Howell Thermopsis gracilis var. ovata (B.L. Robins. ex Piper) M. Mendenhall Thermopsis macrophylla Hook. & Arn. California goldenbanner Thermopsis macrophylla var. macrophylla Hook. & Arn. California goldenbanner Thermopsis montana var. ovata (B.L. Robins. ex Piper) St. John = Thermopsis gracilis var. ovata Thermopsis montana var. venosa (Eastw.) Jepson = Thermopsis gracilis var. gracilis Thermopsis rhombifolia (Nutt. ex Pursh) Nutt. ex Richards. prairie thermopsis Thermopsis rhombifolia var. montana (Nutt.) Isely mountain thermopsis Trifolium albopurpureum Torr. & Gray rancheria clover Trifolium andersonii Gray fiveleaf clover Trifolium andersonii ssp. andersonii Gray Anderson's clover Trifolium arvense L. rabbitfoot clover Trifolium barbigerum Torr. bearded clover Trifolium beckwithii Brewer ex S. Wats. Beckwith's clover Trifolium bifidum Gray notchleaf clover Trifolium breweri S. Wats. forest clover Trifolium campestre Schreb. field clover Trifolium ciliolatum Benth. foothill clover Trifolium cyathiferum Lindl. cup clover Trifolium depauperatum Desv. cowbag clover Trifolium douglasii House Douglas' clover Trifolium dubium Sibthorp suckling clover Trifolium eriocephalum Nutt. woollyhead clover Trifolium eriocephalum ssp. arcuatum (Piper) J. Gillett woollyhead clover Trifolium eriocephalum ssp. cusickii (Piper) J. Gillett Cusick's clover Trifolium eriocephalum ssp. eriocephalum Nutt. woollyhead clover Trifolium fragiferum L. strawberry clover Trifolium fucatum Lindl. bull clover Trifolium gracilentum Torr. & Gray pinpoint clover Trifolium gymnocarpon Nutt. hollyleaf clover Trifolium gymnocarpon ssp. plummerae (S. Wats.) J. Gillett Plummer's clover Trifolium howellii S. Wats. canyon clover Trifolium hybridum L. alsike clover Trifolium incarnatum L. crimson clover Trifolium latifolium (Hook.) Greene twin clover Trifolium leibergii A. Nels. & J.F. Macbr. Leiberg's clover Trifolium lemmonii S. Wats. Lemmon's clover Trifolium longipes Nutt. longstalk clover Trifolium longipes ssp. caurinum (Piper) J. Gillett longstalk clover Trifolium longipes ssp. elmeri (Greene) J. Gillett Elmer's clover Trifolium longipes ssp. hansenii (Greene) J. Gillett Hansen's clover Trifolium longipes ssp. longipes Nutt. longstalk clover Trifolium longipes ssp. multipedunculatum (Kennedy) J. Gillett longstalk clover Trifolium longipes ssp. oreganum (T.J. Howell) J. Gillett Oregon clover Trifolium longipes ssp. reflexum (A. Nels.) J. Gillett droopflower clover Trifolium longipes ssp. shastense (House) J. Gillett Shasta clover Trifolium macraei Hook. & Arn. Chilean clover Trifolium macrocephalum (Pursh) Poir. largehead clover Trifolium microcephalum Pursh smallhead clover Trifolium microdon Hook. & Arn. thimble clover Trifolium obtusiflorum Hook. f. clammy clover Trifolium oliganthum Steud. fewflower clover Trifolium owyheense Gilkey Owyhee clover Trifolium plumosum Dougl. ex Hook. plumed clover Trifolium plumosum ssp. plumosum Dougl. ex Hook. plumed clover Trifolium pratense L. red clover Trifolium productum Greene Shasta clover Trifolium repens L. white clover Trifolium variegatum Nutt. whitetip clover Trifolium vesiculosum Savi arrowleaf clover Trifolium willdenowii Spreng. tomcat clover Trifolium wormskioldii Lehm. cows clover Ulex europaeus L. common gorse Vicia americana Muhl. ex Willd. American vetch Vicia americana ssp. americana Muhl. ex Willd. American vetch Vicia americana ssp. minor (Hook.) C.R. Gunn mat vetch Vicia cracca L. bird vetch Vicia cracca ssp. cracca L. bird vetch Vicia faba L. horsebean Vicia hirsuta (L.) S.F. Gray tiny vetch Vicia laxiflora Brot. slender vetch Vicia ludoviciana Nutt. Louisiana vetch Vicia ludoviciana ssp. ludoviciana Nutt. slim vetch Vicia nigricans Hook. & Arn. black vetch Vicia nigricans ssp. gigantea (Hook.) Lassetter & Gunn. giant vetch Vicia pannonica Crantz Hungarian vetch Vicia sativa L. common vetch Vicia sativa ssp. nigra (L.) Ehrh. common vetch Vicia sativa ssp. sativa L. garden vetch Vicia tetrasperma (L.) Schreb. lentil vetch Vicia tetrasperma var. tetrasperma (L.) Moench lentil vetch Vicia villosa Roth winter vetch Vicia villosa ssp. varia (Host) Corb. winter vetch Vicia villosa ssp. villosa Roth winter vetch LEMNACEAE Lemna minor L. common duckweed Lemna trisulca L. star duckweed Lemna valdiviana Phil. valdivia duckweed Spirodela polyrrhiza (L.) Schleid. common duckweed Wolffia borealis (Engelm. ex Hegelm.) Landolt ex Landolt & Wildi northern watermeal Wolffia braziliensis Weddell Brazilian watermeal Wolffia columbiana Karst. Columbian watermeal LENTIBULARIACEAE Pinguicula macroceras Link California butterwort Utricularia gibba L. humped bladderwort Utricularia intermedia Hayne flatleaf bladderwort Utricularia macrorhiza Le Conte common bladderwort Utricularia minor L. lesser bladderwort Utricularia ochroleuca R.W. Hartman yellowishwhite bladderwort LILIACEAE Allium acuminatum Hook. tapertip onion Allium amplectens Torr. narrowleaf onion Allium anceps Kellogg twinleaf onion Allium bisceptrum S. Wats. twincrest onion Allium bisceptrum var. bisceptrum S. Wats. twincrest onion Allium bolanderi S. Wats. Bolander's onion Allium bolanderi var. bolanderi S. Wats. Bolander's onion Allium brandegei S. Wats. Brandegee's onion Allium campanulatum S. Wats. dusky onion Allium cepa L. garden onion Allium cernuum Roth nodding onion Allium crenulatum Wieg. Olympic onion Allium douglasii Hook. Douglas' onion Allium falcifolium Hook. & Arn. scytheleaf onion Allium fibrillum M.E. Jones Blue Mountain onion Allium geyeri S. Wats. Geyer's onion Allium geyeri var. geyeri S. Wats. Geyer's onion Allium geyeri var. tenerum M.E. Jones bulbil onion Allium lemmonii S. Wats. Lemmon's onion Allium macrum S. Wats. rock onion Allium madidum S. Wats. swamp onion Allium neapolitanum Cirillo white garlic Allium nevadense S. Wats. Nevada onion Allium nevadense var. nevadense S. Wats. Nevada onion Allium nevii S. Wats. Nevius' garlic Allium nigrum L. black garlic Allium parvum Kellogg small onion Allium peninsulare J.G. Lemmon ex Greene Mexicali onion Allium platycaule S. Wats. broadstemmed onion Allium pleianthum S. Wats. manyflower onion Allium punctum Henderson dotted onion Allium sanbornii Wood Sanborn's onion Allium sanbornii var. sanbornii Wood Sanborn's onion Allium schoenoprasum L. wild chives Allium schoenoprasum var. schoenoprasum L. wild chives Allium schoenoprasum var. sibiricum (L.) Hartman wild chives Allium siskiyouense Ownbey Siskiyou onion Allium tolmiei (Hook.) Baker ex S. Wats. Tolm's onion Allium tolmiei var. platyphyllum (Tidestrom) Ownbey Wallowa onion Allium tolmiei var. tolmiei (Hook.) Baker ex S. Wats. Tolm's onion Allium unifolium Kellogg oneleaf onion Allium validum S. Wats. Pacific onion Allium vineale L. wild garlic Allium vineale ssp. vineale L. wild garlic Asparagus officinalis L. garden asparagus Brodiaea californica Lindl. California clusterlily Brodiaea coronaria (Salisb.) Engl. harvest clusterlily Brodiaea coronaria ssp. coronaria (Salisb.) Engl. harvest clusterlily Brodiaea crocea (Wood) S. Wats. = Triteleia crocea var. crocea Brodiaea dissimulata M.E. Peck = Triteleia hyacinthina Brodiaea elegans Hoover elegant clusterlily Brodiaea elegans ssp. elegans Hoover elegant clusterlily Brodiaea elegans ssp. hooveri Niehaus Hoover's cluster-lily Brodiaea hendersonii (Greene) S. Wats. = Triteleia hendersonii var. hendersonii Brodiaea howellii S. Wats. = Triteleia grandiflora var. howellii Brodiaea hyacinthina (Lindl.) Baker = Triteleia hyacinthina Brodiaea ida-maia (Wood) Greene = Dichelostemma ida-maia Brodiaea laxa (Benth.) S. Wats. = Triteleia laxa Brodiaea multiflora Benth. = Dichelostemma multiflorum Brodiaea terrestris Kellogg dwarf clusterlily Brodiaea terrestris ssp. terrestris Kellogg dwarf clusterlily Brodiaea uniflora (Graham) Engl. = Ipheion uniflorum Calochortus bruneaunis A. Nels. & J.F. Macbr. Bruneau Mariposa lily Calochortus coeruleus (Kellogg) S. Wats. beavertail grass Calochortus coxii M. Godfrey & F. Callahan Cox's Mariposa lily Calochortus elegans Pursh northwestern Mariposa lily Calochortus elegans var. elegans Pursh elegant Mariposa lily Calochortus elegans var. nanus Wood Calochortus eurycarpus S. Wats. white Mariposa lily Calochortus greenei S. Wats. Greene's Mariposa lily Calochortus howellii S. Wats. Howell's Mariposa lily Calochortus longebarbatus S. Wats. longbeard Mariposa lily Calochortus longebarbatus var. longebarbatus S. Wats. longbeard Mariposa lily Calochortus longebarbatus var. peckii Ownbey longbeard Mariposa lily Calochortus macrocarpus Dougl. sagebrush Mariposa lily Calochortus macrocarpus var. macrocarpus Dougl. sagebrush Mariposa lily Calochortus nitidus Dougl. broadfruit Mariposa lily Calochortus nudus S. Wats. naked Mariposa lily Calochortus subalpinus Piper subalpine Mariposa lily Calochortus tolmiei Hook. & Arn. Tolmie startulip Calochortus umpquaensis N.A. Fredricks Umpqua Mariposa lily Calochortus uniflorus Hook. & Arn. Monterey Mariposa lily Camassia cusickii S. Wats. Cusick's camas Camassia howellii S. Wats. Howell's camas Camassia leichtlinii (Baker) S. Wats. large camas Camassia leichtlinii ssp. leichtlinii (Baker) S. Wats. Leichtlin's large camas Camassia leichtlinii ssp. suksdorfii (Greenm.) Gould Suksdorf's large camas Camassia quamash (Pursh) Greene small camas Camassia quamash ssp. breviflora Gould small camas Camassia quamash ssp. intermedia Gould small camas Camassia quamash ssp. maxima Gould small camas Camassia quamash ssp. quamash (Pursh) Greene small camas Camassia quamash ssp. utahensis Gould Utah small camas Camassia quamash ssp. walpolei (Piper) Gould Walpole's small camas Chlorogalum pomeridianum (DC.) Kunth wavyleaf soapplant Clintonia andrewsiana Torr. western bluebeadlily Clintonia uniflora (Menzies ex J.A. & J.H. Schultes) Kunth bride's bonnet Dichelostemma capitatum (Benth.) Wood bluedicks Dichelostemma ida-maia (Wood) Greene Ida May's snakelily Dichelostemma multiflorum (Benth.) Heller roundtooth snakelily Disporum hookeri (Torr.) Nichols. drops of gold Disporum hookeri var. hookeri (Torr.) Nichols. Hooker's drops of gold Disporum hookeri var. oreganum (S. Wats.) Q. Jones Oregon drops of gold Disporum hookeri var. parvifolium (S. Wats.) Britt. Disporum hookeri var. trachyandrum (Torr.) Q. Jones drops of gold Disporum smithii (Hook.) Piper largeflower fairybells Disporum trachycarpum (S. Wats.) Benth. & Hook. f. roughfruit fairybells Erythronium citrinum S. Wats. cream fawnlily Erythronium elegans Hammond & Chambers Coast Range fawnlily Erythronium grandiflorum Pursh dogtooth lily Erythronium grandiflorum ssp. grandiflorum Pursh yellow avalanchelily Erythronium hendersonii S. Wats. Henderson's fawnlily Erythronium howellii S. Wats. Howell's fawnlily Erythronium klamathense Applegate Klamath fawnlily Erythronium montanum S. Wats. white avalanchelily Erythronium oregonum Applegate giant white fawnlily Erythronium oregonum ssp. leucandrum (Applegate) Applegate giant white fawnlily Erythronium oregonum ssp. oregonum Applegate Oregon fawnlily Erythronium revolutum Sm. mahogany fawnlily Fritillaria affinis (Schultes) Sealy Fritillaria affinis var. affinis (Schultes) Sealy Fritillaria atropurpurea Nutt. spotted missionbells Fritillaria camschatcensis (L.) Ker-Gawl. Kamchatka missionbells Fritillaria falcata (Jepson) D.E. Beetle talus missionbells Fritillaria gentneri Gilkey Gentner's missionbells Fritillaria glauca Greene Siskiyou missionbells Fritillaria pudica (Pursh) Spreng. yellow missionbells Fritillaria purdyi Eastw. Purdy's missionbells Fritillaria recurva Benth. scarlet missionbells Hastingsia alba (Dur.) S. Wats. white rushlily Hastingsia atropurpurea Becking purple rushlily Hastingsia bracteosa S. Wats. largeflower rushlily Hastingsia serpenticola Becking Klamath rushlily Ipheion uniflorum (Graham) Raf. springstar Leucocrinum montanum Nutt. ex Gray common starlily Lilium bolanderi S. Wats. Bolander's lily Lilium columbianum hort. ex Baker Columbian lily Lilium kelloggii Purdy Kellogg's lily Lilium occidentale Purdy Eureka lily Lilium pardalinum Kellogg leopard lily Lilium pardalinum ssp. pardalinum Kellogg Pitkin Marsh lily Lilium pardalinum ssp. vollmeri (Eastw.) Skinner Vollmer's lily Lilium pardalinum ssp. wigginsii (Beane & Vollmer) Skinner, comb. nov. ined. Lilium washingtonianum Kellogg Washington lily Lilium washingtonianum var. purpurascens Stearn Cascade lily Lloydia serotina (L.) Reichenb. common alplily Maianthemum G.H. Weber ex Wiggers beadruby Maianthemum dilatatum (Wood) A. Nels. & J.F. Macbr. twoleaf false Solomon's seal Maianthemum racemosum (L.) Link feathery false Solomon's seal Maianthemum racemosum ssp. amplexicaule (Nutt.) LaFrankie western Solomon's seal Maianthemum stellatum (L.) Link starry false Solomon's seal Muscari comosum (L.) P. Mill. tassel grapehyacinth Narthecium californicum Baker California bog asphodel Ornithogalum umbellatum L. sleepydick Scoliopus hallii S. Wats. Oregon fetid adderstongue Smilacina . = Maianthemum Stenanthium occidentale Gray western stenanthium Streptopus amplexifolius (L.) DC. claspleaf twistedstalk Streptopus amplexifolius var. amplexifolius (L.) DC. American twistedstalk Streptopus amplexifolius var. chalazatus Fassett tubercle twistedstalk Streptopus lanceolatus (Ait.) Reveal Streptopus lanceolatus var. curvipes (Vail) Reveal Streptopus lanceolatus var. roseus (Michx.) Reveal Streptopus streptopoides (Ledeb.) Frye & Rigg northern twistedstalk Tofieldia glutinosa (Michx.) Pers. glutin tofieldia Tofieldia glutinosa ssp. brevistyla C.L. Hitchc. sticky tofieldia Tofieldia glutinosa ssp. occidentalis (S. Wats.) C.L. Hitchc. western tofieldia Trillium albidum J.D. Freeman giant white wakerobin Trillium chloropetalum (Torr.) T.J. Howell giant wakerobin Trillium chloropetalum var. chloropetalum (Torr.) T.J. Howell giant wakerobin Trillium kurabayashii J.D. Freeman giant purple wakerobin Trillium ovatum Pursh Pacific trillium Trillium ovatum ssp. ovatum Pursh Pacific trillium Trillium parviflorum Soukup smallflower wakerobin Trillium petiolatum Pursh Idaho trillium Trillium rivale S. Wats. brook wakerobin Triteleia Dougl. ex Lindl. tripletlily Triteleia bridgesii (S. Wats.) Greene Bridges' brodiaea Triteleia crocea (Wood) Greene yellow tripletlily Triteleia crocea var. crocea (Wood) Greene yellow tripletlily Triteleia grandiflora Lindl. wild hyacinth Triteleia grandiflora var. howellii (S. Wats.) Hoover Triteleia hendersonii Greene Henderson's tripletlily Triteleia hendersonii var. hendersonii Greene Henderson's tripletlily Triteleia hendersonii var. leachiae (M.E. Peck) Hoover Leach's tripletlily Triteleia hyacinthina (Lindl.) Greene hyacinth brodiaea Triteleia hyacinthina var. hyacinthina (Lindl.) Greene fool's onion Triteleia ixioides (Ait. f.) Greene prettyface Triteleia ixioides ssp. anilina (Greene) Lenz prettyface Triteleia laxa Benth. grassnut Uvularia L. = Streptopus Veratrum californicum Dur. California false hellebore Veratrum californicum var. californicum Dur. California false hellebore Veratrum californicum var. caudatum (Heller) C.L. Hitchc. cascade false hellebore Veratrum insolitum Jepson Siskiyou false hellebore Veratrum viride Ait. (?) American false hellebore Xerophyllum tenax (Pursh) Nutt. common beargrass Zigadenus elegans Pursh mountain deathcamas Zigadenus fremontii (Torr.) Torr. ex S. Wats. Fremont's deathcamas Zigadenus fremontii var. fremontii (Torr.) Torr. ex S. Wats. Fremont's deathcamas Zigadenus micranthus Eastw. smallflower deathcamas Zigadenus paniculatus (Nutt.) S. Wats. foothill deathcamas Zigadenus venenosus S. Wats. meadow deathcamas Zigadenus venenosus var. gramineus (Rydb.) Walsh ex M.E. Peck grassy deathcamas Zigadenus venenosus var. venenosus S. Wats. meadow deathcamas LIMNANTHACEAE Floerkea proserpinacoides Willd. false mermaidweed Limnanthes douglasii R. Br. Douglas' meadowfoam Limnanthes floccosa T.J. Howell woolly meadowfoam Limnanthes floccosa ssp. bellingeriana (M.E. Peck) Arroyo woolly meadowfoam Limnanthes floccosa ssp. floccosa T.J. Howell woolly meadowfoam Limnanthes floccosa ssp. grandiflora Arroyo woolly meadowfoam Limnanthes floccosa ssp. pumila (T.J. Howell) Arroyo woolly meadowfoam Limnanthes gracilis T.J. Howell slender meadowfoam Limnanthes gracilis ssp. gracilis T.J. Howell slender meadowfoam LINACEAE Hesperolinon micranthum (Gray) Small smallflower dwarfflax Linum bienne P. Mill. pale flax Linum lewisii Pursh prairie flax Linum usitatissimum L. common flax Sclerolinon digynum (Gray) Rogers digynum flax LOASACEAE Mentzelia albicaulis (Dougl. ex Hook.) Dougl. ex Torr. & Gray whitestem blazingstar Mentzelia albicaulis var. albicaulis (Dougl. ex Hook.) Dougl. ex Torr. & Gray whitestem blazingstar Mentzelia congesta Nutt. ex Torr. & Gray united blazingstar Mentzelia congesta var. congesta Nutt. ex Torr. & Gray ventana blazingstar Mentzelia dispersa S. Wats. bushy blazingstar Mentzelia dispersa var. compacta (A. Nels.) J.F. Macbr. Nevada blazingstar Mentzelia dispersa var. dispersa S. Wats. bushy blazingstar Mentzelia dispersa var. latifolia (Rydb.) J.F. Macbr. bushy blazingstar Mentzelia laevicaulis (Dougl. ex Hook.) Torr. & Gray smoothstem blazingstar Mentzelia laevicaulis var. laevicaulis (Dougl. ex Hook.) Torr. & Gray smoothstem blazingstar Mentzelia mollis M.E. Peck soft blazingstar Mentzelia montana (A. Davids.) A. Davids. variegatedbract blazingstar Mentzelia packardiae Glad. Packard's blazingstar Mentzelia veatchiana Kellogg whitestem blazingstar LYCOPODIACEAE Huperzia chinensis (Christ) Czern. Chinese clubmoss Huperzia selago (L.) Bernh. ex Mart. & Schrank fir clubmoss Huperzia selago var. selago (L.) Bernh. ex Mart. & Schrank fir clubmoss Lycopodiella inundata (L.) Holub inundated clubmoss Lycopodium annotinum L. stiff clubmoss Lycopodium annotinum var. annotinum L. stiff clubmoss Lycopodium clavatum L. running clubmoss Lycopodium clavatum var. clavatum L. running clubmoss Lycopodium complanatum L. groundcedar Lycopodium obscurum L. rare clubmoss Lycopodium sitchense Rupr. Sitka clubmoss LYTHRACEAE Ammannia coccinea Rottb. valley redstem Ammannia robusta Heer & Regel grand redstem Lythrum hyssopifolia L. hyssop loosestrife Lythrum portula (L.) D.A. Webber spatulaleaf loosestrife Lythrum salicaria L. purple loosestrife Rotala ramosior (L.) Koehne lowland rotala MALVACEAE Alcea rosea L. hollyhock Althaea rosea (L.) Cav. = Alcea rosea Callirhoe involucrata (Torr. & Gray) Gray purple poppymallow Hibiscus trionum L. flower of an hour Iliamna bakeri (Jepson) Wiggins Baker's wildhollyhock Iliamna latibracteata Wiggins California wildhollyhock Iliamna rivularis (Dougl. ex Hook.) Greene streambank globemallow Iliamna rivularis var. rivularis (Dougl. ex Hook.) Greene streambank wildhollyhock Malva moschata L. musk mallow Malva neglecta Wallr. common mallow Malva parviflora L. cheeseweed mallow Malva rotundifolia auct. non L. = Malva neglecta Malva sylvestris L. high mallow Malvella Jaubert & Spach malvella Malvella leprosa (Ortega) Krapov. alkali mallow Modiola caroliniana (L.) G. Don Carolina bristlemallow Sida hederacea (Dougl. ex Hook.) Torr. ex Gray = Malvella leprosa Sidalcea campestris Greene meadow checkermallow Sidalcea cusickii Piper Cusick's checkermallow Sidalcea hendersonii S. Wats. Henderson's checkermallow Sidalcea hirtipes C.L. Hitchc. bristlystem checkermallow Sidalcea malviflora (DC.) Gray ex Benth. dwarf checkermallow Sidalcea malviflora ssp. asprella (Greene) C.L. Hitchc. dwarf checkermallow Sidalcea malviflora ssp. elegans (Greene) C.L. Hitchc. dwarf checkermallow Sidalcea malviflora ssp. malviflora (DC.) Gray ex Benth. dwarf checkermallow Sidalcea malviflora ssp. nana (Jepson) C.L. Hitchc. dwarf checkermallow Sidalcea malviflora ssp. patula C.L. Hitchc. dwarf checkermallow Sidalcea malviflora ssp. virgata (T.J. Howell) C.L. Hitchc. dwarf checkermallow Sidalcea multifida Greene cutleaf checkermallow Sidalcea nelsoniana Piper Nelson's checkermallow Sidalcea neomexicana Gray New Mexico checkermallow Sidalcea neomexicana ssp. crenulata (A. Nels.) C.L. Hitchc. New Mexico checkermallow Sidalcea oregana (Nutt. ex Torr. & Gray) Gray Oregon checkermallow Sidalcea oregana ssp. oregana (Nutt. ex Torr. & Gray) Gray Oregon checkermallow Sidalcea oregana ssp. oregana var. maxima (M.E. Peck) C.L. Hitchc. Oregon checkermallow Sidalcea oregana ssp. oregana var. nevadensis C.L. Hitchc. Nevada checkermallow Sidalcea oregana ssp. oregana var. oregana (Nutt. ex Torr. & Gray) Gray Oregon checkermallow Sidalcea oregana ssp. oregana var. procera C.L. Hitchc. Oregon checkermallow Sidalcea oregana ssp. spicata (Regel) C.L. Hitchc. Oregon checkermallow Sidalcea oregana ssp. valida (Greene) C.L. Hitchc. Oregon checkermallow Sidalcea setosa ssp. setosa C.L. Hitchc. Edgewood checkermallow Sphaeralcea coccinea (Nutt.) Rydb. scarlet globemallow Sphaeralcea coccinea ssp. coccinea (Nutt.) Rydb. scarlet globemallow Sphaeralcea grossulariifolia (Hook. & Arn.) Rydb. gooseberryleaf globemallow Sphaeralcea grossulariifolia ssp. grossulariifolia (Hook. & Arn.) Rydb. gooseberryleaf globemallow Sphaeralcea grossulariifolia ssp. pedata (Torr. ex Gray) Kearney gooseberryleaf globemallow Sphaeralcea munroana (Dougl. ex Lindl.) Spach ex Gray Munro's globemallow Sphaeralcea munroana ssp. munroana (Dougl. ex Lindl.) Spach ex Gray Munro's globemallow Sphaeralcea munroana ssp. subrhomboidea (Rydb.) Kearney whitestem globemallow MARSILEACEAE Marsilea oligospora Goodding Pacific waterclover Marsilea vestita Hook. & Grev. hairy pepperwort Marsilea vestita ssp. vestita Hook. & Grev. hairy pepperwort Pilularia americana A. Braun American pillwort MENYANTHACEAE Menyanthes trifoliata L. common buckbean MOLLUGINACEAE Mollugo verticillata L. green carpetweed MONOTROPACEAE Allotropa virgata Torr. & Gray ex Gray sugarstick Hemitomes congestum Gray coneplant Hypopitys = Monotropa Monotropa hypopithys L. pinesap Monotropa uniflora L. Indianpipe Pityopus californica (Eastw.) Copeland f. California pinefoot Pleuricospora Gray pleuricospora Pleuricospora fimbriolata Gray fringed pinesap Pterospora andromedea Nutt. woodland pinedrops Sarcodes sanguinea Torr. snowplant MYRICACEAE Myrica californica Cham. Pacific bayberry Myrica gale L. sweetgale NAJADACEAE Najas flexilis (Willd.) Rostk. & Schmidt nodding waternymph Najas guadalupensis (Spreng.) Magnus southern waternymph Najas guadalupensis var. guadalupensis (Spreng.) Magnus Guadalupe waternymph NYCTAGINACEAE Abronia latifolia Eschsch. coastal sand verbena Abronia mellifera Dougl. ex Hook. white sand verbena Abronia turbinata Torr. ex S. Wats. transmontane sand verbena Abronia umbellata Lam. pink sand verbena Abronia umbellata ssp. acutalata (Standl.) Tillett pink sand verbena Abronia umbellata ssp. breviflora (Standl.) Munz pink sand verbena Mirabilis bigelovii Gray neakstem four o'clock Mirabilis bigelovii var. retrorsa (Heller) Munz Bigelow's four o'clock Mirabilis macfarlanei Constance & Rollins MacFarlane's four o'clock NYMPHAEACEAE Nuphar lutea (L.) Sm. yellow pondlily Nuphar lutea ssp. polysepala (Engelm.) E.O. Beal Rocky Mountain pondlily Nuphar polysepala Engelm. = Nuphar lutea ssp. polysepala Nymphaea odorata Ait. American white waterlily OLEACEAE Fraxinus latifolia Benth. Oregon ash Fraxinus oregona Nutt. = Fraxinus latifolia ONAGRACEAE Camissonia andina (Nutt.) Raven sundrops eveningprimrose Camissonia boothii (Dougl. ex Lehm.) Raven Booth's eveningprimrose Camissonia boothii ssp. alyssoides (Hook. & Arn.) Raven alyssum eveningprimrose Camissonia boothii ssp. boothii (Dougl. ex Lehm.) Raven Booth's suncup Camissonia cheiranthifolia (Hornem. ex Spreng.) Raimann beach primrose Camissonia cheiranthifolia ssp. cheiranthifolia (Hornem. ex Spreng.) Raimann beach primrose Camissonia claviformis (Torr. & Frem.) Raven browneyes Camissonia claviformis ssp. cruciformis (Kellogg) Raven browneyes Camissonia claviformis ssp. integrior (Raven) Raven browneyes Camissonia contorta (Dougl. ex Lehm.) Kearney plains eveningprimrose Camissonia graciliflora (Hook. & Arn.) Raven slenderflower suncup Camissonia hilgardii (Greene) Raven Hilgard's suncup Camissonia minor (A. Nels.) Raven small eveningprimrose Camissonia ovata (Nutt. ex Torr. & Gray) Raven goldeneggs Camissonia palmeri (S. Wats.) Raven Palmer eveningprimrose Camissonia parvula (Nutt. ex Torr. & Gray) Raven Lewis River suncup Camissonia pterosperma (S. Wats.) Raven wingfruit suncup Camissonia pusilla Raven little wiry suncup Camissonia pygmaea (Dougl. ex Lehm.) Raven dwarf suncup Camissonia scapoidea (Nutt. ex Torr. & Gray) Raven barestem eveningprimrose Camissonia scapoidea ssp. brachycarpa (Raven) Raven Paiute suncup Camissonia scapoidea ssp. scapoidea (Nutt. ex Torr. & Gray) Raven Seorsa eveningprimrose Camissonia subacaulis (Pursh) Raven diffuseflower eveningprimrose Camissonia tanacetifolia (Torr. & Gray) Raven tansyleaf eveningprimrose Camissonia tanacetifolia ssp. tanacetifolia (Torr. & Gray) Raven tansyleaf eveningprimrose Circaea alpina L. small enchanter's nightshade Circaea alpina ssp. alpina L. small enchanter's nightshade Circaea alpina ssp. pacifica (Aschers. & Magnus) Raven small enchanter's nightshade Clarkia amoena (Lehm.) A. Nels. & J.F. Macbr. farewell to spring Clarkia amoena ssp. amoena (Lehm.) A. Nels. & J.F. Macbr. farewell to spring Clarkia amoena ssp. caurina (Abrams ex Piper) H.F. & M.E. Lewis farewell to spring Clarkia gracilis (Piper) A. Nels. & J.F. Macbr. slender fairyfan Clarkia gracilis ssp. gracilis (Piper) A. Nels. & J.F. Macbr. slender fairyfan Clarkia heterandra (Torr.) Lewis & Raven clarkia Clarkia lassenensis (Eastw.) H.F. & M.E. Lewis Mt. Lassen fairyfan Clarkia pulchella Pursh pinkfairies Clarkia purpurea (W. Curtis) A. Nels. & J.F. Macbr. winecup fairyfan Clarkia purpurea ssp. quadrivulnera (Dougl. ex Lindl.) H.F. & M.E. Lewis winecup fairyfan Clarkia purpurea ssp. viminea (Dougl. ex Hook.) H.F. & M.E. Lewis winecup fairyfan Clarkia rhomboidea Dougl. ex Hook. diamond fairyfan Epilobium anagallidifolium Lam. alpine willowherb Epilobium angustifolium L. fireweed Epilobium brachycarpum K. Presl autumn willowweed Epilobium canum (Greene) Raven hummingbird trumpet Epilobium canum ssp. latifolium (Hook.) Raven hummingbird trumpet Epilobium ciliatum Raf. hairy willowherb Epilobium ciliatum ssp. ciliatum Raf. coast willowweed Epilobium ciliatum ssp. glandulosum (Lehm.) Hoch & Raven glandular willowweed Epilobium ciliatum ssp. watsonii (Barbey) Hoch & Raven northern willowherb Epilobium clavatum Trel. clubfruit willowherb Epilobium densiflorum (Lindl.) Hoch & Raven Epilobium foliosum (Torr. & Gray) Suksdorf California willowherb Epilobium glaberrimum Barbey smooth willowweed Epilobium glaberrimum ssp. fastigiatum (Nutt.) Hoch & Raven smooth willowweed Epilobium glaberrimum ssp. glaberrimum Barbey smooth willowweed Epilobium halleanum Hausskn. glandular willowherb Epilobium hornemannii Reichenb. Hornemann's willowherb Epilobium hornemannii ssp. hornemannii Reichenb. Hornemann's willowherb Epilobium lactiflorum Hausskn. milkflower willowweed Epilobium latifolium L. dwarf fireweed Epilobium leptocarpum Hausskn. slenderfruit willowherb Epilobium luteum Pursh yellow willowherb Epilobium minutum Lindl. ex Lehm. small willowweed Epilobium obcordatum Gray heart willowweed Epilobium oreganum Greene Grants Pass willowherb Epilobium oregonense Hausskn. slimstem willowweed Epilobium pallidum (Eastw.) Hoch & Raven Epilobium palustre L. marsh willowherb Epilobium pygmaeum (Speg.) Hoch & Raven Epilobium rigidum Hausskn. stiff willowherb Epilobium siskiyouense (Munz) Hoch & Raven Siskiyou willowherb Epilobium torreyi (S. Wats.) Hoch & Raven Gaura parviflora Dougl. ex Lehm. velvetweed Gayophytum decipiens Lewis & Szweykowski deceptive groundsmoke Gayophytum diffusum Torr. & Gray spreading groundsmoke Gayophytum diffusum ssp. diffusum Torr. & Gray spreading groundsmoke Gayophytum diffusum ssp. parviflorum Lewis & Szweykowski spreading groundsmoke Gayophytum eriospermum Coville Coville's groundsmoke Gayophytum heterozygum Lewis & Szweykowski zigzag groundsmoke Gayophytum humile Juss. dwarf groundsmoke Gayophytum racemosum Torr. & Gray blackfoot groundsmoke Gayophytum ramosissimum Torr. & Gray pinyon groundsmoke Ludwigia palustris (L.) Ell. marsh seedbox Ludwigia uruguayensis (Camb.) Hara Uruguayan primrosewillow Oenothera alyssoides Hook. & Arn. = Camissonia boothii ssp. alyssoides Oenothera andina Nutt. = Camissonia andina Oenothera biennis L. common eveningprimrose Oenothera boothii Dougl. ex Lehm. = Camissonia boothii ssp. boothii Oenothera cespitosa Nutt. tufted eveningprimrose Oenothera cespitosa ssp. cespitosa Nutt. tufted eveningprimrose Oenothera cespitosa ssp. marginata (Nutt. ex Hook. & Arn.) Munz tufted eveningprimrose Oenothera cheiranthifolia Hornem. ex Spreng. = Camissonia cheiranthifolia ssp. cheiranthifolia Oenothera cruciata (S. Wats.) Munz = Camissonia contorta Oenothera cruciformis Kellogg = Camissonia claviformis ssp. cruciformis Oenothera deltoides Torr. & Frem. birdcage eveningprimrose Oenothera deltoides ssp. piperi (Munz) W. Klein Piper's eveningprimrose Oenothera dentata auct. non Cav. = Camissonia contorta Oenothera elata Kunth Hooker's eveningprimrose Oenothera elata ssp. hirsutissima (Gray ex S. Wats.) W. Dietr. Hooker's eveningprimrose Oenothera flava (A. Nels.) Garrett yellow eveningprimrose Oenothera glazioviana Micheli redsepal eveningprimrose Oenothera heterantha Nutt. = Camissonia subacaulis Oenothera hookeri ssp. angustifolia (R.R. Gates) Munz = Oenothera elata ssp. hirsutissima Oenothera minor (A. Nels.) Munz = Camissonia minor Oenothera mollissima L. eveningprimrose Oenothera pallida Lindl. pale eveningprimrose Oenothera pallida ssp. pallida Lindl. pale eveningprimrose Oenothera palmeri S. Wats. = Camissonia palmeri Oenothera scapoidea Nutt. ex Torr. & Gray = Camissonia scapoidea ssp. scapoidea Oenothera villosa Thunb. hairy eveningprimrose Oenothera villosa ssp. strigosa (Rydb.) W. Dietr. & Raven hairy eveningprimrose Oenothera wolfii (Munz) Raven, W. Dietr. & Stubbe Wolf's eveningprimrose Zauschneria = Epilobium canum ssp. latifolium OPHIOGLOSSACEAE Botrychium ascendens W.H. Wagner trianglelobe moonwort Botrychium crenulatum W.H. Wagner scalloped moonwort Botrychium lanceolatum (Gmel.) Angstr. lanceleaf grapefern Botrychium lanceolatum var. lanceolatum (Gmel.) Angstr. lanceleaf grapefern Botrychium lunaria (L.) Sw. common moonwort Botrychium minganense Victorin Mingan moonwort Botrychium montanum W.H. Wagner mountain moonwort Botrychium multifidum (Gmel.) Trev. leathery grapefern Botrychium pedunculosum W.H. Wagner stalked moonwort Botrychium pinnatum St. John northern moonwort Botrychium pumicola Coville ex Underwood Crater Lake grapefern Botrychium simplex E. Hitchc. little grapefern Botrychium virginianum (L.) Sw. rattlesnake fern Ophioglossum pusillum Raf. northern adderstongue ORCHIDACEAE Calypso bulbosa (L.) Oakes fairyslipper orchid Calypso bulbosa var. occidentalis (Holz.) Boivin fairyslipper orchid Cephalanthera austiniae (Gray) Heller phantom orchid Corallorrhiza maculata (Raf.) Raf. spotted coralroot Corallorrhiza mertensiana Bong. Pacific coralroot Corallorrhiza striata Lindl. hooded coralroot Corallorrhiza striata var. striata Lindl. hooded coralroot Corallorrhiza trifida Chatelain yellow coralroot Cypripedium calceolus ssp. parviflorum (Salisb.) Hulten = Cypripedium parviflorum Cypripedium californicum Gray California lady's slipper Cypripedium fasciculatum Kellogg ex S. Wats. clustered lady's slipper Cypripedium montanum Dougl. ex Lindl. mountain lady's slipper Cypripedium parviflorum Salisb. lesser yellow lady's slipper Epipactis gigantea Dougl. ex Hook. giant helleborine Goodyera oblongifolia Raf. western rattlesnake plantain Habenaria = Platanthera Habenaria unalascensis (Spreng.) S. Wats. = Piperia unalascensis Limnorchis = Platanthera Listera borealis Morong northern twayblade Listera caurina Piper northwestern twayblade Listera convallarioides (Sw.) Nutt. ex Ell. broadlipped twayblade Listera cordata (L.) R. Br. ex Ait. f. heartleaf twayblade Piperia elegans (Lindl.) Rydb. hillside bogorchid Piperia elongata Rydb. denseflower rein orchid Piperia elongata ssp. elongata Rydb. denseflower rein orchid Piperia unalascensis (Spreng.) Rydb. Alaska rein orchid Platanthera dilatata (Pursh) Lindl. ex Beck boreal bog orchid Platanthera dilatata var. albiflora (Cham.) Ledeb. scentbottle Platanthera dilatata var. dilatata (Pursh) Lindl. ex Beck scentbottle Platanthera hyperborea (L.) Lindl. northern green orchid Platanthera hyperborea var. gracilis (Lindl.) Luer northern green orchid Platanthera hyperborea var. hyperborea (L.) Lindl. northern green orchid Platanthera leucostachys Lindl. bog orchid Platanthera obtusata (Banks ex Pursh) Lindl. blunt bog orchid Platanthera sparsiflora (S. Wats.) Schlechter canyon bog orchid Platanthera sparsiflora var. sparsiflora (S. Wats.) Schlechter canyon bog orchid Platanthera stricta Lindl. Modoc bog orchid Platanthera unalascensis (Spreng.) Kurtz = Piperia unalascensis Spiranthes porrifolia Lindl. creamy ladiestresses Spiranthes romanzoffiana Cham. hooded ladiestresses OROBANCHACEAE Boschniakia hookeri Walp. Vancouver groundcone Boschniakia strobilacea Gray California groundcone Conopholis ludoviciana (Nutt.) Wood = Orobanche ludoviciana ssp. ludoviciana Orobanche californica Cham. & Schlecht. California broomrape Orobanche californica ssp. grayana (G. Beck) Heckard Gray's broomrape Orobanche corymbosa (Rydb.) Ferris flattop broomrape Orobanche corymbosa ssp. corymbosa (Rydb.) Ferris flattop broomrape Orobanche fasciculata Nutt. clustered broomrape Orobanche ludoviciana Nutt. Louisiana broomrape Orobanche ludoviciana ssp. ludoviciana Nutt. sand broomrape Orobanche pinorum Geyer ex Hook. conifer broomrape Orobanche uniflora L. oneflowered broomrape OXALIDACEAE Oxalis acetosella ssp. oregana (Nutt.) D. Love = Oxalis oregana Oxalis corniculata L. creeping woodsorrel Oxalis dillenii Jacq. Dillen's oxalis Oxalis oregana Nutt. Oregon oxalis Oxalis suksdorfii Trel. Suksdorf woodsorrel Oxalis trilliifolia Hook. threeleaf woodsorrel Oxalis violacea L. violet woodsorrel PAEONIACEAE Paeonia brownii Dougl. ex Hook. Brown's peony PAPAVERACEAE Argemone hispida Gray rough pricklypoppy Argemone munita Dur. & Hilg. flatbud pricklypoppy Argemone munita ssp. rotundata (Rydb.) G.B. Ownbey flatbud pricklypoppy Argemone platyceras var. hispida (Gray) Prain = Argemone hispida Canbya aurea S. Wats. golden pygmypoppy Eschscholzia caespitosa Benth. tufted poppy Eschscholzia californica Cham. California poppy Eschscholzia californica ssp. californica Cham. California poppy Eschscholzia hypecoides Benth. San Benito goldenpoppy Glaucium flavum Crantz yellow hornpoppy Meconella oregana Nutt. white fairypoppy Papaver rhoeas L. corn poppy Papaver somniferum L. opium poppy Platystemon Benth. platystemon Platystemon arizonicus Greene = Platystemon californicus Platystemon californicus Benth. California creamcups PHYTOLACCACEAE Phytolacca americana L. (?) American pokeweed PINACEAE Abies X shastensis (Lemmon) Lemmon Shasta red fir Abies amabilis (Dougl. ex Loud.) Dougl. ex Forbes Pacific silver fir Abies concolor (Gord. & Glend.) Lindl. ex Hildebr. white fir Abies concolor var. concolor (Gord. & Glend.) Lindl. ex Hildebr. white fir Abies concolor var. lowiana (Gord. & Glend.) Lemmon white fir Abies grandis (Dougl. ex D. Don) Lindl. grand fir Abies lasiocarpa (Hook.) Nutt. subalpine fir Abies lasiocarpa var. lasiocarpa (Hook.) Nutt. subalpine fir Abies magnifica A. Murr. California red fir Abies procera Rehd. noble fir Larix occidentalis Nutt. western larch Picea breweriana S. Wats. Brewer's spruce Picea engelmannii Parry ex Engelm. Engelmann's spruce Picea sitchensis (Bong.) Carr. Sitka spruce Pinus albicaulis Engelm. whitebark pine Pinus attenuata Lemmon knobcone pine Pinus contorta Dougl. ex Loud. lodgepole pine Pinus contorta var. contorta Dougl. ex Loud. lodgepole pine Pinus contorta var. latifolia Engelm. ex S. Wats. tall lodgepole pine Pinus contorta var. murrayana (Grev. & Balf.) Engelm. Murray lodgepole pine Pinus flexilis James limber pine Pinus jeffreyi Grev. & Balf. Jeffrey pine Pinus lambertiana Dougl. sugar pine Pinus monticola Dougl. ex D. Don western white pine Pinus ponderosa P.& C. Lawson ponderosa pine Pinus ponderosa var. ponderosa P.& C. Lawson ponderosa pine Pinus washoensis Mason & Stockwell Washoe pine Pseudotsuga menziesii (Mirbel) Franco Douglas fir Pseudotsuga menziesii var. glauca (Beissn.) Franco Rocky Mountain Douglas fir Pseudotsuga menziesii var. menziesii (Mirbel) Franco Douglas fir Tsuga heterophylla (Raf.) Sarg. western hemlock Tsuga mertensiana (Bong.) Carr. mountain hemlock PLANTAGINACEAE Plantago aristata Michx. largebracted plantain Plantago bigelovii Gray annual coastal plantain Plantago coronopus L. buckhorn plantain Plantago elongata Pursh longleaf plantain Plantago elongata ssp. elongata Pursh prairie plantain Plantago erecta Morris dwarf plantain Plantago eriopoda Torr. redwool plantain Plantago lanceolata L. narrowleaf plantain Plantago major L. common plantain Plantago major var. intermedia (DC.) Pilger intermediate plantain Plantago major var. major L. common plantain Plantago major var. pachyphylla Pilger thickleaf plantain Plantago major var. pilgeri Domin Pilger's plantain Plantago maritima L. goose tongue Plantago maritima var. californica (Fern.) Pilger California goose tongue Plantago maritima var. juncoides (Lam.) Gray goose tongue Plantago patagonica Jacq. woolly plantain Plantago psyllium L. whorled plantain Plantago pusilla Nutt. dwarf plantain Plantago subnuda Pilger tall coastal plantain Plantago virginica L. Virginia plantain PLUMBAGINACEAE Armeria maritima (P. Mill.) Willd. thrift seapink Armeria maritima ssp. californica (Boiss.) Porsild California seapink Armeria maritima ssp. purpurea (W.D.J. Koch) A.& D. Love sea thrift Limonium californicum (Boiss.) Heller California sealavender POLEMONIACEAE Allophyllum gilioides (Benth.) A.& V. Grant dense false gilyflower Allophyllum gilioides ssp. gilioides (Benth.) A.& V. Grant dense false gilyflower Collomia debilis (S. Wats.) Greene alpine mountaintrumpet Collomia debilis var. debilis (S. Wats.) Greene alpine mountaintrumpet Collomia debilis var. trifida Payson alpine mountaintrumpet Collomia grandiflora Dougl. ex Lindl. largeflower mountaintrumpet Collomia heterophylla Dougl. ex Hook. variableleaf mountaintrumpet Collomia larsenii Gray Collomia linearis Nutt. narrowleaf mountaintrumpet Collomia macrocalyx Leib. ex Brand bristleflower mountaintrumpet Collomia mazama Coville Mt. Mazama mountaintrumpet Collomia renacta E. Joyal Barren Valley mountaintrumpet Collomia tenella Gray diffuse mountaintrumpet Collomia tinctoria Kellogg yellowstaining mountaintrumpet Eriastrum sparsiflorum (Eastw.) Mason Great Basin woolstar Eriastrum sparsiflorum ssp. sparsiflorum (Eastw.) Mason Great Basin woolstar Eriastrum wilcoxii (A. Nels.) Mason Wilcox's woolstar Gilia aggregata (Pursh) Spreng. = Ipomopsis aggregata ssp. aggregata Gilia capillaris Kellogg miniature gilia Gilia capitata Sims bluehead gilia Gilia capitata ssp. capitata Sims bluehead gilia Gilia capitata ssp. chamissonis (Greene) V. Grant bluehead gilia Gilia capitata ssp. pacifica V. Grant Pacific gilia Gilia congesta Hook. = Ipomopsis congesta ssp. congesta Gilia gracilis Hook. = Phlox gracilis ssp. gracilis Gilia inconspicua (Sm.) Sweet shy gilia Gilia leptalea (Gray) Greene Bridges' gilia Gilia leptomeria Gray sand gilia Gilia micromeria Gray dainty gilia Gilia millefoliata Fisch. & C.A. Mey. manyleaf gilia Gilia nuttallii Gray = Linanthus nuttallii ssp. nuttallii Gilia ochroleuca M.E. Jones volcanic gilia Gilia salticola Eastw. salt gilia Gilia sinuata Dougl. ex Benth. rosy gilia Gilia tenerrima Gray delicate gilia Gilia transmontana (Mason & A. Grant) A.& V. Grant transmontane gilia Gilia tweedyi Rydb. Tweedy's gila Gymnosteris nudicaulis (Hook. & Arn.) Greene nakedstem gymnosteris Gymnosteris parvula Heller smallflower gymnosteris Ipomopsis aggregata (Pursh) V. Grant skyrocket gilia Ipomopsis aggregata ssp. aggregata (Pursh) V. Grant skyrocket gilia Ipomopsis congesta (Hook.) V. Grant ballhead gilia Ipomopsis congesta ssp. congesta (Hook.) V. Grant ballhead gilia Ipomopsis congesta ssp. montana (A. Nels. & Kennedy) V. Grant mountain ballhead gilia Ipomopsis congesta ssp. palmifrons (Brand) Day ballhead gilia Ipomopsis congesta ssp. viridis (Cronq.) Day ballhead gilia Ipomopsis minutiflora (Benth.) V. Grant littleflower gilia Ipomopsis polycladon (Torr.) V. Grant manybranched gilia Langloisia setosissima (Torr. & Gray ex Torr.) Greene moth langloisia Langloisia setosissima ssp. punctata (Gray ex Coville) Timbrook Great Basin langloisia Langloisia setosissima ssp. setosissima (Torr. & Gray ex Torr.) Greene Great Basin langloisia Leptodactylon pungens (Torr.) Torr. ex Nutt. granite pricklygilia Linanthus bicolor (Nutt.) Greene true babystars Linanthus bicolor ssp. bicolor (Nutt.) Greene true babystars Linanthus bicolor ssp. minimus Mason true babystars Linanthus bolanderi (Gray) Greene Bolander's deserttrumpets Linanthus ciliatus (Benth.) Greene whiskerbrush Linanthus harknessii (Curran) Greene Harkness' flaxflower Linanthus harknessii ssp. harknessii (Curran) Greene Harkness' flaxflower Linanthus liniflorus (Benth.) Greene narrowflower flaxflower Linanthus liniflorus ssp. pharnaceoides (Benth.) Mason lighthouse flaxflower Linanthus nuttallii (Gray) Greene ex Milliken Nuttall's deserttrumpets Linanthus nuttallii ssp. nuttallii (Gray) Greene ex Milliken Nuttall's deserttrumpets Linanthus septentrionalis Mason northern linanthus Navarretia atractyloides (Benth.) Hook. & Arn. hollyleaf pincushionplant Navarretia breweri (Gray) Greene Brewer's navarretia Navarretia divaricata (Torr. ex Gray) Greene divaricate navarretia Navarretia divaricata ssp. divaricata (Torr. ex Gray) Greene divaricate navarretia Navarretia heterandra Mason Tehama pincushionplant Navarretia intertexta (Benth.) Hook. needleleaf navarretia Navarretia intertexta ssp. intertexta (Benth.) Hook. needleleaf navarretia Navarretia intertexta ssp. propinqua (Suksdorf) Day near navarretia Navarretia leucocephala Benth. whitehead navarretia Navarretia leucocephala ssp. leucocephala Benth. whitehead navarretia Navarretia leucocephala ssp. minima (Nutt.) Day least navarretia Navarretia squarrosa (Eschsch.) Hook. & Arn. skunkbush Navarretia tagetina Greene marigold pincushionplant Phlox aculeata A. Nels. sagebrush phlox Phlox adsurgens Torr. ex Gray northern phlox Phlox austromontana Coville desert phlox Phlox caespitosa Nutt. tufted phlox Phlox colubrina Wherry & Constance Snake River phlox Phlox diffusa Benth. spreading phlox Phlox diffusa ssp. diffusa Benth. spreading phlox Phlox diffusa ssp. longistylis Wherry spreading phlox Phlox diffusa ssp. scleranthifolia (Rydb.) Wherry spreading phlox Phlox diffusa ssp. subcarinata Wherry spreading phlox Phlox gracilis (Hook.) Greene slender phlox Phlox gracilis ssp. gracilis (Hook.) Greene slender phlox Phlox gracilis ssp. humilis (Greene) Mason dwarf phlox Phlox hendersonii (E. Nels.) Cronq. Henderson's phlox Phlox hoodii Richards. spiny phlox Phlox hoodii ssp. canescens (Torr. & Gray) Wherry carpet phlox Phlox hoodii ssp. lanata (Piper) Munz carpet phlox Phlox hoodii ssp. muscoides (Nutt.) Wherry musk phlox Phlox longifolia Nutt. longleaf phlox Phlox longifolia ssp. longifolia Nutt. longleaf phlox Phlox mollis Wherry soft phlox Phlox multiflora A. Nels. flowery phlox Phlox multiflora ssp. depressa (E. Nels.) Wherry Rocky Mountain phlox Phlox peckii Wherry Peck's phlox Phlox pulvinata (Wherry) Cronq. cushion phlox Phlox rigida Benth. stiff phlox Phlox speciosa Pursh showy phlox Phlox speciosa ssp. lanceolata (E. Nels.) Wherry showy phlox Phlox speciosa ssp. lignosa Brand showy phlox Phlox speciosa ssp. nitida (Suksdorf) Wherry showy phlox Phlox speciosa ssp. occidentalis (Dur. ex Torr.) Wherry showy phlox Phlox speciosa ssp. speciosa Pursh showy phlox Phlox viridis E. Nels. green phlox Phlox viridis ssp. compacta (Brand) Wherry green phlox Phlox viridis ssp. longipes (M.E. Jones) Wherry green phlox Phlox viscida E. Nels. sticky phlox Polemonium acutiflorum Willd. ex Roemer & J.A. Schultes tall Jacobsladder Polemonium californicum Eastw. moving polemonium Polemonium carneum Gray royal Jacobsladder Polemonium elegans Greene elegant Jacobsladder Polemonium micranthum Benth. annual polemonium Polemonium occidentale Greene western polemonium Polemonium occidentale ssp. occidentale Greene western polemonium Polemonium pulcherrimum Hook. skunkleaf polemonium Polemonium pulcherrimum ssp. pulcherrimum Hook. pretty Jacobsladder Polemonium viscosum Nutt. sticky polemonium POLYGALACEAE Polygala californica Nutt. California milkwort POLYGONACEAE Chorizanthe brevicornu Torr. brittle spineflower Chorizanthe brevicornu var. spathulata (Small ex Rydb.) C.L. Hitchc. brittle spineflower Chorizanthe membranacea Benth. pink spineflower Chorizanthe watsonii Torr. & Gray fivetooth spineflower Eriogonum baileyi S. Wats. Bailey's buckwheat Eriogonum baileyi var. baileyi S. Wats. Bailey's buckwheat Eriogonum baileyi var. praebens (Gandog.) Reveal Bailey's buckwheat Eriogonum brachyanthum Coville shortflower buckwheat Eriogonum brevicaule Nutt. shortstem buckwheat Eriogonum brevicaule var. laxifolium (Torr. & Gray) Reveal shortstem buckwheat Eriogonum caespitosum Nutt. matted buckwheat Eriogonum cernuum Nutt. nodding buckwheat Eriogonum cernuum var. viminale (S. Stokes) Reveal nodding buckwheat Eriogonum chrysops Rydb. bitterroot buckwheat Eriogonum compositum Dougl. ex Benth. arrowleaf buckwheat Eriogonum compositum var. compositum Dougl. ex Benth. arrowleaf buckwheat Eriogonum compositum var. leianthum Hook. arrowleaf buckwheat Eriogonum crosbyae Reveal Crosby's buckwheat Eriogonum cusickii M.E. Jones Cusick's buckwheat Eriogonum diclinum Reveal Jaynes Canyon buckwheat Eriogonum douglasii Benth. Douglas' buckwheat Eriogonum douglasii var. douglasii Benth. Douglas' buckwheat Eriogonum douglasii var. sublineare (S. Stokes) Reveal Douglas' buckwheat Eriogonum elatum Dougl. ex Benth. tall woolly buckwheat Eriogonum elatum var. elatum Dougl. ex Benth. tall woolly buckwheat Eriogonum elatum var. villosum Jepson tall woolly buckwheat Eriogonum flavum Nutt. yellow eriogonum Eriogonum flavum var. piperi (Greene) M.E. Jones Piper's golden buckwheat Eriogonum heracleoides Nutt. parsnipflower buckwheat Eriogonum heracleoides var. angustifolium (Nutt.) Torr. & Gray parsnipflower buckwheat Eriogonum heracleoides var. heracleoides Nutt. parsnipflower buckwheat Eriogonum hirtellum J.T. Howell & Bacig. Klamath Mountain buckwheat Eriogonum incanum Torr. & Gray frosted buckwheat Eriogonum kingii Torr. & Gray Ruby Mountain buckwheat Eriogonum latifolium Sm. seaside buckwheat Eriogonum lobbii Torr. & Gray granite buckwheat Eriogonum lobbii var. lobbii Torr. & Gray Lobb's buckwheat Eriogonum luteolum Greene goldencarpet buckwheat Eriogonum maculatum Heller spotted buckwheat Eriogonum marifolium Torr. & Gray marumleaf buckwheat Eriogonum microthecum Nutt. slender buckwheat Eriogonum microthecum var. laxiflorum Hook. slender buckwheat Eriogonum microthecum var. microthecum Nutt. slender buckwheat Eriogonum nidularium Coville birdnest buckwheat Eriogonum niveum Dougl. ex Benth. snow buckwheat Eriogonum novonudum M.E. Peck falsenaked buckwheat Eriogonum nudum Dougl. ex Benth. naked buckwheat Eriogonum nudum var. nudum Dougl. ex Benth. naked buckwheat Eriogonum nudum var. oblongifolium S. Wats. naked buckwheat Eriogonum nudum var. pubiflorum Benth. naked buckwheat Eriogonum nutans Torr. & Gray Dugway buckwheat Eriogonum nutans var. nutans Torr. & Gray Dugway buckwheat Eriogonum ochrocephalum S. Wats. whitewoolly buckwheat Eriogonum ochrocephalum var. calcareum (S. Stokes) M.E. Peck whitewoolly buckwheat Eriogonum ochrocephalum var. ochrocephalum S. Wats. whitewoolly buckwheat Eriogonum ovalifolium Nutt. cushion buckwheat Eriogonum ovalifolium var. depressum Blank. cushion buckwheat Eriogonum ovalifolium var. nivale (Canby) M.E. Jones cushion buckwheat Eriogonum ovalifolium var. ochroleucum (Small ex Rydb.) M.E. Peck cushion buckwheat Eriogonum ovalifolium var. ovalifolium Nutt. cushion buckwheat Eriogonum ovalifolium var. purpureum (Nutt.) Dur. cushion buckwheat Eriogonum ovalifolium var. vineum (Small) Jepson cushion buckwheat Eriogonum pendulum S. Wats. Waldo buckwheat Eriogonum prociduum Reveal prostrate buckwheat Eriogonum pusillum Torr. & Gray yellowturbans Eriogonum pyrolifolium Hook. Shasta buckwheat Eriogonum pyrolifolium var. coryphaeum Torr. & Gray Shasta buckwheat Eriogonum pyrolifolium var. pyrolifolium Hook. Shasta buckwheat Eriogonum roseum Dur. & Hilg. wand buckwheat Eriogonum salicornioides Gandog. saltwort buckwheat Eriogonum scopulorum Reveal cliff buckwheat Eriogonum spergulinum Gray spurry buckwheat Eriogonum spergulinum var. reddingianum (M.E. Jones) J.T. Howell Redding buckwheat Eriogonum sphaerocephalum Dougl. ex Benth. rock buckwheat Eriogonum sphaerocephalum var. halimioides S. Stokes rock buckwheat Eriogonum sphaerocephalum var. sphaerocephalum Dougl. ex Benth. rock buckwheat Eriogonum strictum Benth. Blue Mountain buckwheat Eriogonum strictum ssp. proliferum (Torr. & Gray) S. Stokes Blue Mountain buckwheat Eriogonum strictum ssp. proliferum var. anserinum (Greene) R.J. Davis Blue Mountain buckwheat Eriogonum strictum ssp. proliferum var. proliferum (Torr. & Gray) C.L. Hitchc. Blue Mountain buckwheat Eriogonum strictum ssp. strictum Benth. Blue Mountain buckwheat Eriogonum ternatum T.J. Howell ternate buckwheat Eriogonum thymoides Benth. thymeleaf buckwheat Eriogonum umbellatum Torr. sulphur wildbuckwheat Eriogonum umbellatum var. aureum (Gandog.) Reveal sulphurflower buckwheat Eriogonum umbellatum var. dichrocephalum Gandog. sulphurflower buckwheat Eriogonum umbellatum var. glaberrimum (Gandog.) Reveal sulphurflower buckwheat Eriogonum umbellatum var. hausknechtii (Dammer) M.E. Jones Hausknecht's buckwheat Eriogonum umbellatum var. majus Hook. sulphurflower buckwheat Eriogonum umbellatum var. nevadense Gandog. Nevada buckwheat Eriogonum umbellatum var. polyanthum (Benth.) M.E. Jones sulphurflower buckwheat Eriogonum umbellatum var. stellatum (Benth.) M.E. Jones sulphurflower buckwheat Eriogonum umbellatum var. torreyanum (Gray) M.E. Jones Torrey buckwheat Eriogonum umbellatum var. umbellatum Torr. sulphurflower buckwheat Eriogonum ursinum S. Wats. Bear Valley buckwheat Eriogonum vimineum Dougl. ex Benth. wickerstem buckwheat Eriogonum watsonii Torr. & Gray Watson's buckwheat Fagopyrum esculentum Moench fagopyrum Oxyria digyna (L.) Hill alpine mountainsorrel Oxytheca dendroidea Nutt. narrowleaf oxytheca Polygonum achoreum Blake leathery knotweed Polygonum amphibium L. water knotweed Polygonum amphibium var. emersum Michx. longroot smartweed Polygonum amphibium var. stipulaceum Coleman water smartweed Polygonum aviculare L. prostrate knotweed Polygonum bellardii All. narrowleaf knotweed Polygonum bistortoides Pursh American bistort Polygonum buxiforme Small box knotweed Polygonum californicum Meisn. California knotweed Polygonum cascadense W.H. Baker Cascade knotweed Polygonum convolvulus L. black bindweed Polygonum cuspidatum Sieb. & Zucc. Japanese knotweed Polygonum davisiae Brewer ex Gray Davis' knotweed Polygonum douglasii Greene Douglas' knotweed Polygonum douglasii ssp. austiniae (Greene) E. Murr. Austin knotweed Polygonum douglasii ssp. douglasii Greene Douglas' knotweed Polygonum douglasii ssp. johnstonii (Munz) Hickman Johnston's knotweed Polygonum douglasii ssp. majus (Meisn.) Hickman large knotweed Polygonum douglasii ssp. nuttallii (Small) Hickman Nuttall's knotweed Polygonum douglasii ssp. spergulariiforme (Meisn. ex Small) Hickman scatter knotweed Polygonum erectum L. erect knotweed Polygonum fowleri B.L. Robins. Fowler's knotweed Polygonum heterosepalum M.E. Peck & Ownbey oddsepal knotweed Polygonum hydropiper L. marshpepper knotweed Polygonum hydropiperoides Michx. swamp smartweed Polygonum lapathifolium L. curlytop knotweed Polygonum lapathifolium var. lapathifolium L. curlytop knotweed Polygonum lapathifolium var. salicifolium Sibthorp curlytop knotweed Polygonum minimum S. Wats. broadleaf knotweed Polygonum newberryi Small Newberry's knotweed Polygonum paronychia Cham. & Schlecht. beach knotweed Polygonum parryi Greene Parry's knotweed Polygonum perfoliatum L. Asiatic tearthumb Polygonum persicaria L. spotted ladysthumb Polygonum phytolaccifolium Meisn. ex Small poke knotweed Polygonum polygaloides Wallich ex Meisn. polygala knotweed Polygonum polygaloides ssp. confertiflorum (Nutt. ex Piper) Hickman fruitleaf knotweed Polygonum polygaloides ssp. esotericum (L.C. Wheeler) Hickman whitemargin knotweed Polygonum polygaloides ssp. kelloggii (Greene) Hickman Kellogg's knotweed Polygonum polygaloides ssp. polygaloides Wallich ex Meisn. fruitleaf knotweed Polygonum polystachyum Wallich ex Meisn. cultivated knotweed Polygonum punctatum Ell. dotted smartweed Polygonum ramosissimum Michx. bushy knotweed Polygonum ramosissimum var. prolificum Small bushy knotweed Polygonum sachalinense F. Schmidt ex Maxim. giant knotweed Polygonum shastense Brewer ex Gray Shasta knotweed Polygonum viviparum L. alpine bistort Pterostegia drymarioides Fisch. & C.A. Mey. woodland pterostegia Rumex X acutus L. (pro sp.) acute dock Rumex acetosa L. garden sorrel Rumex acetosa ssp. acetosa L. garden sorrel Rumex acetosella L. common sheep sorrel Rumex aquaticus L. western dock Rumex aquaticus var. fenestratus (Greene) Dorn western dock Rumex conglomeratus Murr. clustered dock Rumex crispus L. curly dock Rumex dentatus L. toothed dock Rumex maritimus L. golden dock Rumex obtusifolius L. bitter dock Rumex paucifolius Nutt. fewleaved dock Rumex paucifolius ssp. gracilescens (Rech. f.) Rech. f. alpine sheep sorrel Rumex paucifolius ssp. paucifolius Nutt. fewleaved dock Rumex pulcher L. fiddle dock Rumex salicifolius Weinm. willow dock Rumex salicifolius var. crassus (Rech. f.) J.T. Howell willow dock Rumex salicifolius var. denticulatus Torr. toothed willow dock Rumex salicifolius var. lacustris (Greene) Hickman lake willow dock Rumex salicifolius var. mexicanus (Meisn.) C.L. Hitchc. Mexican dock Rumex salicifolius var. transitorius (Rech. f.) Hickman willow dock Rumex sanguineus L. redvein dock Rumex venosus Pursh veiny dock POLYPODIACEAE Polypodium amorphum Suksdorf irregular polypody Polypodium glycyrrhiza D.C. Eat. licorice fern Polypodium hesperium Maxon western polypody Polypodium scouleri Hook. & Grev. leathery polypody Polypodium vulgare ssp. columbianum (Gilbert) Hulten = Polypodium hesperium Polypodium vulgare et al = Polypodium glycyrrhiza PONTEDERIACEAE Heteranthera dubia (Jacq.) MacM. grassleaf mudplantain PORTULACACEAE Calandrinia ciliata (Ruiz & Pavon) DC. fringed redmaids Cistanthe rosea (S. Wats.) Hershkovitz rosy pussypaws Cistanthe umbellata (Torr.) Hershkovitz Mt. Hood pussypaws Claytonia arenicola Henderson sand springbeauty Claytonia cordifolia S. Wats. heartleaf springbeauty Claytonia exigua Torr. & Gray Claytonia exigua ssp. exigua Torr. & Gray Claytonia heterophylla (Torr. & Gray) Swanson variableleaf springbeauty Claytonia lanceolata Pursh lanceleaf springbeauty Claytonia lanceolata var. lanceolata Pursh lanceleaf springbeauty Claytonia lanceolata var. sessilifolia (Torr.) A. Nels. lanceleaf springbeauty Claytonia megarhiza (Gray) Parry ex S. Wats. alpine springbeauty Claytonia megarhiza var. bellidifolia (Rydb.) C.L. Hitchc. alpine springbeauty Claytonia nevadensis S. Wats. Sierran springbeauty Claytonia parviflora Dougl. ex Hook. streambank springbeauty Claytonia perfoliata Donn ex Willd. miner's lettuce Claytonia perfoliata ssp. perfoliata Donn ex Willd. miner's lettuce Claytonia perfoliata ssp. perfoliata var. perfoliata Donn ex Willd. miner's lettuce Claytonia rubra (T.J. Howell) Tidestrom redstem springbeauty Claytonia sibirica L. Siberian springbeauty Claytonia sibirica var. bulbifera Gray Siberian springbeauty Claytonia sibirica var. sibirica L. Siberian springbeauty Claytonia spathulata Dougl. ex Hook. pale springbeauty Claytonia spathulata var. spathulata Dougl. ex Hook. pale springbeauty Claytonia umbellata S. Wats. Great Basin springbeauty Lewisia columbiana (T.J. Howell ex Gray) B.L. Robins. Columbian bitterroot Lewisia columbiana var. columbiana (T.J. Howell ex Gray) B.L. Robins. Columbian bitterroot Lewisia columbiana var. rupicola (English) C.L. Hitchc. Columbian bitterroot Lewisia columbiana var. wallowensis C.L. Hitchc. Wallowa lewisia Lewisia cotyledon (S. Wats.) B.L. Robins. Siskiyou bitterroot Lewisia cotyledon var. cotyledon (S. Wats.) B.L. Robins. Siskiyou bitterroot Lewisia cotyledon var. howellii (S. Wats.) Jepson Howell's bitterroot Lewisia leeana (Porter) B.L. Robins. Lee's bitterroot Lewisia nevadensis (Gray) B.L. Robins. Nevada bitterroot Lewisia oppositifolia (S. Wats.) B.L. Robins. oppositeleaf bitterroot Lewisia pygmaea (Gray) B.L. Robins. pigmy bitterroot Lewisia rediviva Pursh Oregon bitterroot Lewisia rediviva var. rediviva Pursh Oregon bitterroot Lewisia triphylla (S. Wats.) B.L. Robins. threeleaf lewisia Montia chamissoi (Ledeb. ex Spreng.) Greene water minerslettuce Montia cordifolia (S. Wats.) Pax & K. Hoffmann = Claytonia cordifolia Montia dichotoma (Nutt.) T.J. Howell dwarf minerslettuce Montia diffusa (Nutt.) Greene spreading minerslettuce Montia fontana L. annual water minerslettuce Montia fontana ssp. fontana L. annual water minerslettuce Montia heterophylla (Torr. & Gray) Jepson = Claytonia heterophylla Montia howellii S. Wats. Howell's minerslettuce Montia linearis (Dougl. ex Hook.) Greene narrowleaf minerslettuce Montia parvifolia (Moc. ex DC.) Greene littleleaf minerslettuce Montia parvifolia ssp. flagellaris (Bong.) Ferris littleleaf minerslettuce Montia parvifolia ssp. parvifolia (Moc. ex DC.) Greene littleleaf minerslettuce Montia perfoliata (Donn ex Willd.) T.J. Howell = Claytonia perfoliata ssp. perfoliata Montia sibirica (L.) T.J. Howell = Claytonia sibirica var. sibirica Montia spathulata (Dougl. ex Hook.) T.J. Howell = Claytonia spathulata Portulaca oleracea L. little hogweed Talinum pygmaeum Gray = Lewisia pygmaea Talinum spinescens Torr. spiny fameflower POTAMOGETONACEAE Potamogeton alpinus Balbis alpine pondweed Potamogeton amplifolius Tuckerman largeleaf pondweed Potamogeton crispus L. curly pondweed Potamogeton diversifolius Raf. waterthread pondweed Potamogeton epihydrus Raf. ribbonleaf pondweed Potamogeton filiformis Pers. fineleaf pondweed Potamogeton foliosus Raf. leafy pondweed Potamogeton foliosus var. foliosus Raf. leafy pondweed Potamogeton gramineus L. variableleaf pondweed Potamogeton illinoensis Morong Illinois pondweed Potamogeton latifolius (J.W. Robbins) Morong broadleaf pondweed Potamogeton natans L. floating pondweed Potamogeton nodosus Poir. longleaf pondweed Potamogeton pectinatus L. sago pondweed Potamogeton praelongus Wulfen whitestem pondweed Potamogeton pusillus L. small pondweed Potamogeton pusillus var. pusillus L. small pondweed Potamogeton pusillus var. tenuissimus Mert. & Koch small pondweed Potamogeton richardsonii (Benn.) Rydb. Richardson's pondweed Potamogeton robbinsii Oakes Robbins' pondweed Potamogeton vaginatus Turcz. sheathed pondweed Potamogeton zosteriformis Fern. flatstem pondweed PRIMULACEAE Anagallis arvensis L. scarlet pimpernel Anagallis minima (L.) Krause chaffweed Androsace elongata L. California rockjasmine Androsace septentrionalis L. pygmyflower rockjasmine Androsace septentrionalis ssp. subumbellata (A. Nels.) G.T. Robbins pygmyflower rockjasmine Dodecatheon alpinum (Gray) Greene alpine shootingstar Dodecatheon austrofrigidum sp. nov. ined. tundra shootingstar Dodecatheon conjugens Greene Bonneville shootingstar Dodecatheon conjugens var. conjugens Greene Bonneville shootingstar Dodecatheon dentatum Hook. white shootingstar Dodecatheon hendersonii Gray mosquito bills Dodecatheon hendersonii ssp. hendersonii Gray Henderson's shootingstar Dodecatheon jeffreyi Van Houtte tall mountain shootingstar Dodecatheon jeffreyi ssp. jeffreyi Van Houtte Jeffrey's shootingstar Dodecatheon meadia L. pride of Ohio Dodecatheon meadia ssp. meadia L. pride of Ohio Dodecatheon poeticum Henderson poet's shootingstar Dodecatheon pulchellum (Raf.) Merr. darkthroat shootingstar Dodecatheon pulchellum ssp. cusickii (Greene) Calder & Taylor Cusick's shootingstar Dodecatheon pulchellum ssp. macrocarpum (Gray) Taylor & MacBryde darkthroat shootingstar Dodecatheon pulchellum ssp. monanthum (Greene ex R. Knuth) H.J. Thompson ex Munz darkthroat shootingstar Dodecatheon pulchellum ssp. pulchellum (Raf.) Merr. darkthroat shootingstar Douglasia laevigata Gray cliff dwarfprimrose Douglasia laevigata var. ciliolata Constance cliff dwarfprimrose Douglasia laevigata var. laevigata Gray cliff dwarfprimrose Glaux maritima L. sea milkwort Lysimachia ciliata L. fringed loosestrife Lysimachia hybrida Michx. lowland yellow loosestrife Lysimachia nummularia L. creeping jenny Lysimachia punctata L. large yellow loosestrife Lysimachia terrestris (L.) B.S.P. earth loosestrife Lysimachia thyrsiflora L. tufted loosestrife Primula cusickiana (Gray) Gray Cusick's primrose Trientalis borealis Raf. American starflower Trientalis borealis ssp. latifolia (Hook.) Hulten broadleaf starflower Trientalis europaea L. arctic starflower Trientalis europaea ssp. arctica (Fisch. ex Hook.) Hulten arctic starflower PTERIDACEAE Adiantum aleuticum (Rupr.) Paris Aleutian maidenhair Adiantum jordanii C. Muell. California maidenhair Adiantum pedatum L. northern maidenhair Aspidotis densa (Brack.) Lellinger Indian's dream Cheilanthes feei T. Moore slender lipfern Cheilanthes gracillima D.C. Eat. lace lipfern Cheilanthes intertexta (Maxon) Maxon coastal lipfern Cryptogramma acrostichoides R. Br. American rockbrake Cryptogramma stelleri (Gmel.) Prantl fragile rockbrake Pellaea andromedifolia (Kaulfuss) Fee coffee cliffbrake Pellaea brachyptera (T. Moore) Baker Sierran cliffbrake Pellaea breweri D.C. Eat. Brewer's cliffbrake Pellaea bridgesii Hook. Bridges' cliffbrake Pentagrama Yatskievych, Windham & Wollenweber gold fern Pentagrama triangularis (Kaulfuss) Yatskievych, Windham & Wollenweber western goldfern Pentagrama triangularis ssp. triangularis (Kaulfuss) Yatskievych, Windham & Wollenweber western goldfern RANUNCULACEAE Aconitum bulbiferum T.J. Howell = Aconitum columbianum ssp. viviparum Aconitum columbianum Nutt. Columbian monkshood Aconitum columbianum ssp. viviparum (Greene) D.E. Brink Aconitum columbianum var. columbianum Nutt. Columbian monkshood Actaea arguta Nutt. = Actaea rubra ssp. arguta Actaea rubra (Ait.) Willd. red baneberry Actaea rubra ssp. arguta (Nutt.) Hulten red baneberry Anemone deltoidea Hook. Columbian windflower Anemone drummondii S. Wats. Drummond's anemone Anemone drummondii ssp. drummondii S. Wats. Drummond's anemone Anemone globosa (Torr. & Gray) Nutt. ex Pritz. = Anemone multifida var. hudsoniana Anemone lyallii Britt. Little Mountain thimbleweed Anemone multifida Poir. Pacific anemone Anemone multifida var. hudsoniana DC. Hudson's anemone Anemone nemorosa var. lyallii (Britt.) Ulbr. = Anemone lyallii Anemone occidentalis S. Wats. = Pulsatilla occidentalis Anemone oregana Gray blue windflower Anemone oregana var. felix (M.E. Peck) C.L. Hitchc. Felix anemone Anemone oregana var. oregana Gray blue windflower Anemone parviflora Michx. smallflowered anemone Anemone piperi Britt. ex Rydb. Piper's anemone Anemone quinquefolia L. nightcaps Anemone quinquefolia var. grayi (Behr & Kellogg) Jepson = Anemone oregana var. oregana Anemone quinquefolia var. lyallii (Britt.) B.L. Robins. = Anemone lyallii Anemone tetonensis Porter ex Britt. Teton anemone Aquilegia flavescens S. Wats. yellow columbine Aquilegia flavescens var. flavescens S. Wats. yellow columbine Aquilegia formosa Fisch. ex DC. western columbine Aquilegia formosa var. formosa Fisch. ex DC. crimson columbine Caltha biflora DC. = Caltha leptosepala ssp. howellii Caltha leptosepala DC. white marshmarigold Caltha leptosepala ssp. howellii (Huth) P.G. Sm. Howell's marshmarigold Caltha leptosepala ssp. leptosepala DC. white marshmarigold Caltha leptosepala ssp. leptosepala var. leptosepala DC. white marshmarigold Caltha palustris L. yellow marshmarigold Caltha palustris var. palustris L. yellow marshmarigold Ceratocephala testiculata (Crantz) Bess. curveseed butterwort Cimicifuga elata Nutt. tall bugbane Cimicifuga laciniata S. Wats. Mt. Hood bugbane Clematis columbiana (Nutt.) Torr. & Gray rock clematis Clematis columbiana var. columbiana (Nutt.) Torr. & Gray rock clematis Clematis hirsutissima Pursh hairy clematis Clematis ligusticifolia Nutt. western white clematis Clematis ligusticifolia var. brevifolia Nutt. western white clematis Clematis ligusticifolia var. ligusticifolia Nutt. western white clematis Clematis pseudoalpina (Kuntze) A. Nels. = Clematis columbiana var. columbiana Clematis vitalba L. evergreen clematis Consolida ajacis (L.) Schur doubtful knight's spur Coptis laciniata Gray Oregon goldthread Coptis trifolia (L.) Salisb. threeleaf goldthread Delphinium X burkei Greene Burk larkspur Delphinium X occidentale (S. Wats.) S. Wats. duncecap larkspur Delphinium X pavonaceum Ewan peacock larkspur Delphinium andersonii Gray Anderson's larkspur Delphinium andersonii ssp. andersonii Gray Anderson's larkspur Delphinium bicolor Nutt. little larkspur Delphinium decorum Fisch. & C.A. Mey. coastal larkspur Delphinium decorum ssp. tracyi Ewan Tracy's larkspur Delphinium depauperatum Nutt. slim larkspur Delphinium glareosum Greene Olympic larkspur Delphinium glareosum ssp. caprorum (Ewan) Ewan Olympic larkspur Delphinium glaucum S. Wats. Sierra larkspur Delphinium menziesii DC. Menzies' larkspur Delphinium nudicaule Torr. & Gray red larkspur Delphinium nuttallianum Pritz. ex Walp. Nuttal's larkspur Delphinium nuttallianum var. fulvum C.L. Hitchc. yellow larkspur Delphinium nuttallianum var. lineapetalum (Ewan) C.L. Hitchc. Nuttal's larkspur Delphinium nuttallianum var. nuttallianum Pritz. ex Walp. Nuttal's larkspur Delphinium nuttallii Gray Nuttall's larkspur Delphinium nuttallii ssp. ochroleucum (Nutt.) Warnock Delphinium occidentale ssp. occidentale (S. Wats.) S. Wats. duncecap larkspur Delphinium stachydeum (Gray) Tidestrom Rocky Mountain larkspur Delphinium trolliifolium Gray Columbian larkspur Delphinium uliginosum Curran swamp larkspur Enemion hallii (Gray) Drumm. & Hutchinson Willamette false rue anemone Enemion stipitatum (Gray) Drumm. & Hutchinson Siskiyou false rue anemone Isopyrum = Enemion Myosurus apetalus var. montanus (Campbell) Whitemore Myosurus aristatus Benth. bristle mousetail Myosurus minimus ssp. apus (Greene) Campbell tiny mousetail Myosurus minimus ssp. apus var. sessiliflorus (Huth) Campbell tiny mousetail Myosurus minimus ssp. major (Greene) Campbell tiny mousetail Myosurus minimus ssp. major var. clavicaulis (M.E. Peck) Campbell tiny mousetail Myosurus minimus ssp. major var. major (Greene) K.C. Davis tiny mousetail Myosurus minimus ssp. minimus L. tiny mousetail Myosurus minumus L. tiny mousetail Nigella damascena L. devil in the bush Pulsatilla occidentalis (S. Wats.) Freyn white pasqueflower Ranunculus acris L. tall buttercup Ranunculus acris var. acris L. showy buttercup Ranunculus alismifolius Geyer ex Benth. plantainleaf buttercup Ranunculus alismifolius var. alismellus Gray plantainleaf buttercup Ranunculus alismifolius var. alismifolius Geyer ex Benth. plantainleaf buttercup Ranunculus alismifolius var. davisii L. Benson Davis' buttercup Ranunculus andersonii Gray Anderson's buttercup Ranunculus andersonii var. andersonii Gray Anderson's buttercup Ranunculus aquatilis L. whitewater crowfoot Ranunculus arvensis L. corn buttercup Ranunculus austrooreganus L. Benson Southern Oregon buttercup Ranunculus bulbosus L. St. Anthony's turnip Ranunculus californicus Benth. California buttercup Ranunculus californicus var. californicus Benth. California buttercup Ranunculus cymbalaria Pursh alkali buttercup Ranunculus cymbalaria var. saximontanus Fern. Rocky Mountain buttercup Ranunculus eschscholtzii Schlecht. Eschscholtz's buttercup Ranunculus eschscholtzii var. eschscholtzii Schlecht. Eschscholtz's buttercup Ranunculus eschscholtzii var. trisectus (Eastw.) L. Benson threesection buttercup Ranunculus flabellaris Raf. yellow water buttercup Ranunculus flammula L. spearwort buttercup Ranunculus flammula var. flammula L. flam buttercup Ranunculus glaberrimus Hook. sagebrush buttercup Ranunculus glaberrimus var. ellipticus (Greene) Greene elliptical buttercup Ranunculus glaberrimus var. glaberrimus Hook. sagebrush buttercup Ranunculus glaberrimus var. reconditus L. Benson sagebrush buttercup Ranunculus gmelinii DC. Gmelin's buttercup Ranunculus gmelinii var. purshii (Richards.) Hara Pursh's buttercup Ranunculus gormanii Greene Gorman's buttercup Ranunculus hebecarpus Hook. & Arn. delicate buttercup Ranunculus lobbii (Hiern) Gray Lobb's buttercup Ranunculus longirostris Godr. longbeak buttercup Ranunculus macounii Britt. Macoun's buttercup Ranunculus muricatus L. spinyfruit buttercup Ranunculus occidentalis Nutt. western buttercup Ranunculus occidentalis var. occidentalis Nutt. western buttercup Ranunculus oresterus L. Benson Blue Mountain buttercup Ranunculus orthorhynchus Hook. straightbeak buttercup Ranunculus orthorhynchus var. bloomeri (S. Wats.) L. Benson Bloomer's buttercup Ranunculus orthorhynchus var. orthorhynchus Hook. straightbeak buttercup Ranunculus parviflorus L. smallflower buttercup Ranunculus populago Greene popular buttercup Ranunculus repens L. creeping buttercup Ranunculus repens var. degeneratus Schur creeping buttercup Ranunculus repens var. glabratus DC. creeping buttercup Ranunculus repens var. repens L. creeping buttercup Ranunculus sardous Crantz hairy buttercup Ranunculus sceleratus L. celeryleaf buttercup Ranunculus sceleratus var. multifidus Nutt. blister buttercup Ranunculus sceleratus var. sceleratus L. cursed buttercup Ranunculus trichophyllus Chaix whitewater crowfoot Ranunculus trichophyllus var. trichophyllus Chaix hairleaf water buttercup Ranunculus uncinatus D. Don ex G. Don hooked buttercup Ranunculus uncinatus var. parviflorus (Torr.) L. Benson common Idaho buttercup Ranunculus uncinatus var. uncinatus D. Don ex G. Don woodland buttercup Ranunculus verecundus B.L. Robins. ex Piper wetslope buttercup Thalictrum alpinum L. alpine meadowrue Thalictrum fendleri Engelm. ex Gray Fendler's meadowrue Thalictrum fendleri var. polycarpum Torr. Fendler's meadowrue Thalictrum occidentale Gray western meadowrue Thalictrum occidentale var. occidentale Gray western meadowrue Thalictrum sparsiflorum Turcz. ex Fisch. & C.A. Mey. fewflower meadowrue Thalictrum sparsiflorum var. saximontanum Boivin fewflower meadowrue Thalictrum venulosum Trel. veiny meadowrue Trautvetteria caroliniensis (Walt.) Vail Carolina bugbane Trollius laxus Salisb. American globeflower Trollius laxus ssp. albiflorus (Gray) A.& D. Love & Kapoor American globeflower RESEDACEAE Reseda alba L. white upright mignonette Reseda lutea L. yellow mignonette Reseda luteola L. weld RHAMNACEAE Ceanothus cordulatus Kellogg whitethorn ceanothus Ceanothus cuneatus (Hook.) Nutt. buckbrush Ceanothus integerrimus Hook. & Arn. deerbrush Ceanothus prostratus Benth. squawcarpet Ceanothus prostratus ssp. prostratus Benth. squawcarpet Ceanothus prostratus ssp. pumilus (Greene) C. Schmidt dwarf ceanothus Ceanothus sanguineus Pursh redstem ceanothus Ceanothus thyrsiflorus Eschsch. blueblossom ceanothus Ceanothus velutinus Dougl. ex Hook. snowbrush ceanothus Ceanothus velutinus ssp. hookeri (M.C. Johnston) C. Schmidt Hooker's ceanothus Ceanothus velutinus ssp. velutinus Dougl. ex Hook. tobacco brush Frangula californica (Eschsch.) Gray California buckthorn Frangula californica ssp. californica (Eschsch.) Gray California buckthorn Frangula californica ssp. occidentalis (T.J. Howell) Kartesz & Gandhi California buckthorn Frangula purshiana (DC.) Cooper Pursh's buckthorn Rhamnus alnifolia L'Her. alderleaf buckthorn Rhamnus californica Eschsch. = Frangula californica ssp. californica Rhamnus crocea Nutt. redberry buckthorn Rhamnus crocea ssp. ilicifolia (Kellogg) C.B. Wolf hollyleaf redberry Rhamnus purshiana DC. = Frangula purshiana ROSACEAE Agrimonia gryposepala Wallr. tall hairy agrimony Alchemilla = Aphanes arvensis Amelanchier alnifolia (Nutt.) Nutt. ex M. Roemer Saskatoon serviceberry Amelanchier alnifolia var. alnifolia (Nutt.) Nutt. ex M. Roemer Saskatoon serviceberry Amelanchier alnifolia var. cusickii (Fern.) C.L. Hitchc. Cusick's serviceberry Amelanchier alnifolia var. semiintegrifolia (Hook.) C.L. Hitchc. Pacific serviceberry Amelanchier pallida Greene pale serviceberry Amelanchier pumila (Torr. & Gray) Nutt. ex M. Roemer dwarf serviceberry Amelanchier utahensis Koehne Utah serviceberry Amelanchier utahensis ssp. utahensis Koehne Utah serviceberry Aphanes arvensis L. field parsley piert Argentina anserina (L.) Rydb. silverweed cinquefoil Argentina egedii (Wormsk.) Rydb. Pacific silverweed Argentina egedii ssp. egedii (Wormsk.) Rydb. Eged's Pacific silverweed Aruncus dioicus (Walt.) Fern. bride's feathers Aruncus dioicus var. acuminatus (Rydb.) Rydb. ex Hara bride's feathers Cercocarpus ledifolius Nutt. curlleaf mountain mahogany Cercocarpus ledifolius var. intercedens Schneid. curlleaf mountain mahogany Cercocarpus ledifolius var. ledifolius Nutt. curlleaf mountain mahogany Cercocarpus montanus Raf. true mountain mahogany Cercocarpus montanus var. glaber (S. Wats.) F.L. Martin birchleaf mountain mahogany Cercocarpus montanus var. montanus Raf. birchleaf mountain mahogany Chamaebatiaria millefolium (Torr.) Maxim. fernbush Comarum palustre L. purple marshlocks Crataegus chrysocarpa Ashe fireberry hawthorn Crataegus columbiana T.J. Howell = Crataegus douglasii var. douglasii Crataegus curvisepala Lindm. English hawthorn Crataegus douglasii Lindl. black hawthorn Crataegus douglasii var. douglasii Lindl. Douglas' hawthorn Crataegus monogyna Jacq. oneseed hawthorn Crataegus oxyacantha auct. non L. = Crataegus curvisepala Crataegus suksdorfii (Sarg.) Kruschke Suksdorf's hawthorn Dryas drummondii Richards. ex Hook. Drummond's dryad Dryas octopetala L. white dryad Dryas octopetala ssp. hookeriana (Juz.) Hulten Hooker's mountainavens Duchesnea indica (Andr.) Focke Indian strawberry Filipendula occidentalis (S. Wats.) T.J. Howell meadowsweet Fragaria X ananassa Duchesne (pro sp.) hybrid strawberry Fragaria X ananassa var. cuneifolia (Nutt. ex T.J. Howell) Staudt (pro nm.) hybrid strawberry Fragaria chiloensis (L.) P. Mill. beach strawberry Fragaria crinita Rydb. Pacific strawberry Fragaria vesca L. woodland strawberry Fragaria vesca ssp. bracteata (Heller) Staudt woodland strawberry Fragaria vesca ssp. californica (Cham. & Schlecht.) Staudt California strawberry Fragaria virginiana Duchesne Virginia strawberry Fragaria virginiana ssp. platypetala (Rydb.) Staudt Virginia strawberry Geum aleppicum Jacq. yellow avens Geum macrophyllum Willd. largeleaf avens Geum macrophyllum var. macrophyllum Willd. largeleaf avens Geum macrophyllum var. perincisum (Rydb.) Raup largeleaf avens Geum rossii (R. Br.) Ser. Ross' avens Geum rossii var. turbinatum (Rydb.) C.L. Hitchc. Ross' avens Geum triflorum Pursh prairiesmoke Geum triflorum var. campanulatum (Greene) C.L. Hitchc. old man's whiskers Geum triflorum var. ciliatum (Pursh) Fassett old man's whiskers Holodiscus discolor (Pursh) Maxim. oceanspray Horkelia congesta Dougl. ex Hook. Sierran honeydew Horkelia congesta ssp. congesta Dougl. ex Hook. Sierran honeydew Horkelia congesta ssp. nemorosa Keck Sierran honeydew Horkelia daucifolia (Greene) Rydb. carrotleaf honeydew Horkelia daucifolia ssp. daucifolia (Greene) Rydb. carrotleaf honeydew Horkelia fusca Lindl. tawny horkelia Horkelia fusca ssp. capitata (Lindl.) Keck bighead horkelia Horkelia fusca ssp. filicoides (Crum) Keck pinewoods honeydew Horkelia fusca ssp. fusca Lindl. pinewoods honeydew Horkelia fusca ssp. parviflora (Nutt. ex Torr. & Gray) Keck smallflower horkelia Horkelia fusca ssp. pseudocapitata (Rydb. ex T.J. Howell) Keck littlehead horkelia Horkelia hendersonii T.J. Howell Henderson's honeydew Horkelia sericata S. Wats. silky honeydew Horkelia tridentata Torr. threetooth honeydew Ivesia baileyi S. Wats. Bailey's ivesia Ivesia baileyi var. baileyi S. Wats. Bailey's ivesia Ivesia baileyi var. beneolens (A. Nels. & J.F. Macbr.) Ertter Bailey's ivesia Ivesia gordonii (Hook.) Torr. & Gray Gordon's ivesia Ivesia rhypara Ertter & Reveal grimy mousetail Ivesia rhypara var. rhypara Ertter & Reveal grimy mousetail Ivesia rhypara var. shellyi Ertter Shelly's mousetail Ivesia shockleyi S. Wats. sky mousetail Ivesia shockleyi var. shockleyi S. Wats. Shockley's mousetail Luetkea pectinata (Pursh) Kuntze partridgefoot Malus fusca (Raf.) Schneid. Oregon crabapple Oemleria cerasiformis (Torr. & Gray ex Hook. & Arn.) Landon Indian plum Pentaphylloides floribunda (Pursh) A. Love shrubby cinquefoil Peraphyllum ramosissimum Nutt. squaw apple Petrophyton caespitosum (Nutt.) Rydb. mat rockspirea Physocarpus capitatus (Pursh) Kuntze Pacific ninebark Physocarpus malvaceus (Greene) Kuntze mallow ninebark Potentilla anglica Laicharding English cinquefoil Potentilla anserina L. = Argentina anserina Potentilla arguta Pursh tall cinquefoil Potentilla arguta ssp. convallaria (Rydb.) Keck cream cinquefoil Potentilla biennis Greene biennial cinquefoil Potentilla brevifolia Nutt. ex Torr. & Gray sparseleaf cinquefoil Potentilla diversifolia Lehm. varileaf cinquefoil Potentilla diversifolia var. diversifolia Lehm. varileaf cinquefoil Potentilla drummondii Lehm. Drummond's cinquefoil Potentilla drummondii ssp. breweri (S. Wats.) Ertter Potentilla flabellifolia Hook. ex Torr. & Gray high mountain cinquefoil Potentilla fruticosa auct. non L. = Pentaphylloides floribunda Potentilla glandulosa Lindl. gland cinquefoil Potentilla glandulosa ssp. ashlandica (Greene) Keck Ashland cinquefoil Potentilla glandulosa ssp. glabrata (Rydb.) Keck sticky cinquefoil Potentilla glandulosa ssp. glandulosa Lindl. sticky cinquefoil Potentilla glandulosa ssp. globosa Keck sticky cinquefoil Potentilla glandulosa ssp. nevadensis (S. Wats.) Keck Nevada cinquefoil Potentilla glandulosa ssp. pseudorupestris (Rydb.) Keck sticky cinquefoil Potentilla glandulosa ssp. reflexa (Greene) Keck sticky cinquefoil Potentilla gracilis Dougl. ex Hook. northwest cinquefoil Potentilla gracilis var. brunnescens (Rydb.) C.L. Hitchc. brownfuz cinquefoil Potentilla gracilis var. fastigiata (Nutt.) S. Wats. Potentilla gracilis var. flabelliformis (Lehm.) Nutt. ex Torr. & Gray Potentilla gracilis var. gracilis Dougl. ex Hook. graceful cinquefoil Potentilla millefolia Rydb. cutleaf cinquefoil Potentilla millefolia var. klamathensis (Rydb.) Jepson Klamath cinquefoil Potentilla newberryi Gray Newberry's cinquefoil Potentilla nivea L. snow cinquefoil Potentilla nivea var. pentaphylla Lehm. fiveleaf cinquefoil Potentilla norvegica L. Norwegian cinquefoil Potentilla ovina Macoun sheep cinquefoil Potentilla ovina var. ovina Macoun sheep cinquefoil Potentilla pacifica T.J. Howell = Argentina egedii ssp. egedii Potentilla palustris (L.) Scop. = Comarum palustre Potentilla paradoxa Nutt. Paradox cinquefoil Potentilla pensylvanica L. Pennsylvania cinquefoil Potentilla pensylvanica var. strigosa Pallas ex Pursh Pennsylvania cinquefoil Potentilla pulcherrima Lehm. beautiful cinquefoil Potentilla recta L. sulphur cinquefoil Potentilla rivalis Nutt. brook cinquefoil Potentilla rivalis var. millegrana (Engelm. ex Lehm.) S. Wats. brook cinquefoil Potentilla rivalis var. rivalis Nutt. brook cinquefoil Potentilla uniflora Ledeb. oneflower cinquefoil Potentilla villosa Pallas ex Pursh villous cinquefoil Prunus domestica L. European plum Prunus emarginata (Dougl. ex Hook.) Walp. bitter cherry Prunus emarginata var. emarginata (Dougl. ex Hook.) Walp. bitter cherry Prunus emarginata var. mollis (Dougl. ex Hook.) Brewer bitter cherry Prunus laurocerasus L. cherry laurel Prunus melanocarpa (A. Nels.) Rydb. = Prunus virginiana var. melanocarpa Prunus spinosa L. blackthorn Prunus subcordata Benth. Klamath plum Prunus subcordata var. kelloggii J.G. Lemmon Kellogg's Klamath plum Prunus subcordata var. oregana (Greene) W. Wight ex M.E. Peck Oregon Klamath plum Prunus subcordata var. subcordata Benth. Klamath plum Prunus virginiana L. common chokecherry Prunus virginiana var. demissa (Nutt.) Torr. western chokecherry Prunus virginiana var. melanocarpa (A. Nels.) Sarg. black chokecherry Purshia tridentata (Pursh) DC. antelope bitterbrush Pyrus communis L. common pear Rosa californica Cham. & Schlecht. California wildrose Rosa canina L. dog rose Rosa eglanteria L. sweetbriar rose Rosa gymnocarpa Nutt. dwarf rose Rosa gymnocarpa var. gymnocarpa Nutt. wood rose Rosa multiflora Thunb. ex Murr. multiflora rose Rosa myriadenia Greene glandular rose Rosa nutkana K. Presl Nootka rose Rosa nutkana var. hispida Fern. bristly Nootka rose Rosa nutkana var. muriculata (Greene) G.N. Jones Nootka rose Rosa nutkana var. nutkana K. Presl Nootka rose Rosa pisocarpa Gray cluster rose Rosa spithamea S. Wats. ground rose Rosa spithamea var. spithamea S. Wats. ground rose Rosa woodsii Lindl. Woods' rose Rosa woodsii var. ultramontana (S. Wats.) Jepson Woods' rose Rubus arcticus L. arctic blackberry Rubus arcticus ssp. acaulis (Michx.) Focke dwarf raspberry Rubus bartonianus M.E. Peck Barton's raspberry Rubus discolor Weihe & Nees Himalayan blackberry Rubus idaeus L. American red raspberry Rubus idaeus ssp. strigosus (Michx.) Focke grayleaf red raspberry Rubus illecebrosus Focke strawberry raspberry Rubus laciniatus Willd. cutleaf blackberry Rubus lasiococcus Gray roughfruit berry Rubus leucodermis Dougl. ex Torr. & Gray whitebark raspberry Rubus leucodermis var. leucodermis Dougl. ex Torr. & Gray whitebark raspberry Rubus nigerrimus (Greene) Rydb. dark raspberry Rubus nivalis Dougl. ex Hook. snow raspberry Rubus parviflorus Nutt. thimbleberry Rubus pedatus Sm. strawberryleaf raspberry Rubus pubescens Raf. dwarf red blackberry Rubus spectabilis Pursh salmonberry Rubus spectabilis var. spectabilis Pursh salmonberry Rubus strigosus Michx. = Rubus idaeus ssp. strigosus Rubus ursinus Cham. & Schlecht. California blackberry Rubus ursinus ssp. macropetalus (Dougl. ex Hook.) Taylor & MacBryde California blackberry Rubus ursinus ssp. ursinus Cham. & Schlecht. California blackberry Rubus ursinus ssp. ursinus var. ursinus Cham. & Schlecht. California blackberry Rubus vestitus Weihe & Nees European blackberry Rubus vitifolius Cham. & Schlecht. Pacific dewberry Sanguisorba canadensis L. Canadian burnet Sanguisorba microcephala K. Presl = Sanguisorba officinalis Sanguisorba minor Scop. small burnet Sanguisorba occidentalis Nutt. western burnet Sanguisorba officinalis L. official burnet Sibbaldia procumbens L. creeping sibbaldia Sorbus scopulina Greene Greene mountainash Sorbus scopulina var. cascadensis (G.N. Jones) C.L. Hitchc. Cascade mountainash Sorbus scopulina var. scopulina Greene Cascade mountainash Sorbus sitchensis M. Roemer western mountainash Sorbus sitchensis var. grayi (Wenzig) C.L. Hitchc. Gray's mountainash Sorbus sitchensis var. sitchensis M. Roemer Sitka mountainash Spiraea X pyramidata Greene (pro sp.) pyramid spirea Spiraea betulifolia Pallas white spirea Spiraea betulifolia var. lucida (Dougl. ex Greene) C.L. Hitchc. shinyleaf spirea Spiraea discolor Pursh = Holodiscus discolor Spiraea douglasii Hook. Douglas' spirea Spiraea douglasii var. douglasii Hook. rose spirea Spiraea douglasii var. menziesii (Hook.) K. Presl Menzies' spirea Spiraea splendens Baumann ex K. Koch rose meadowsweet Spiraea splendens var. splendens Baumann ex K. Koch mountain spirea RUBIACEAE Galium ambiguum W. Wight Yolla Bolly bedstraw Galium ambiguum ssp. ambiguum W. Wight Yolla Bolly bedstraw Galium ambiguum ssp. siskiyouense (Ferris) Dempster & Stebbins Siskiyou bedstraw Galium andrewsii Gray phloxleaf bedstraw Galium andrewsii ssp. andrewsii Gray Andrews' bedstraw Galium aparine L. stickywilly Galium bifolium S. Wats. twinleaf bedstraw Galium bolanderi Gray Bolander's bedstraw Galium boreale L. northern bedstraw Galium californicum Hook. & Arn. California bedstraw Galium divaricatum Pourret ex Lam. Lamarck's bedstraw Galium filipes Rydb. slenderstalk bedstraw Galium glabrescens (Ehrend.) Dempster & Ehrend. Castle Lake bedstraw Galium glabrescens ssp. glabrescens (Ehrend.) Dempster & Ehrend. Castle Lake bedstraw Galium mexicanum Kunth Mexican bedstraw Galium mexicanum ssp. asperulum (Gray) Dempster Mexican bedstraw Galium mollugo L. false baby's breath Galium multiflorum Kellogg shrubby bedstraw Galium muricatum W. Wight Humboldt bedstraw Galium nuttallii Gray climbing bedstraw Galium nuttallii ssp. nuttallii Gray climbing bedstraw Galium odoratum (L.) Scop. sweetscented bedstraw Galium oreganum Britt. Oregon bedstraw Galium parisiense L. wall bedstraw Galium porrigens Dempster graceful bedstraw Galium porrigens var. porrigens Dempster graceful bedstraw Galium saxatile L. heath bedstraw Galium serpenticum Dempster Intermountain bedstraw Galium serpenticum ssp. warnerense Dempster & Ehrend. Warner bedstraw Galium sylvaticum L. scotchmist Galium tinctorium (L.) Scop. stiff marsh bedstraw Galium tricornutum Dandy roughfruit corn bedstraw Galium trifidum L. threepetal bedstraw Galium trifidum ssp. columbianum (Rydb.) Hulten threepetal bedstraw Galium trifidum ssp. subbiflorum (Wieg.) Piper threepetal bedstraw Galium triflorum Michx. fragrant bedstraw Galium verum L. Yellow Spring bedstraw Galium watsonii (Gray) Heller Watson's bedstraw Kelloggia galioides Torr. milk kelloggia Rubia tinctoria L. madder Sherardia arvensis L. blue fieldmadder RUPPIACEAE Ruppia maritima L. widgeongrass SALICACEAE Populus angustifolia James narrowleaf cottonwood Populus balsamifera L. balsam poplar Populus balsamifera ssp. balsamifera L. balsam poplar Populus balsamifera ssp. trichocarpa (Torr. & Gray ex Hook.) Brayshaw black cottonwood Populus candicans Ait. = Populus balsamifera ssp. balsamifera Populus tacamahaca P. Mill. = Populus balsamifera ssp. balsamifera Populus tremuloides Michx. quaking aspen Populus trichocarpa Torr. & Gray ex Hook. = Populus balsamifera ssp. trichocarpa Salix X fluviatilis Nutt. river willow Salix amygdaloides Anderss. peachleaf willow Salix arctica R. Br. ex Richards. Salix babylonica L. weeping willow Salix barclayi Anderss. Barclay's willow Salix bebbiana Sarg. Bebb willow Salix bonplandiana Kunth red willow Salix boothii Dorn Booth's willow Salix brachycarpa Nutt. barrenground willow Salix brachycarpa ssp. brachycarpa Nutt. barrenground willow Salix brachycarpa ssp. brachycarpa var. brachycarpa Nutt. barrenground willow Salix cascadensis Cockerell cascade willow Salix commutata Bebb undergreen willow Salix delnortensis Schneid. Del Norte willow Salix drummondiana Barratt ex Hook. Drummond's willow Salix eastwoodiae Cockerell ex Heller mountain willow Salix farriae Ball Farr's willow Salix geyeriana Anderss. Geyer's willow Salix hookeriana Barratt ex Hook. dune willow Salix lasiolepis Benth. arroyo willow Salix lasiolepis var. lasiolepis Benth. Tracy willow Salix lemmonii Bebb Lemmon's willow Salix ligulifolia (Ball) Ball ex Schneid. strapleaf willow Salix lucida Muhl. shining willow Salix lucida ssp. caudata (Nutt.) E. Murr. greenleaf willow Salix lucida ssp. lasiandra (Benth.) E. Murr. Pacific willow Salix lutea Nutt. yellow willow Salix melanopsis Nutt. dusky willow Salix monochroma Ball onecolor willow Salix orestera Schneid. Sierra willow Salix pedicellaris Pursh bog willow Salix planifolia Pursh diamondleaf willow Salix planifolia ssp. planifolia Pursh tealeaf willow Salix prolixa Anderss. MacKenzie's willow Salix reticulata L. netleaf willow Salix reticulata ssp. nivalis (Hook.) A.& D. Love & Kapoor snow willow Salix scouleriana Barratt ex Hook. Scouler's willow Salix sessilifolia Nutt. northwest sandbar willow Salix sitchensis Sanson ex Bong. Sitka willow Salix vestita Pursh rock willow Salix wolfii Bebb Wolf's willow SANTALACEAE Comandra pallida A. DC. = Comandra umbellata ssp. pallida Comandra umbellata (L.) Nutt. bastard toadflax Comandra umbellata ssp. californica (Eastw. ex Rydb.) Piehl California bastard toadflax Comandra umbellata ssp. pallida (A. DC.) Piehl pale bastard toadflax Comandra umbellata ssp. umbellata (L.) Nutt. bastard toadflax SARRACENIACEAE Darlingtonia californica Torr. California pitcherplant SAURURACEAE Anemopsis californica (Nutt.) Hook. & Arn. yerba mansa SAXIFRAGACEAE Bensoniella oregana (Abrams & Bacig.) Morton Oregon bensoniella Bolandra oregana S. Wats. northern false coolwort Boykinia intermedia (Piper) G.N. Jones Sierran brookfoam Boykinia major Gray large boykinia Boykinia occidentalis Torr. & Gray coastal brookfoam Chrysosplenium glechomifolium Nutt. Pacific golden saxifrage Darmera peltata (Torr. ex Benth.) Voss Indian rhubarb Elmera racemosa (S. Wats.) Rydb. yellow coralbells Elmera racemosa var. puberulenta C.L. Hitchc. yellow coralbells Heuchera X cuneata T.J. Howell (pro sp.) alumroot Heuchera chlorantha Piper tall alumroot Heuchera cylindrica Dougl. ex Hook. roundleaf alumroot Heuchera cylindrica var. alpina Sw. alpine alumroot Heuchera cylindrica var. cylindrica Dougl. ex Hook. roundleaf alumroot Heuchera cylindrica var. glabella (Torr. & Gray) Wheelock beautiful alumroot Heuchera cylindrica var. orbicularis (Rosendahl, Butters & Lakela) Calder & Savile poker alumroot Heuchera glabra Willd. ex Roemer & J.A. Schultes alpine heuchera Heuchera grossulariifolia Rydb. gooseberryleaf alumroot Heuchera grossulariifolia var. grossulariifolia Rydb. gooseberryleaf alumroot Heuchera grossulariifolia var. tenuifolia (Wheelock) C.L. Hitchc. gooseberryleaf alumroot Heuchera merriamii Eastw. Merriam's alumroot Heuchera micrantha Dougl. ex Lindl. crevice alumroot Heuchera micrantha var. erubescens (A. Braun & Boucho) Rosendahl crevice alumroot Heuchera micrantha var. hartwegii (S. Wats. ex Wheelock) Rosendahl Hartweg's alumroot Heuchera micrantha var. micrantha Dougl. ex Lindl. crevice alumroot Heuchera micrantha var. pacifica Rosendahl, Butters & Lakela Pacific alumroot Heuchera pilosissima Fisch. & C.A. Mey. seaside alumroot Heuchera pilosissima var. pilosissima Fisch. & C.A. Mey. seaside alumroot Heuchera rubescens Torr. pink alumroot Heuchera rubescens var. truncata Rosendahl, Butters & Lakela pink alumroot Leptarrhena pyrolifolia (D. Don) R. Br. ex Ser. fireleaf leptarrhena Lithophragma affine Gray common woodlandstar Lithophragma affine ssp. affine Gray San Francisco woodlandstar Lithophragma campanulatum T.J. Howell Siskiyou Mountain woodlandstar Lithophragma glabrum Nutt. bulbous woodlandstar Lithophragma parviflorum (Hook.) Nutt. ex Torr. & Gray smallflower woodlandstar Lithophragma parviflorum var. parviflorum (Hook.) Nutt. ex Torr. & Gray smallflower woodlandstar Lithophragma tenellum Nutt. slender woodlandstar Mitella breweri Gray Brewer's miterwort Mitella caulescens Nutt. slightstemmed miterwort Mitella diversifolia Greene angleleaf miterwort Mitella ovalis Greene coastal miterwort Mitella pentandra Hook. fivestamen miterwort Mitella stauropetala Piper smallflower miterwort Mitella stauropetala var. stauropetala Piper smallflower miterwort Mitella trifida Graham threeparted miterwort Mitella trifida var. trifida Graham threeparted miterwort Parnassia californica (Gray) Greene California grass of Parnassus Parnassia fimbriata Koenig Rocky Mountain parnassia Parnassia fimbriata var. fimbriata Koenig fringed grass of Parnassus Parnassia fimbriata var. hoodiana C.L. Hitchc. fringed grass of Parnassus Parnassia fimbriata var. intermedia (Rydb.) C.L. Hitchc. intermediate parnassia Saxifraga adscendens L. wedgeleaf saxifrage Saxifraga adscendens ssp. oregonensis (Raf.) Bacig. small saxifrage Saxifraga aprica Greene Sierran saxifrage Saxifraga bronchialis L. yellowdot saxifrage Saxifraga bronchialis ssp. austromontana (Wieg.) Piper matted saxifrage Saxifraga bronchialis ssp. vespertina (Small) Piper yellowdot saxifrage Saxifraga californica Greene California saxifrage Saxifraga cespitosa L. tufted alpine saxifrage Saxifraga cespitosa ssp. cespitosa L. tufted alpine saxifrage Saxifraga cespitosa ssp. subgemmifera Engl. & Irmsch. tufted alpine saxifrage Saxifraga ferruginea Graham rustyhair saxifrage Saxifraga ferruginea var. ferruginea Graham rustyhair saxifrage Saxifraga ferruginea var. vreelandii (Small) Engl. & Irmsch. Vreeland's saxifrage Saxifraga gormanii Suksdorf Gorman's saxifrage Saxifraga hitchcockiana Elvander Saddle Mountain saxifrage Saxifraga howellii Greene Howell's saxifrage Saxifraga idahoensis Piper Idaho saxifrage Saxifraga integrifolia Hook. wholeleaf saxifrage Saxifraga marshallii Greene Marshall's saxifrage Saxifraga mertensiana Bong. wood saxifrage Saxifraga nelsoniana D. Don heartleaf saxifrage Saxifraga nelsoniana ssp. cascadensis (Calder & Savile) Hulten cascade saxifrage Saxifraga nelsoniana ssp. nelsoniana D. Don brook saxifrage Saxifraga nidifica Greene peak saxifrage Saxifraga nidifica var. claytoniifolia (Canby ex Small) Elvander peak saxifrage Saxifraga nidifica var. nidifica Greene peak saxifrage Saxifraga nuttallii Small Nuttall's saxifrage Saxifraga occidentalis S. Wats. Alberta saxifrage Saxifraga odontoloma Piper brook saxifrage Saxifraga oppositifolia L. purple mountain saxifrage Saxifraga oregana T.J. Howell Oregon saxifrage Saxifraga rivularis L. weak saxifrage Saxifraga rufidula (Small) Macoun rustyhair saxifrage Saxifraga sibthorpii Boiss. yellow saxifrage Saxifraga stolonifera Meerb. creeping saxifrage Saxifraga tolmiei Torr. & Gray Tolmie's saxifrage Saxifragopsis fragarioides (Greene) Small strawberry saxifrage Suksdorfia ranunculifolia (Hook.) Engl. buttercup suksdorfia Suksdorfia violacea Gray violet suksdorfia Sullivantia Torr. & Gray ex Gray sullivantia Sullivantia oregana S. Wats. Oregon coolwort Tellima grandiflora (Pursh) Dougl. ex Lindl. bigflower tellima Tiarella trifoliata L. threeleaf foamflower Tiarella trifoliata var. trifoliata L. threeleaf foamflower Tiarella trifoliata var. unifoliata (Hook.) Kurtz oneleaf foamflower Tolmiea menziesii (Pursh) Torr. & Gray youth on age SCROPHULARIACEAE Antirrhinum majus L. garden snapdragon Besseya rubra (Dougl. ex Hook.) Rydb. red besseya Castilleja Mutis ex L. f. Indian paintbrush Castilleja affinis Hook. & Arn. Indian paintbrush Castilleja affinis ssp. litoralis (Pennell) Chuang & Heckard Castilleja ambigua Hook. & Arn. ambiguous Indian paintbrush Castilleja ambigua ssp. ambigua Hook. & Arn. ambiguous Indian paintbrush Castilleja angustifolia (Nutt.) G. Don northwestern Indian paintbrush Castilleja angustifolia var. angustifolia (Nutt.) G. Don northwestern Indian paintbrush Castilleja applegatei Fern. wavyleaf Indian paintbrush Castilleja applegatei ssp. martinii (Abrams) Chuang & Heckard Castilleja applegatei ssp. pinetorum (Fern.) Chuang & Heckard Castilleja applegatei var. applegatei Fern. Applegate's Indian paintbrush Castilleja arachnoidea Greenm. cobwebby Indian paintbrush Castilleja arachnoidea ssp. arachnoidea Greenm. cobwebby Indian paintbrush Castilleja attenuata (Gray) Chuang & Heckard attenuate Indian paintbrush Castilleja campestris (Benth.) Chuang & Heckard Indian paintbrush Castilleja campestris ssp. campestris (Benth.) Chuang & Heckard Indian paintbrush Castilleja chlorotica Piper greentinge Indian paintbrush Castilleja chrysantha Greenm. yellow Indian paintbrush Castilleja cusickii Greenm. Cusick's Indian paintbrush Castilleja flava S. Wats. yellow Indian paintbrush Castilleja flava var. rustica (Piper) N. Holmgren country Indian paintbrush Castilleja fraterna Greenm. fraternal Indian paintbrush Castilleja glandulifera Pennell gland Indian paintbrush Castilleja hispida Benth. harsh Indian paintbrush Castilleja hispida ssp. acuta Pennell acute Indian paintbrush Castilleja hispida ssp. brevilobata (Piper) Chuang & Heckard Castilleja hispida ssp. hispida Benth. harsh Indian paintbrush Castilleja lacera (Benth.) Chuang & Heckard Indian paintbrush Castilleja levisecta Greenm. golden Indian paintbrush Castilleja linariifolia Benth. Wyoming Indian paintbrush Castilleja lutescens (Greenm.) Rydb. yellow Indian paintbrush Castilleja martinii var. martinii Abrams Martin's Indian paintbrush Castilleja miniata Dougl. ex Hook. scarlet Indian paintbrush Castilleja miniata ssp. dixonii (Fern.) Kartesz, comb. nov. ined. Castilleja miniata ssp. elata (Piper) Munz Castilleja miniata var. miniata Dougl. ex Hook. green Indian paintbrush Castilleja minor (Gray) Gray lesser Indian paintbrush Castilleja minor ssp. minor (Gray) Gray Castilleja oresbia Greenm. Wallowa Indian paintbrush Castilleja pallescens (Gray) Greenm. pale Indian paintbrush Castilleja pallescens var. inverta (A. Nels. & J.F. Macbr.) Edwin pale Indian paintbrush Castilleja parviflora Bong. mountain Indian paintbrush Castilleja parviflora var. oreopola (Greenm.) Ownbey Henry Indian paintbrush Castilleja peckiana Pennell Peck's Indian paintbrush Castilleja pilosa (S. Wats.) Rydb. parrothead Indian paintbrush Castilleja pilosa var. pilosa (S. Wats.) Rydb. parrothead Indian paintbrush Castilleja pilosa var. steenensis (Pennell) N. Holmgren Steenes Indian paintbrush Castilleja pruinosa Fern. frosted Indian paintbrush Castilleja rhexiifolia Rydb. splitleaf Indian paintbrush Castilleja rubicundula (Jepson) Chuang & Heckard Indian paintbrush Castilleja rubicundula ssp. lithospermoides (Benth.) Chuang & Heckard Indian paintbrush Castilleja rubida Piper little reddish Indian paintbrush Castilleja rupicola Piper ex Fern. cliff Indian paintbrush Castilleja schizotricha Greenm. splithair Indian paintbrush Castilleja suksdorfii Gray Suksdorf's Indian paintbrush Castilleja tenuis (Heller) Chuang & Heckard Indian paintbrush Castilleja thompsonii Pennell Thompson's Indian paintbrush Castilleja viscidula Gray sticky Indian paintbrush Castilleja wallowensis Pennell Wallowa Indian paintbrush Castilleja xanthotricha Pennell yellowhair Indian paintbrush Collinsia grandiflora Lindl. Collinsia linearis Gray narrowleaf blue eyed Mary Collinsia parviflora Lindl. smallflower blue eyed Mary Collinsia parviflora var. parviflora Lindl. smallflower blue eyed Mary Collinsia rattanii Gray sticky blue eyed Mary Collinsia rattanii ssp. glandulosa (T.J. Howell) Pennell sticky blue eyed Mary Collinsia rattanii ssp. rattanii Gray Rattan's blue eyed Mary Collinsia sparsiflora Fisch. & C.A. Mey. spinster's blue eyed Mary Collinsia sparsiflora var. bruceae (M.E. Jones) Newsom spinster's blue eyed Mary Collinsia torreyi Gray Torrey's blue eyed Mary Collinsia torreyi var. latifolia Newsom Torrey's blue eyed Mary Cordylanthus capitatus Nutt. ex Benth. Yakima bird's beak Cordylanthus maritimus Nutt. ex Benth. saltmarsh bird's beak Cordylanthus maritimus ssp. canescens (Gray) Chuang & Heckard saltmarsh bird's beak Cordylanthus maritimus ssp. maritimus Nutt. ex Benth. saltmarsh bird's beak Cordylanthus maritimus ssp. palustris (Behr) Chuang & Heckard saltmarsh bird's beak Cordylanthus ramosus Nutt. ex Benth. bushy bird's beak Cordylanthus tenuis Gray slender bird's beak Cordylanthus tenuis ssp. tenuis Gray slender bird's beak Cordylanthus tenuis ssp. viscidus (T.J. Howell) Chuang & Heckard slender bird's beak Cymbalaria muralis P.G. Gaertn., B. Mey. & Scherb. Kenilworth ivy Digitalis purpurea L. purple foxglove Digitalis purpurea var. purpurea L. purple foxglove Diplacus aurantiacus (W. Curtis) Jepson orange bush monkeyflower Diplacus aurantiacus ssp. aurantiacus (W. Curtis) Jepson Euphrasia officinalis L. = Euphrasia stricta Euphrasia stricta D. Wolff ex J.F. Lehm. drug eyebright Gratiola ebracteata Benth. ex A. DC. bractless hedgehyssop Gratiola heterosepala Mason & Bacig. Boggs Lake hedgehyssop Gratiola neglecta Torr. clammy hedgehyssop Keckiella lemmonii (Gray) Straw Lemmon's penstemon Kickxia elatine (L.) Dumort. sharpleaf cancerwort Kickxia spuria (L.) Dumort. roundleaf cancerwort Limosella aquatica L. water mudwort Limosella australis R. Br. Welsh mudwort Linaria canadensis (L.) Chaz. = Nuttallanthus canadensis Linaria dalmatica (L.) P. Mill. Dalmatian toadflax Linaria dalmatica ssp. macedonica (Griseb.) D.A. Sutton Dalmatian toadflax Linaria genistifolia (L.) P. Mill. broomleaf toadflax Linaria supina (L.) Chaz. lesser butter and eggs Linaria texana Scheele = Nuttallanthus texanus Linaria vulgaris P. Mill. butter and eggs Lindernia dubia (L.) Pennell moistbank pimpernel Lindernia dubia var. anagallidea (Michx.) Cooperrider yellowseed false pimpernel Lindernia dubia var. dubia (L.) Pennell yellowseed false pimpernel Mazus pumilus (Burm. f.) Steenis Japanese mazus Mimetanthe pilosa (Benth.) Greene false monkeyflower Mimulus alsinoides Dougl. ex Benth. wingstem monkeyflower Mimulus breviflorus Piper shortflower monkeyflower Mimulus breweri (Greene) Coville Brewer's monkeyflower Mimulus cardinalis Dougl. ex Benth. crimson monkeyflower Mimulus clivicola Greenm. North Idaho monkeyflower Mimulus cusickii (Greene) Rattan Cusick's monkeyflower Mimulus dentatus Nutt. ex Benth. coastal monkeyflower Mimulus douglasii (Benth.) Gray brownies Mimulus floribundus Lindl. manyflowered monkeyflower Mimulus guttatus DC. seep monkeyflower Mimulus hymenophyllus Meinke thinsepal monkeyflower Mimulus jepsonii A.L. Grant Jepson's monkeyflower Mimulus jungermannioides Suksdorf liverwort monkeyflower Mimulus kelloggii (Curran ex Greene) Curran ex Gray Kellogg's monkeyflower Mimulus latidens (Gray) Greene broadtooth monkeyflower Mimulus lewisii Pursh purple monkeyflower Mimulus moschatus Dougl. ex Lindl. musk monkeyflower Mimulus moschatus var. moschatus Dougl. ex Lindl. muskflower Mimulus moschatus var. sessilifolius Gray muskflower Mimulus nanus Hook. & Arn. dwarf purple monkeyflower Mimulus nanus ssp. cascadensis Ezell, ssp. nov. ined. dwarf purple monkeyflower Mimulus nanus ssp. nanus Hook. & Arn. dwarf purple monkeyflower Mimulus primuloides Benth. primrose monkeyflower Mimulus primuloides var. primuloides Benth. primrose monkeyflower Mimulus pulsiferae Gray candelabrum monkeyflower Mimulus pygmaeus A.L. Grant Egg Lake monkeyflower Mimulus suksdorfii Gray Suksdorf's monkeyflower Mimulus tilingii Regel Tiling's monkeyflower Mimulus tilingii var. caespitosus (Greene) A.L. Grant subalpine monkeyflower Mimulus tilingii var. tilingii Regel Tiling's monkeyflower Mimulus tricolor Hartw. ex Lindl. tricolor monkeyflower Mimulus washingtonensis Gandog. Washington monkeyflower Misopates orontium (L.) Raf. linearleaf snapdragon Neogaerrhinum filipes (Gray) Rothm. Filipes snapdragon Nothochelone nemorosa (Dougl. ex Lindl.) Straw woodland beardtongue Nuttallanthus canadensis (L.) D.A. Sutton Canada toadflax Nuttallanthus texanus (Scheele) D.A. Sutton Texas toadflax Orthocarpus bracteosus Benth. rosy owlclover Orthocarpus castillejoides var. castillejoides Benth. johnnynip Orthocarpus cuspidatus Greene Siskiyou Mountain owlclover Orthocarpus cuspidatus ssp. copelandii (Eastw.) Chuang & Heckard Copeland's owlclover Orthocarpus faucibarbatus var. faucibarbatus Gray bearded owlclover Orthocarpus imbricatus Torr. ex S. Wats. mountain owlclover Orthocarpus lithospermoides var. lithospermoides Benth. creamsacs Orthocarpus luteus Nutt. yellow owlclover Orthocarpus tenuifolius (Pursh) Benth. thinleaved owlclover Parentucellia viscosa (L.) Caruel yellow glandweed Pedicularis attollens Gray attol lousewort Pedicularis attollens ssp. attollens Gray attoll lousewort Pedicularis attollens ssp. protogyna Pennell little elephantshead Pedicularis bracteosa Benth. bracted lousewort Pedicularis bracteosa var. bracteosa Benth. bracted lousewort Pedicularis bracteosa var. flavida (Pennell) Cronq. towering lousewort Pedicularis bracteosa var. pachyrhiza (Pennell) Cronq. towering lousewort Pedicularis centranthera Gray dwarf lousewort Pedicularis contorta Benth. coiled lousewort Pedicularis densiflora Benth. ex Hook. Indian warrior Pedicularis groenlandica Retz. elephanthead lousewort Pedicularis groenlandica ssp. surrecta (Benth.) Piper Greenland lousewort Pedicularis howellii Gray Howell's lousewort Pedicularis parviflora Sm. ex Rees smallflower lousewort Pedicularis racemosa Dougl. ex Benth. sickletop lousewort Pedicularis racemosa ssp. alba Pennell sickletop lousewort Pedicularis racemosa ssp. racemosa Dougl. ex Benth. sickletop lousewort Pedicularis semibarbata Gray bearded lousewort Pedicularis semibarbata var. semibarbata Gray pinewoods lousewort Penstemon acuminatus Dougl. ex Lindl. sharpleaf penstemon Penstemon acuminatus var. acuminatus Dougl. ex Lindl. sharpleaf penstemon Penstemon acuminatus var. latebracteatus N. Holmgren sharpleaf penstemon Penstemon anguineus Eastw. Siskiyou beardtongue Penstemon attenuatus Dougl. ex Lindl. sulphur penstemon Penstemon attenuatus var. attenuatus Dougl. ex Lindl. sulphur penstemon Penstemon attenuatus var. palustris (Pennell) Cronq. sulphur beardtongue Penstemon azureus Benth. azure penstemon Penstemon azureus ssp. azureus Benth. shortstalk penstemon Penstemon barrettiae Gray Barrett's beardtongue Penstemon cardwellii T.J. Howell Cardwell's beardtongue Penstemon cinicola Keck ash penstemon Penstemon confertus Dougl. ex Lindl. yellow penstemon Penstemon cusickii Gray Cusick's beardtongue Penstemon davidsonii Greene Davidson's penstemon Penstemon davidsonii var. davidsonii Greene Davidson's penstemon Penstemon davidsonii var. menziesii (Keck) Cronq. Menzies' penstemon Penstemon davidsonii var. praeteritus Cronq. timberline beardtongue Penstemon deustus Dougl. ex Lindl. scabland penstemon Penstemon deustus var. deustus Dougl. ex Lindl. hotrock beardtongue Penstemon deustus var. pedicellatus M.E. Jones hotrock beardtongue Penstemon deustus var. variabilis (Suksdorf) Cronq. hotrock beardtongue Penstemon elegantulus Pennell rockvine penstemon Penstemon eriantherus Pursh fuzzytongue penstemon Penstemon eriantherus var. argillosus M.E. Jones fuzzytongue penstemon Penstemon eriantherus var. redactus Pennell & Keck longsac penstemon Penstemon euglaucus English glaucous beardtongue Penstemon fruticosus (Pursh) Greene bush penstemon Penstemon fruticosus var. fruticosus (Pursh) Greene shrubby penstemon Penstemon fruticosus var. serratus (Keck) Cronq. sawleaf bush penstemon Penstemon gairdneri Hook. Gairdner's beardtongue Penstemon gairdneri var. gairdneri Hook. Gairdner's beardtongue Penstemon gairdneri var. oreganus Gray Gairdner's beardtongue Penstemon glandulosus Dougl. stickystem penstemon Penstemon glandulosus var. glandulosus Dougl. stickystem penstemon Penstemon glaucinus Pennell blueleaf beardtongue Penstemon globosus (Piper) Pennell & Keck globe penstemon Penstemon gracilentus Gray slender penstemon Penstemon humilis Nutt. ex Gray low penstemon Penstemon humilis ssp. humilis Nutt. ex Gray low beardtongue Penstemon janishiae N. Holmgren Antelope Valley beardtongue Penstemon kingii S. Wats. King's beardtongue Penstemon laetus Gray mountain blue penstemon Penstemon laetus ssp. roezlii (Regel) Keck Roezl's penstemon Penstemon laetus ssp. sagittatus Keck western gray beardtongue Penstemon miser Gray Malheur penstemon Penstemon newberryi Gray mountainpride penstemon Penstemon newberryi ssp. berryi (Eastw.) Keck Berry's penstemon Penstemon ovatus Dougl. ex Hook. eggleaf beardtongue Penstemon payettensis A. Nels. & J.F. Macbr. Payette beardtongue Penstemon peckii Pennell Peck's beardtongue Penstemon pennellianus Keck Blue Mountain beardtongue Penstemon perpulcher A. Nels. Minidoka beardtongue Penstemon pratensis Greene western whiteflower beardtongue Penstemon procerus Dougl. ex Graham littleflower penstemon Penstemon procerus var. brachyanthus (Pennell) Cronq. pincushion beardtongue Penstemon procerus var. formosus (A. Nels.) Cronq. pincushion beardtongue Penstemon procerus var. procerus Dougl. ex Graham pincushion beardtongue Penstemon rattanii Gray Rattan's beardtongue Penstemon rattanii ssp. rattanii Gray Rattan's beardtongue Penstemon richardsonii Dougl. ex Lindl. cutleaf beardtongue Penstemon richardsonii var. curtiflorus (Keck) Cronq. cutleaf beardtongue Penstemon richardsonii var. dentatus (Keck) Cronq. cutleaf beardtongue Penstemon richardsonii var. richardsonii Dougl. ex Lindl. Richardson's penstemon Penstemon rupicola (Piper) T.J. Howell cliff beardtongue Penstemon rydbergii A. Nels. Rydberg's penstemon Penstemon rydbergii var. aggregatus (Pennell) N. Holmgren meadow beardtongue Penstemon rydbergii var. oreocharis (Greene) N. Holmgren herbaceous penstemon Penstemon rydbergii var. rydbergii A. Nels. swollen penstemon Penstemon seorsus (A. Nels.) Keck shortlobe penstemon Penstemon serrulatus Menzies ex Sm. serrulate penstemon Penstemon spatulatus Pennell Wallowa beardtongue Penstemon speciosus Dougl. ex Lindl. royal penstemon Penstemon subserratus Pennell finetooth beardtongue Penstemon triphyllus Dougl. ex Lindl. Riggin's penstemon Penstemon venustus Dougl. ex Lindl. Venus penstemon Penstemon wilcoxii Rydb. Wilcox's penstemon Rhinanthus minor L. little yellowrattle Rhinanthus minor ssp. groenlandicus (Ostenf.) L. Neum. arctic rattlebox Sairocarpus breweri (Gray) D.A. Sutton Brewer's snapdragon Sairocarpus kingii (S. Wats.) D.A. Sutton King's snapdragon Scrophularia lanceolata Pursh lanceleaf figwort Scrophularia oregana Pennell Oregon figwort Synthyris missurica (Raf.) Pennell tailed kittenstails Synthyris missurica ssp. hirsuta Pennell western mountain kittenstails Synthyris missurica ssp. missurica (Raf.) Pennell tailed kittenstails Synthyris missurica ssp. stellata (Pennell) Kartesz & Gandhi western mountain kittenstails Synthyris reniformis (Dougl. ex Benth.) Benth. snowqueen Synthyris reniformis var. cordata Gray snowqueen Synthyris schizantha Piper fringepetal kittenstails Tonella floribunda Gray manyflower tonella Tonella tenella (Benth.) Heller lesser baby innocence Triphysaria eriantha (Benth.) Chuang & Heckard triphysaria Triphysaria eriantha ssp. eriantha (Benth.) Chuang & Heckard triphysaria Triphysaria eriantha ssp. rosea (Gray) Chuang & Heckard triphysaria Triphysaria pusilla (Benth.) Chuang & Heckard triphysaria Triphysaria versicolor Fisch. & C.A. Mey. triphysaria Triphysaria versicolor ssp. faucibarbatus (Gray) Chuang & Heckard triphysaria Triphysaria versicolor ssp. versicolor Fisch. & C.A. Mey. triphysaria Verbascum blattaria L. moth mullein Verbascum phlomoides L. orange mullein Verbascum speciosum Schrad. showy mullein Verbascum thapsus L. common mullein Veronica alpina L. alpine speedwell Veronica americana Schwein. ex Benth. American speedwell Veronica anagallis-aquatica L. water speedwell Veronica arvensis L. corn speedwell Veronica chamaedrys L. germander speedwell Veronica cusickii Gray Cusick's speedwell Veronica filiformis Sm. threadstalk speedwell Veronica longifolia L. longleaf speedwell Veronica officinalis L. common gypsyweed Veronica officinalis var. officinalis L. common gypsyweed Veronica officinalis var. tournefortii (Vill.) Reichenb. common gypsyweed Veronica peregrina L. neckweed Veronica peregrina ssp. peregrina L. neckweed Veronica peregrina ssp. xalapensis (Kunth) Pennell hairy purslane speedwell Veronica persica Poir. birdeye speedwell Veronica scutellata L. skullcap speedwell Veronica serpyllifolia L. thymeleaf speedwell Veronica serpyllifolia ssp. humifusa (Dickson) Syme brightblue speedwell Veronica serpyllifolia ssp. serpyllifolia L. thymeleaf speedwell Veronica wormskjoldii Roemer & J.A. Schultes American alpine speedwell SELAGINELLACEAE Selaginella densa Rydb. lesser spikemoss Selaginella densa var. scopulorum (Maxon) R. Tryon Rocky Mountain spikemoss Selaginella douglasii (Hook. & Grev.) Spring Douglas' spikemoss Selaginella oregana D.C. Eat. Oregon spikemoss Selaginella wallacei Hieron. Wallace's spikemoss Selaginella watsonii Underwood Watson's spikemoss SMILACACEAE Smilax californica (A. DC.) Gray California greenbrier SOLANACEAE Atropa bella-donna L. belladonna Chamaesaracha nana (Gray) Gray = Leucophysalis nana Datura stramonium L. jimsonweed Datura stramonium var. tatula (L.) Torr. = Datura stramonium Datura tatula L. = Datura stramonium Hyoscyamus niger L. black henbane Leucophysalis nana (Gray) Averett dwarf chamaesaracha Lycium barbarum L. matrimonyvine Lycopersicon esculentum P. Mill. garden tomato Nicotiana acuminata (Graham) Hook. manyflower tobacco Nicotiana acuminata var. multiflora (Phil.) Reiche manyflower tobacco Nicotiana attenuata Torr. ex S. Wats. coyote tobacco Nicotiana quadrivalvis Pursh Indian tobacco Nicotiana quadrivalvis var. bigelovii (Torr.) DeWolf Bigelow's tobacco Nicotiana rustica L. Aztec tobacco Physalis longifolia Nutt. longleaf groundcherry Physalis longifolia var. longifolia Nutt. longleaf groundcherry Physalis longifolia var. subglabrata (Mackenzie & Bush) Cronq. longleaf groundcherry Physalis philadelphica Lam. Mexican groundcherry Physalis philadelphica var. immaculata Waterfall Mexican groundcherry Physalis pruinosa L. strawberry tomato Solanum americanum P. Mill. American black nightshade Solanum carolinense L. Carolina horsenettle Solanum carolinense var. carolinense L. Carolina horsenettle Solanum dulcamara L. climbing nightshade Solanum furcatum Dunal ex Poir. forked nightshade Solanum nigrum L. black nightshade Solanum parishii Heller Parish's nightshade Solanum physalifolium Rusby hoe nightshade Solanum rostratum Dunal buffalobur nightshade Solanum sisymbriifolium Lam. sticky nightshade Solanum triflorum Nutt. cutleaf nightshade Solanum umbelliferum Eschsch. bluewitch nightshade Solanum xanti Gray purple nightshade Solanum xanti var. xanti Gray Xant's nightshade TAMARICACEAE Tamarix parviflora DC. smallflower tamarisk TAXACEAE Taxus brevifolia Nutt. Pacific yew TAXODIACEAE Sequoia sempervirens (Lamb. ex D. Don) Endl. redwood THELYPTERIDACEAE Phegopteris connectilis (Michx.) Watt long beechfern Thelypteris nevadensis (Baker) Clute ex Morton Sierran marsh fern TILIACEAE Tilia X vulgaris Hayne (pro sp.) common linden ULMACEAE Celtis laevigata Willd. sugarberry Celtis laevigata var. reticulata (Torr.) L. Benson netleaf hackberry UMBELLIFERAE Ammi majus L. large bullwort Ammi visnaga (L.) Lam. khella Anethum graveolens L. dill Angelica arguta Nutt. Lyall's angelica Angelica canbyi Coult. & Rose Canby's angelica Angelica genuflexa Nutt. kneeling angelica Angelica hendersonii Coult. & Rose beach angelica Angelica lucida L. wild celery Angelica tomentosa S. Wats. woolly angelica Angelica tomentosa var. tomentosa S. Wats. woolly angelica Anthriscus caucalis Bieb. burr chervil Anthriscus cerefolium (L.) Hoffmann garden chervil Apium graveolens L. wild celery Berula erecta (Huds.) Coville cutleaf waterparsnip Bowlesia incana Ruiz & Pavon hoary bowlesia Bupleurum americanum Coult. & Rose American bupleurum Bupleurum odontites L. narrowleaf thorow wax Centella asiatica (L.) Urban (?) spadeleaf Ciclospermum leptophyllum (Pers.) Sprague ex Britt. & Wilson marsh parsley Cicuta douglasii (DC.) Coult. & Rose western water hemlock Cicuta maculata var. californica (Gray) Boivin = Cicuta douglasii Cnidium monnieri (L.) Cusson ex Juss. Monnier's snowparsley Conioselinum gmelinii (Cham. & Schlecht.) Steud. Pacific hemlockparsley Conioselinum scopulorum (Gray) Coult. & Rose Rocky Mountain hemlockparsley Conium maculatum L. poison hemlock Coriandrum sativum L. Chinese parsley Cymopterus acaulis (Pursh) Raf. plains springparsley Cymopterus acaulis var. acaulis (Pursh) Raf. plains springparsley Cymopterus acaulis var. greeleyorum J. Grimes & Packard Greeley springparsley Cymopterus corrugatus M.E. Jones wrinklewing springparsley Cymopterus ibapensis M.E. Jones Ibapah springparsley Cymopterus nivalis S. Wats. snowline springparsley Cymopterus purpurascens (Gray) M.E. Jones widewing springparsley Cymopterus terebinthinus (Hook.) Torr. & Gray = Pteryxia terebinthina var. terebinthina Daucus carota L. Queen Anne's lace Daucus pusillus Michx. American wild carrot Eryngium alismifolium Greene Modoc eryngo Eryngium articulatum Hook. beethistle Eryngium petiolatum Hook. rushleaf eryngo Eryngium planum L. plains eryngo Foeniculum vulgare P. Mill. sweet fennel Glehnia littoralis F. Schmidt ex Miq. American silvertop Glehnia littoralis ssp. leiocarpa (Mathias) Hulten American silvertop Heracleum lanatum Michx. = Heracleum maximum Heracleum maximum Bartr. common cowparsnip Heracleum sphondylium = Heracleum maximum Hydrocotyle asiatica L. = Centella asiatica Hydrocotyle ranunculoides L. f. floating marshpennywort Hydrocotyle umbellata L. manyflower marshpennywort Hydrocotyle verticillata Thunb. whorled marshpennywort Leptotaenia dissecta Nutt. = Lomatium dissectum var. dissectum Leptotaenia multifida Nutt. = Lomatium dissectum var. multifidum Ligusticum apiifolium (Nutt. ex Torr. & Gray) Gray celeryleaf licoriceroot Ligusticum canbyi Coult. & Rose Canby's licoriceroot Ligusticum filicinum S. Wats. fernleaf licoriceroot Ligusticum grayi Coult. & Rose Gray's licoriceroot Ligusticum tenuifolium S. Wats. Idaho licoriceroot Lilaeopsis occidentalis Coult. & Rose western grasswort Lomatium ambiguum (Nutt.) Coult. & Rose Wyeth biscuitroot Lomatium bicolor (S. Wats.) Coult. & Rose Wasatch desertparsley Lomatium bicolor var. leptocarpum (Torr. & Gray) Schlessman Wasatch desertparsley Lomatium bradshawii (Rose ex Mathias) Mathias & Constance Bradshaw's desertparsley Lomatium californicum (Nutt.) Mathias & Constance California lomatium Lomatium canbyi (Coult. & Rose) Coult. & Rose Canby's biscuitroot Lomatium columbianum Mathias & Constance purple leptotaenia Lomatium cookii J.S. Kagan agate desertparsley Lomatium cous (S. Wats.) Coult. & Rose cous biscuitroot Lomatium cusickii (S. Wats.) Coult. & Rose Cusick's biscuitroot Lomatium dissectum (Nutt.) Mathias & Constance fernleaf buscuitroot Lomatium dissectum var. dissectum (Nutt.) Mathias & Constance fernleaf biscuitroot Lomatium dissectum var. multifidum (Nutt.) Mathias & Constance carrotleaf biscuitroot Lomatium donnellii (Coult. & Rose) Coult. & Rose Donnell's biscuitroot Lomatium engelmannii Mathias Engelmann's desertparsley Lomatium erythrocarpum Meinke & Constance redfruit desertparsley Lomatium farinosum (Hook.) Coult. & Rose northern biscuitroot Lomatium farinosum var. hambleniae (Mathias & Constance) Schlessman Hamblen's biscuitroot Lomatium foeniculaceum (Nutt.) Coult. & Rose desert biscuitroot Lomatium foeniculaceum ssp. macdougalii (Coult. & Rose) Theobald Macdougal's biscuitroot Lomatium gormanii (T.J. Howell) Coult. & Rose Gorman's biscuitroot Lomatium grayi (Coult. & Rose) Coult. & Rose Gray's biscuitroot Lomatium grayi var. grayi (Coult. & Rose) Coult. & Rose Gray's biscuitroot Lomatium greenmanii Mathias Greenman's biscuitroot Lomatium hallii (S. Wats.) Coult. & Rose Hall's biscuitroot Lomatium hendersonii (Coult. & Rose) Coult. & Rose Henderson's biscuitroot Lomatium howellii (S. Wats.) Jepson Howell's biscuitroot Lomatium laevigatum (Nutt.) Coult. & Rose Slickrock biscuitroot Lomatium macrocarpum (Nutt. ex Torr. & Gray) Coult. & Rose bigseed biscuitroot Lomatium martindalei (Coult. & Rose) Coult. & Rose cascade desertparsley Lomatium minus (Rose ex T.J. Howell) Mathias & Constance Day Valley desertparsley Lomatium nevadense (S. Wats.) Coult. & Rose Nevada biscuitroot Lomatium nevadense var. nevadense (S. Wats.) Coult. & Rose Nevada biscuitroot Lomatium nevadense var. parishii (Coult. & Rose) Jepson Parish's biscuitroot Lomatium nudicaule (Pursh) Coult. & Rose barestem biscuitroot Lomatium oreganum (Coult. & Rose) Coult. & Rose Blue Mountain biscuitroot Lomatium peckianum Mathias & Constance Peck's desertparsley Lomatium piperi Coult. & Rose Indian biscuitroot Lomatium rollinsii Mathias & Constance Rollins' biscuitroot Lomatium serpentinum (M.E. Jones) Mathias sweetscented biscuitroot Lomatium simplex (Nutt.) J.F. Macbr. narrowleaf lomatium Lomatium simplex var. leptophyllum (Hook.) Mathias narrowleaf lomatium Lomatium simplex var. simplex (Nutt.) J.F. Macbr. Great Basin desertparsley Lomatium suksdorfii (S. Wats.) Coult. & Rose Suksdorf's desertparsley Lomatium tracyi Mathias & Constance Tracy's desertparsley Lomatium triternatum (Pursh) Coult. & Rose nineleaf biscuitroot Lomatium triternatum var. anomalum (M.E. Jones ex Coult. & Rose) Mathias broadnineleaf biscuitroot Lomatium triternatum var. brevifolium (Coult. & Rose) Mathias nineleaf biscuitroot Lomatium triternatum var. macrocarpum (Coult. & Rose) Mathias nineleaf biscuitroot Lomatium triternatum var. triternatum (Pursh) Coult. & Rose nineleaf biscuitroot Lomatium utriculatum (Nutt. ex Torr. & Gray) Coult. & Rose common lomatium Lomatium vaginatum Coult. & Rose broadsheath desertparsley Lomatium watsonii (Coult. & Rose) Coult. & Rose Watson's desertparsley Oenanthe sarmentosa K. Presl ex DC. water parsely Orogenia fusiformis S. Wats. California Indian potato Orogenia linearifolia S. Wats. Great Basin Indian potato Osmorhiza berteroi DC. sweetcicely Osmorhiza chilensis Hook. & Arn. = Osmorhiza berteroi Osmorhiza depauperata Phil. bluntseed sweetroot Osmorhiza occidentalis (Nutt. ex Torr. & Gray) Torr. western sweetroot Osmorhiza purpurea (Coult. & Rose) Suksdorf purple sweetroot Oxypolis occidentalis Coult. & Rose western cowbane Pastinaca sativa L. wild parsnip Perideridia bacigalupii Chuang & Constance Mother Lode yampah Perideridia bolanderi (Gray) A. Nels. & J.F. Macbr. Bolander's yampah Perideridia erythrorhiza (Piper) Chuang & Constance western yampah Perideridia gairdneri (Hook. & Arn.) Mathias yampa Perideridia gairdneri ssp. borealis Chuang & Constance common yampah Perideridia lemmonii (Coult. & Rose) Chuang & Constance Lemmon's yampah Perideridia oregana (S. Wats.) Mathias squaw potato Perideridia parishii (Coult. & Rose) A. Nels. & J.F. Macbr. Parish's yampah Pteryxia petraea (M.E. Jones) Coult. & Rose rockloving desertparsley Pteryxia terebinthina (Hook.) Coult. & Rose smoothshore springparsley Pteryxia terebinthina var. albiflora (Torr. & Gray) Mathias smoothshore springparsley Pteryxia terebinthina var. foeniculacea (Nutt. ex Torr. & Gray) Mathias turpentine wavewing Pteryxia terebinthina var. terebinthina (Hook.) Coult. & Rose turpentine wavewing Sanicula arctopoides Hook. & Arn. footsteps of spring Sanicula bipinnatifida Dougl. ex Hook. purple sanicle Sanicula crassicaulis Poepp. ex DC. Pacific blacksnakeroot Sanicula crassicaulis var. crassicaulis Poepp. ex DC. Pacific blacksnakeroot Sanicula crassicaulis var. tripartita (Suksdorf) H. Wolff Pacific blacksnakeroot Sanicula graveolens Poepp. ex DC. northern sanicle Sanicula laciniata Hook. & Arn. coastal blacksnakeroot Sanicula peckiana J.F. Macbr. Peck's blacksnakeroot Sanicula tuberosa Torr. turkey pea Scandix pecten-veneris L. shepherdsneedle Sium suave Walt. hemlock waterparsnip Sphenosciadium capitellatum Gray woollyhead parsnip Tauschia glauca (Coult. & Rose) Mathias & Constance glaucous umbrellawort Tauschia howellii (Coult. & Rose) J.F. Macbr. Howell's umbrellawort Tauschia kelloggii (Gray) J.F. Macbr. Kellogg's umbrellawort Tauschia stricklandii (Coult. & Rose) Mathias & Constance Strickland's umbrellawort Torilis arvensis (Huds.) Link spreading hedgeparsley Torilis japonica (Houtt.) DC. erect hedgeparsley Torilis nodosa (L.) Gaertn. knotted hedgeparsley Torilis scabra (Thunb.) DC. rough hedgeparsley Turgenia latifolia (L.) Hoffmann broadleaf false carrot Yabea microcarpa (Hook. & Arn.) K.-Pol. falsecarrot Zizia aptera (Gray) Fern. meadow zizia URTICACEAE Parietaria pensylvanica Muhl. ex Willd. Pennsylvania pellitory Urtica dioica L. stinging nettle Urtica dioica ssp. dioica L. stinging nettle Urtica dioica ssp. gracilis (Ait.) Seland. California nettle Urtica dioica ssp. holosericea (Nutt.) Thorne stinging nettle Urtica gracilis Ait. = Urtica dioica ssp. gracilis Urtica holosericea Nutt. = Urtica dioica ssp. holosericea Urtica lyallii S. Wats. = Urtica dioica ssp. gracilis Urtica urens L. dwarf nettle VALERIANACEAE Centranthus ruber (L.) DC. red valerian Plectritis ciliosa (Greene) Jepson longspur seablush Plectritis congesta (Lindl.) DC. shortspur seablush Plectritis congesta ssp. brachystemon (Fisch. & C.A. Mey.) Morey shortspur seablush Plectritis congesta ssp. congesta (Lindl.) DC. shortspur seablush Plectritis macrocera Torr. & Gray longhorn plectritis Plectritis macrocera ssp. macrocera Torr. & Gray white seablush Valeriana acutiloba Rydb. sharpleaf valerian Valeriana acutiloba var. pubicarpa (Rydb.) Cronq. hairyfruit valerian Valeriana californica Heller California valerian Valeriana capitata ssp. californica (Heller) F.G. Mey. = Valeriana californica Valeriana capitata ssp. pubicarpa (Rydb.) F.G. Mey. = Valeriana acutiloba var. pubicarpa Valeriana edulis Nutt. ex Torr. & Gray edible valerian Valeriana edulis var. edulis Nutt. ex Torr. & Gray tobacco root Valeriana occidentalis Heller western valerian Valeriana officinalis L. garden valerian Valeriana scouleri Rydb. Scouler's valerian Valeriana sitchensis Bong. Sitka valerian Valerianella carinata Loisel. European cornsalad Valerianella locusta (L.) Lat. Lewiston cornsalad VERBENACEAE Verbena L. verbena Verbena bracteata Lag. & Rodr. bigbract verbena Verbena bracteosa Michx. = Verbena bracteata Verbena hastata L. swamp verbena Verbena hastata var. hastata L. swamp verbena Verbena lasiostachys Link western vervain Verbena lasiostachys var. lasiostachys Link western vervain Verbena officinalis L. European valerian VIOLACEAE Viola adunca Sm. hookedspur violet Viola adunca var. adunca Sm. hookedspur violet Viola adunca var. oxyceras (S. Wats.) S. Wats. ex Jepson hookedspur violet Viola arvensis Murr. field pansy Viola bakeri Greene Baker's violet Viola beckwithii Torr. & Gray Beckwith's violet Viola beckwithii ssp. beckwithii Torr. & Gray Beckwith's violet Viola canadensis L. Canadian white violet Viola canadensis var. corymbosa Nutt. ex Torr. & Gray Canadian white violet Viola canadensis var. rugulosa (Greene) C.L. Hitchc. creepingroot violet Viola cuneata S. Wats. wedgeleaf violet Viola douglasii Steud. Douglas' golden violet Viola glabella Nutt. pioneer violet Viola hallii Gray Oregon violet Viola howellii Gray Howell's violet Viola lanceolata L. bog white violet Viola lanceolata ssp. lanceolata L. bog white violet Viola lanceolata ssp. occidentalis (Gray) Russell bog white violet Viola langsdorfii Fisch. ex Gingins Aleutian violet Viola lobata Benth. moosehorn violet Viola lobata ssp. integrifolia (S. Wats.) R.J. Little moosehorn violet Viola lobata var. lobata Benth. moosehorn violet Viola macloskeyi Lloyd small white violet Viola macloskeyi ssp. macloskeyi Lloyd Macloskey's violet Viola macloskeyi ssp. pallens (Banks ex DC.) M.S. Baker smooth white violet Viola ocellata Torr. & Gray pinto violet Viola odorata L. sweet violet Viola orbiculata Geyer ex Holz. darkwoods violet Viola palustris L. marsh violet Viola palustris var. palustris L. marsh violet Viola praemorsa Dougl. ex Lindl. canary violet Viola praemorsa ssp. linguifolia (Nutt.) M.S. Baker & J.C. Clausen ex M.E. Peck upland yellow violet Viola praemorsa ssp. praemorsa Dougl. ex Lindl. canary violet Viola psychodes Greene butterfly violet Viola purpurea Kellogg goosefoot violet Viola purpurea ssp. dimorpha M.S. Baker & J.C. Clausen goosefoot violet Viola purpurea ssp. geophyta M.S. Baker & J.C. Clausen goosefoot violet Viola purpurea ssp. mesophyta M.S. Baker & J.C. Clausen goosefoot violet Viola purpurea ssp. purpurea Kellogg goosefoot violet Viola purpurea ssp. quercetorum (M.S. Baker & J.C. Clausen) R.J. Little goosefoot yellow violet Viola purpurea ssp. venosa (S. Wats.) M.S. Baker & J.C. Clausen goosefoot yellow violet Viola sempervirens Greene evergreen violet Viola sheltonii Torr. Shelton's violet Viola sororia Willd. common blue violet Viola tricolor L. johnny jumpup Viola trinervata (T.J. Howell) T.J. Howell ex Gray Rainier violet Viola vallicola A. Nels. valley violet Viola vallicola var. major (Hook.) Fabijan valley violet Viola vallicola var. vallicola A. Nels. sagebrush violet VISCACEAE Arceuthobium abietinum Engelm. ex Munz fir dwarf mistletoe Arceuthobium americanum Nutt. ex Engelm. American dwarf mistletoe Arceuthobium californicum Hawksworth & Wiens sugar pine dwarf mistletoe Arceuthobium campylopodum Engelm. western dwarf mistletoe Arceuthobium cyanocarpum (A. Nels. ex Rydb.) A. Nels. limber pine dwarf mistletoe Arceuthobium douglasii Engelm. Douglas fir dwarf mistletoe Arceuthobium laricis (Piper) St. John larch dwarf mistletoe Arceuthobium tsugense (Rosendahl) G.N. Jones hemlock dwarf mistletoe Phoradendron bolleanum (Seem.) Eichl. Bollean mistletoe Phoradendron densum Torr. ex Trel. Phoradendron juniperinum Engelm. juniper mistletoe Phoradendron juniperinum ssp. juniperinum Engelm. juniper mistletoe Phoradendron libocedri (Engelm.) T.J. Howell Phoradendron villosum (Nutt.) Nutt. Pacific mistletoe Phoradendron villosum ssp. villosum (Nutt.) Nutt. Pacific mistletoe VITACEAE Vitis californica Benth. California wild grape Vitis riparia Michx. riverbank grape Vitis vinifera L. domestic grape ZANNICHELLIACEAE Zannichellia palustris L. horned pondweed ZYGOPHYLLACEAE Peganum harmala L. (?) harmal peganum Tribulus terrestris L. puncturevine