checklist of the vascular plants of washingtonlonicera caerulea var. cauriana (fern.) boivin bluefly...

Checklist of theVascular Plants of

Washington(excluding grasses and allies

ACERACEAEAcer circinatum Pursh vine mapleAcer glabrum Torr. Rocky Mountain mapleAcer glabrum var. douglasii (Hook.) Dippel Douglas mapleAcer grandidentatum Nutt. bigtooth mapleAcer macrophyllum Pursh bigleaf mapleAcer negundo L. boxelderAcer negundo var. negundo L. boxelderAcer negundo var. violaceum (Kirchn.) Jaeger boxelder

ACORACEAEAcorus americanus (Raf.) Raf. sweetflag

ALISMATACEAEAlisma gramineum Lej. narrowleaf water plantainAlisma plantago-aquatica L. American waterplantainAlisma triviale Pursh northern water plantainBaldellia ranunculoides (L.) Parl. lesser waterplantainMachaerocarpus californicus (Torr. ex Benth.) Small California damsoniumSagittaria latifolia Willd. broadleaf arrowheadSagittaria latifolia var. latifolia Willd. broadleaf arrowheadSagittaria subulata (L.) Buch. awlleaf arrowhead

AMARANTHACEAEWASHINGTON FLORA Checklist

Amaranthus albus L. prostrate pigweedAmaranthus blitoides S. Wats. mat amaranthAmaranthus californicus (Moq.) S. Wats. California amaranthAmaranthus cruentus L. red amaranthAmaranthus hybridus L. slim amaranthAmaranthus powellii S. Wats. Powell's amaranthAmaranthus retroflexus L. redroot amaranthAmaranthus rudis Sauer tall amaranth

ANACARDIACEAERhus diversiloba Torr. & Gray = Toxicodendron diversilobumRhus glabra L. smooth sumacRhus radicans var. rydbergii (Small ex Rydb.) Rehd. = Toxicodendron rydbergiiRhus toxicodendron var. vulgaris Michx. = Toxicodendron rydbergiiToxicodendron diversilobum (Torr. & Gray) Greene Pacific poison oakToxicodendron rydbergii (Small ex Rydb.) Greene western poison ivy

APOCYNACEAEApocynum X floribundum Greene (pro sp.) intermediate dogbaneApocynum androsaemifolium L. spreading dogbaneApocynum androsaemifolium ssp. androsaemifolium L. spreading dogbaneApocynum androsaemifolium ssp. androsaemifolium var. androsaemifolium L. spreading dogbaneApocynum androsaemifolium ssp. androsaemifolium var. incanum A. DC. spreading dogbane

Apocynum androsaemifolium ssp. pumilum (Gray) Boivin spreading dogbaneApocynum androsaemifolium ssp. pumilum var. pumilum Gray low dogbaneApocynum cannabinum L. IndianhempApocynum medium Greene = Apocynum X floribundumApocynum sibiricum Jacq. = Apocynum cannabinumApocynum suksdorfii Greene = Apocynum cannabinumVinca major L. bigleaf periwinkle

ARACEAELysichiton americanus Hulten & St. John American skunkcabbage

ARALIACEAEAralia nudicaulis L. wild sarsaparillaEchinopanax horridus (Sm.) Dcne. & Planch. ex H.A.T. Harms = Oplopanax horridusHedera helix L. English ivyOplopanax horridus Miq. devilsclub

ARISTOLOCHIACEAEAsarum caudatum Lindl. British Columbia wildgingerAsarum caudatum var. caudatum Lindl. British Columbia wildginger

ASCLEPIADACEAEAsclepias cryptoceras S. Wats. pallid milkweedAsclepias cryptoceras ssp. davisii (Woods.) Woods. Davis' milkweedAsclepias fascicularis Dcne. Mexican whorled milkweed

WASHINGTON FLORA Checklist

Asclepias speciosa Torr. showy milkweed

ASPLENIACEAEAsplenium trichomanes L. maidenhair spleenwortAsplenium trichomanes-ramosum L. brightgreen spleenwort

AZOLLACEAEAzolla filiculoides Lam. Pacific azollaAzolla mexicana Schlecht. & Cham. ex K. Presl Mexican azolla

BALSAMINACEAEImpatiens aurella Rydb. paleyellow touchmenotImpatiens capensis Meerb. jewelweedImpatiens ecalcarata Blank. spurless touchmenotImpatiens glandulifera Royle ornamental jewelweedImpatiens noli-tangere L. western touchmenot

BERBERIDACEAEAchlys triphylla (Sm.) DC. vanilla leafBerberis aquifolium Pursh = Mahonia aquifoliumBerberis nervosa Pursh = Mahonia nervosa var. nervosaBerberis repens Lindl. = Mahonia repensBerberis vulgaris L. common barberryMahonia aquifolium (Pursh) Nutt. OregongrapeMahonia nervosa (Pursh) Nutt. Cascade Oregongrape

Mahonia nervosa var. nervosa (Pursh) Nutt. cascade OregongrapeMahonia repens (Lindl.) G. Don creeping OregongrapeVancouveria hexandra (Hook.) Morr. & Dcne. white insideout flower

BETULACEAEAlnus incana (L.) Moench mountain alderAlnus incana ssp. tenuifolia (Nutt.) Breitung thinleaf alderAlnus rhombifolia Nutt. white alderAlnus rubra Bong. red alderAlnus viridis (Vill.) Lam. & DC. sitka alderAlnus viridis ssp. sinuata (Regel) A.& D. Love Sitka alderBetula X utahensis Britt. (pro sp.) northwestern paper birchBetula nana L. bog birchBetula occidentalis Hook. water birchBetula papyrifera Marsh. paper birchBetula papyrifera var. commutata (Regel) Fern. western paper birchCorylus cornuta Marsh. beaked hazelnutCorylus cornuta var. californica (A. DC.) Sharp California hazelnut

BLECHNACEAEBlechnum spicant (L.) Roth deer fernWoodwardia chamissoi Brack. = Woodwardia fimbriataWoodwardia fimbriata Sm. giant chainfern


BORAGINACEAEAllocarya = Plagiobothrys Amsinckia lycopsoides Lehm. tarweed fiddleneckAmsinckia menziesii (Lehm.) A. Nels. & J.F. Macbr. Menzies' fiddleneckAmsinckia menziesii var. intermedia (Fisch & C.A. Mey.) GandersAmsinckia menziesii var. menziesii (Lehm.) A. Nels. & J.F. Macbr.Amsinckia spectabilis Fisch. & C.A. Mey. woolly breechesAmsinckia tessellata Gray bristly fiddleneckAnchusa arvensis (L.) Bieb. small buglossAnchusa azurea P. Mill. Italian buglossAnchusa officinalis L. common buglossAsperugo procumbens L. madwortBuglossoides arvensis (L.) I.M. Johnston corn gromwellCryptantha Lehm. ex G. Don cryptanthaCryptantha affinis (Gray) Greene quill catseyeCryptantha ambigua (Gray) Greene basin catseyeCryptantha celosioides (Eastw.) Payson buttecandleCryptantha circumscissa (Hook. & Arn.) I.M. Johnston cushion catseyeCryptantha circumscissa var. circumscissa (Hook. & Arn.) I.M. Johnston cushion catseyeCryptantha fendleri (Gray) Greene sanddune catseyeCryptantha flaccida (Dougl. ex Lehm.) Greene weakstem catseyeCryptantha intermedia (Gray) Greene Clearwater catseyeCryptantha interrupta (Greene) Payson Elko catseye

Cryptantha leucophaea (Dougl. ex Lehm.) Payson gray catseyeCryptantha pterocarya (Torr.) Greene wingnut catseyeCryptantha pterocarya var. pterocarya (Torr.) Greene wingnut catseyeCryptantha rostellata var. rostellata (Greene) Greene beaked catseyeCryptantha scoparia A. Nels. Pinyon Desert catseyeCryptantha simulans Greene pinewoods catseyeCryptantha spiculifera (Piper) Payson Snake River catseyeCryptantha thompsonii I.M. Johnston Thompson's catseyeCryptantha torreyana (Gray) Greene Torrey's catseyeCryptantha torreyana var. torreyana (Gray) Greene Torrey's catseyeCryptantha watsonii (Gray) Greene Watson's catseyeCynoglossum grande Dougl. ex Lehm. Pacific hound's tongueCynoglossum officinale L. gypsyflowerEchium vulgare L. common vipersbuglossEritrichium nanum (Vill.) Schrad. ex Gaudin arctic alpine forget me notEritrichium nanum var. elongatum (Rydb.) Cronq. arctic alpine forget me notHackelia ciliata (Dougl. ex Lehm.) I.M. Johnston Okanogan stickseedHackelia cinerea (Piper) I.M. Johnston gray stickseedHackelia deflexa (Wahlenb.) Opiz nodding stickseedHackelia deflexa var. americana (Gray) Fern. & I.M. Johnston American stickseedHackelia diffusa (Lehm.) I.M. Johnston spreading stickseedHackelia diffusa var. arida (Piper) R.L. Carr sagebrush stickseedHackelia diffusa var. cottonii (Piper) R.L. Carr


Cotton's stickseedHackelia diffusa var. diffusa (Lehm.) I.M. Johnston spreading stickseedHackelia floribunda (Lehm.) I.M. Johnston manyflower stickseedHackelia hispida (Gray) I.M. Johnston showy stickseedHackelia hispida var. disjuncta R.L. Carr rough stickseedHackelia micrantha (Eastw.) J.L. Gentry Jessica sticktightHackelia venusta (Piper) St. John lesser showy stickseedHeliotropium curassavicum L. salt heliotropeHeliotropium curassavicum var. obovatum DC. seaside heliotropeLappula occidentalis (S. Wats.) Greene flatspine stickseedLappula occidentalis var. cupulata (Gray) Higgins flatspine stickseedLappula occidentalis var. occidentalis (S. Wats.) Greene desert stickseedLappula squarrosa (Retz.) Dumort. European stickseedLithospermum arvense L. = Buglossoides arvensisLithospermum ruderale Dougl. ex Lehm. western gromwellMertensia longiflora Greene small bluebellsMertensia oblongifolia (Nutt.) G. Don oblongleaf bluebellsMertensia paniculata (Ait.) G. Don tall bluebellsMertensia paniculata var. borealis (J.F. Macbr.) L.O. Williams northern bluebellsMertensia paniculata var. paniculata (Ait.) G. Don tall bluebellsMertensia platyphylla Heller broadleaf bluebellsMertensia platyphylla var. platyphylla Heller broadleaf bluebellsMertensia platyphylla var. subcordata (Greene) L.O. Williams broadleaf bluebells

Mertensia umbratilis Greenm. shade bluebellsMyosotis arvensis (L.) Hill field forget me notMyosotis azorica H.C. Wats. ex Hook. Azores forget me notMyosotis discolor Pers. changing forget me notMyosotis laxa Lehm. bay forget me notMyosotis scorpioides L. true forget me notMyosotis stricta Link ex Roemer & J.A. Schultes strict forget me notMyosotis sylvatica Ehrh. ex Hoffmann woodland forget me notMyosotis verna Nutt. spring forget me notPectocarya penicillata (Hook. & Arn.) A. DC. sleeping combseedPectocarya pusilla (A. DC.) Gray little combseedPectocarya setosa Gray moth combseedPlagiobothrys figuratus (Piper) I.M. Johnston ex M.E. Peck fragrant popcornflowerPlagiobothrys figuratus ssp. figuratus (Piper) I.M. Johnston ex M.E. Peck fragrant popcornflowerPlagiobothrys leptocladus (Greene) I.M. Johnston finebranched popcornflowerPlagiobothrys nothofulvus (Gray) Gray rusty popcornflowerPlagiobothrys scouleri (Hook. & Arn.) I.M. Johnston Scouler's popcornflowerPlagiobothrys scouleri var. cusickii (Greene) Higgins Cusick's popcornflowerPlagiobothrys scouleri var. scouleri (Hook. & Arn.) I.M. Johnston Scouler's popcornflowerPlagiobothrys tenellus (Nutt. ex Hook.) Gray Pacific popcornflowerSymphytum asperum Lepechin prickly comfreySymphytum officinale L. common comfrey


Tiquilia nuttallii (Hook.) A. Richards. Nuttall's coldenia

BUDDLEJACEAEBuddleja davidii Franch. orange eye butterflybush

CABOMBACEAEBrasenia schreberi J.F. Gmel. watershield

CACTACEAEOpuntia erinacea Engelm. & Bigelow ex Engelm. grizzlybear pricklypearOpuntia erinacea var. columbiana (Griffiths) L. Benson grizzleybear pricklypearOpuntia fragilis (Nutt.) Haw. brittle pricklypearOpuntia fragilis var. fragilis (Nutt.) Haw. pygmy pricklypearOpuntia polyacantha Haw. plains pricklypearPediocactus simpsonii (Engelm.) Britt. & Rose Simpson hedgehog cactusPediocactus simpsonii var. robustior (Coult.) L. Benson snowball cactus

CALLITRICHACEAECallitriche hermaphroditica L. northern waterstarwortCallitriche heterophylla Pursh larger waterstarwortCallitriche heterophylla ssp. bolanderi (Hegelm.) Calder & Taylor Bolander's waterstarwortCallitriche heterophylla ssp. heterophylla Pursh twoheaded waterstarwortCallitriche palustris L. vernal waterstarwortCallitriche stagnalis Scop. pond waterstarwort

CAMPANULACEAECampanula aparinoides Pursh marsh bellflowerCampanula lasiocarpa Cham. mountain harebellCampanula parryi Gray Parry's bellflowerCampanula parryi var. idahoensis McVaugh Idaho bellflowerCampanula piperi T.J. Howell Olympic bellflowerCampanula rotundifolia L. bluebell bellflowerCampanula scabrella Engelm. rough bellflowerCampanula scouleri Hook. ex A. DC. pale bellflowerDowningia elegans (Dougl. ex Lindl.) Torr. elegant calicoflowerDowningia elegans var. brachypetala (Gandog.) McVaugh elegant calicoflowerDowningia elegans var. elegans (Dougl. ex Lindl.) Torr. elegant calicoflowerDowningia yina Applegate cascade calicoflowerGithopsis specularioides Nutt. common bluecupHeterocodon rariflorum Nutt. rareflower heterocodonHowellia aquatilis Gray water howelliaLobelia dortmanna L. Dortmann's cardinalflowerLobelia kalmii L. Ontario lobeliaTriodanis perfoliata (L.) Nieuwl. clasping Venus' lookingglassTriodanis perfoliata var. perfoliata (L.) Nieuwl. clasping Venus' lookingglass

CANNABACEAECannabis sativa L. marijuanaHumulus lupulus L.


common hop

CAPPARACEAECleome lutea Hook. yellow spiderflowerCleome lutea var. lutea Hook. yellow spiderflowerCleome serrulata Pursh Rocky Mountain beeplantPolanisia dodecandra (L.) DC. roughseed clammyweedPolanisia dodecandra ssp. trachysperma (Torr. & Gray) Iltis sandyseed clammyweed

CAPRIFOLIACEAELinnaea borealis L. twinflowerLinnaea borealis ssp. longiflora (Torr.) Hulten longtube twinflowerLonicera caerulea L. sweetberry honeysuckleLonicera caerulea var. cauriana (Fern.) Boivin bluefly honeysuckleLonicera ciliosa (Pursh) Poir. ex DC. orange honeysuckleLonicera conjugialis Kellogg purpleflower honeysuckleLonicera etrusca Santi Etruscan honeysuckleLonicera hispidula (Lindl.) Dougl. ex Torr. & Gray California honeysuckleLonicera involucrata Banks ex Spreng. twinberry honeysuckleLonicera involucrata var. involucrata Banks ex Spreng. twinberry honeysuckleLonicera utahensis S. Wats. Utah honeysuckleSambucus cerulea var. cerulea Raf. blue elderberrySambucus mexicana ssp. cerulea (Raf.) E. Murr. = Sambucus nigra ssp. ceruleaSambucus nigra L. European black elder

Sambucus nigra ssp. cerulea (Raf.) R. BolliSambucus racemosa L. scarlet elderberrySambucus racemosa ssp. pubens var. arborescens (Torr. & Gray) Gray Pacific red elderSambucus racemosa ssp. pubens var. melanocarpa (Gray) McMinn black elderberrySambucus racemosa var. racemosa L.Symphoricarpos albus (L.) Blake common snowberrySymphoricarpos albus var. laevigatus (Fern.) Blake common snowberrySymphoricarpos hesperius G.N. Jones trailing snowberrySymphoricarpos occidentalis Hook. western snowberrySymphoricarpos oreophilus Gray whortleleaf snowberrySymphoricarpos oreophilus var. utahensis (Rydb.) A. Nels. Utah snowberryViburnum edule (Michx.) Raf. mooseberry viburnumViburnum ellipticum Hook. common viburnumViburnum opulus L. European cranberrybush viburnumViburnum opulus var. americanum Ait. American cranberry viburnum

CARYOPHYLLACEAEAgrostemma githago L. common corncockleArenaria aculeata S. Wats. prickly sandwortArenaria capillaris Poir. mountain sandwortArenaria capillaris ssp. americana Maguire fescue sandwortArenaria congesta Nutt. ballhead sandwortArenaria congesta var. cephaloidea (Rydb.) Maguire sharptip sandwortArenaria congesta var. congesta Nutt. ballhead sandwort


Arenaria congesta var. glandulifera Maguire gland sandwortArenaria congesta var. prolifera Maguire ballhead sandwortArenaria franklinii Dougl. ex Hook. Franklin's sandwortArenaria franklinii var. franklinii Dougl. ex Hook. Franklin's sandwortArenaria franklinii var. thompsonii M.E. Peck Thompson's sandwortArenaria serpyllifolia L. thymeleaf sandwortCardionema ramosissimum (Weinm.) A. Nels. & J.F. Macbr. sandcarpetCerastium arvense L. field chickweedCerastium arvense ssp. strictum (L.) Ugborogho field chickweedCerastium beeringianum Cham. & Schlecht. Bering chickweedCerastium dubium (Bast.) Guepin doubtful chickweedCerastium fontanum Baumg. common chickweedCerastium fontanum ssp. vulgare (Hartman) Greuter & Burdet big chickweedCerastium glomeratum Thuill. sticky chickweedCerastium nutans Raf. nodding chickweedCerastium siculum Guss. dry chickweedDianthus armeria L. Deptford pinkDianthus barbatus L. sweetwilliamDianthus deltoides L. maiden pinkGypsophila paniculata L. babysbreath gypsophilaHolosteum umbellatum L. jagged chickweedHonckenya peploides (L.) Ehrh. seaside sandplantHonckenya peploides ssp. major (Hook.) Hulten

seaside sandplantLepyrodiclis holosteoides (C.A. Mey.) Fenzl ex Fisch. & C.A. Mey. lepyrodiclisLychnis coronaria (L.) Desr. rose campionMinuartia michauxii (Fenzl) Farw. Michaux's stitchwortMinuartia michauxii var. michauxii (Fenzl) Farw. Michaux's stitchwortMinuartia nuttallii (Pax) Briq. Nuttall's sandwortMinuartia nuttallii ssp. nuttallii (Pax) Briq. Nuttall's sandwortMinuartia obtusiloba (Rydb.) House twinflower sandwortMinuartia pusilla (S. Wats.) Mattf. annual sandwortMinuartia pusilla var. pusilla (S. Wats.) Mattf. annual sandwortMinuartia rossii (R. Br. ex Richards.) Graebn. Ross' sandwortMinuartia rubella (Wahlenb.) Hiern beautiful sandwortMinuartia tenella (Nutt.) Mattf. slender stitchwortMoehringia lateriflora (L.) Fenzl bluntleaf sandwortMoehringia macrophylla (Hook.) Fenzl largeleaf sandwortPseudostellaria jamesiana (Torr.) W.A. Weber & R.L. Hartman tuber starwortSagina apetala Ard. annual pearlwortSagina decumbens (Ell.) Torr. & Gray beach pearlwortSagina decumbens ssp. occidentalis (S. Wats.) Crow western pearlwortSagina maxima Gray stickystem pearlwortSagina maxima ssp. crassicaulis (S. Wats.) Crow stickystem pearlwortSagina maxima ssp. maxima Gray stickystem pearlwortSagina procumbens L. birdeye pearlwort


Sagina saginoides (L.) Karst. arctic pearlwortSaponaria officinalis L. bouncingbetScleranthus annuus L. German knotgrassSilene acaulis (L.) Jacq. moss campionSilene acaulis var. exscapa (All.) DC. moss campionSilene antirrhina L. sleepy sileneSilene armeria L. sweet William sileneSilene conica L. striped corn catchflySilene conoidea L. weed sileneSilene dichotoma Ehrh. dichotoma sileneSilene dioica (L.) Clairville red catchflySilene douglasii Hook. Douglas's campionSilene douglasii var. douglasii Hook. Douglas's campionSilene gallica L. common catchflySilene latifolia Poir. bladder campionSilene latifolia ssp. alba (P. Mill.) Greuter & Burdet bladder campionSilene menziesii Hook. Menzies' campionSilene menziesii ssp. menziesii Hook. Menzies' campionSilene menziesii ssp. menziesii var. menziesii Hook. Menzies' campionSilene menziesii ssp. menziesii var. viscosa (Greene) C.L. Hitchc. & Maguire Menzies' campionSilene multinervia S. Wats. manynerve catchflySilene noctiflora L. nightflowering silene

Silene oregana S. Wats. Oregon sileneSilene parryi (S. Wats.) C.L. Hitchc. & Maguire Parry's sileneSilene scouleri Hook. Scouler's campionSilene scouleri ssp. scouleri Hook. Scouler's campionSilene scouleri ssp. scouleri var. pacifica (Eastw.) C.L. Hitchc. Scouler's campionSilene scouleri ssp. scouleri var. scouleri Hook. Scouler's campionSilene seelyi Morton & J.W. Thompson Seely's catchflySilene spaldingii S. Wats. Spalding's sileneSilene suksdorfii B.L. Robins. Suksdorf's sileneSilene vulgaris (Moench) Garcke maidenstearsSpergula arvense L. corn spurrySpergula arvense var. sativum (Boenn.) Mert. & Koch corn spurrySpergularia canadensis (Pers.) G. Don Canadian sandspurrySpergularia canadensis var. occidentalis R.P. Rossb. western sandspurrySpergularia diandra (Guss.) Held. & Sart. diandra sandspurrySpergularia macrotheca (Hornem.) Heynh. sticky sandspurrySpergularia rubra (L.) J.& K. Presl red sandspurrySpergularia salina J.& K. Presl salt sandspurrySpergularia salina var. salina J.& K. Presl salt sandspurryStellaria borealis Bigelow boreal starwortStellaria borealis ssp. borealis Bigelow boreal starwortStellaria borealis ssp. sitchana (Steud.) Piper Sitka starwortStellaria calycantha (Ledeb.) Bong.


northern starwortStellaria crispa Cham. & Schlecht. curled starwortStellaria graminea L. grasslike starwortStellaria graminea var. graminea L. grasslike starwortStellaria humifusa Rottb. saltmarsh starwortStellaria jamesiana Torr. = Pseudostellaria jamesianaStellaria longifolia Muhl. ex Willd. longleaf starwortStellaria longifolia var. longifolia Muhl. ex Willd. longleaf starwortStellaria longipes Goldie longstalk starwortStellaria longipes ssp. longipes Goldie longstalk starwortStellaria longipes var. longipes Goldie longstalk starwortStellaria media (L.) Vill. common chickweedStellaria nitens Nutt. shiny chickweedStellaria obtusa Engelm. Rocky Mountain chickweedVaccaria hispanica (P. Mill.) Rauschert cow soapwort

CELASTRACEAEEuonymus occidentalis Nutt. ex Torr. western wahooEuonymus occidentalis var. occidentalis Nutt. ex Torr. western wahooPaxistima myrsinites (Pursh) Raf. boxleaf myrtle

CERATOPHYLLACEAECeratophyllum echinatum Gray spineless hornwort

CHENOPODIACEAEAtriplex canescens (Pursh) Nutt. fourwing saltbushAtriplex canescens var. canescens (Pursh) Nutt. fourwing saltbushAtriplex falcata (M.E. Jones) Standl. sickle saltbushAtriplex gmelinii C.A. Mey. ex Bong. Gmelin's saltbushAtriplex littoralis L. grassleaf oracheAtriplex micrantha Ledeb. twoscale saltbushAtriplex oblongifolia Waldst. & Kit. oblongleaf oracheAtriplex patula L. spear saltbushAtriplex patula ssp. patula L. spear saltbushAtriplex prostrata Boucher ex DC. triangle oracheAtriplex rosea L. tumbling saltweedAtriplex spinosa (Hook.) Collotzi = Grayia spinosaAtriplex subspicata (Nutt.) Rydb. saline saltbushAtriplex truncata (Torr. ex S. Wats.) Gray wedgescale saltbushBassia hyssopifolia (Pallas) Kuntz fivehorn smotherweedChenopodium album L. lambsquartersChenopodium ambrosioides L. Mexican teaChenopodium atrovirens Rydb. pinyon goosefootChenopodium berlandieri Moq. pitseed goosefootChenopodium berlandieri var. zschackii (J. Murr) J. Murr ex Aschers. Zschack's goosefootChenopodium botrys L. Jerusalem oak goosefootChenopodium capitatum (L.) Ambrosi


blite goosefootChenopodium capitatum var. capitatum (L.) Aschers. strawberry spinachChenopodium chenopodioides (L.) AellenChenopodium desiccatum A. Nels. aridland goosefootChenopodium foliosum (Moench) Aschers. leafy goosefootChenopodium fremontii S. Wats. Fremont's goosefootChenopodium fremontii var. fremontii S. Wats. Fremont's goosefootChenopodium glaucum L. oakleaf goosefootChenopodium hians Standl. hians goosefootChenopodium humile Hook. marshland goosefootChenopodium leptophyllum (Moq.) Nutt. ex S. Wats. narrowleaf goosefootChenopodium murale L. nettleleaf goosefootChenopodium pratericola Rydb. desert goosefootChenopodium pumilio R. Br. clammy goosefootChenopodium rubrum L. red goosefootChenopodium simplex (Torr.) Raf. mapleleaf goosefootChenopodium strictum Roth lateflowering goosefootChenopodium strictum ssp. glaucophyllum (Aellen) Aellen & Just. lateflowering goosefootChenopodium subglabrum (S. Wats.) A. Nels. smooth goosefootChenopodium urbicum L. city goosefootCorispermum hyssopifolium L. common bugseedEurotia lanata (Pursh) Moq. = Krascheninnikovia lanataGrayia spinosa (Hook.) Moq. spiny hopsageKochia scoparia (L.) Schrad.

common kochiaKrascheninnikovia lanata (Pursh) Guldenstaedt winterfatMonolepis nuttalliana (J.A. Schultes) Greene Nuttall's povertyweedNitrophila occidentalis (Moq.) S. Wats. western miterwortSalicornia maritima Wolff & Jefferies slender grasswortSalicornia rubra A. Nels. red swampfireSalicornia virginica L. Virginia glasswortSalsola kali L. prickly Russian thistleSarcobatus vermiculatus (Hook.) Torr. greasewoodSarcocornia perennis (P. Mill.) A.J. Scott chickenclawsSpinacia oleracea L. spinachSuaeda calceoliformis (Hook.) Moq. Pursh seepweedSuaeda maritima (L.) Dumort. herbaceous seepweedSuaeda maritima ssp. maritima (L.) Dumort. herbaceous seepweed

CLUSIACEAEHypericum anagalloides Cham. & Schlecht. trailing St. JohnswortHypericum formosum ssp. scouleri (Hook.) C.L. Hitchc. = Hypericum scouleri ssp. scouleriHypericum majus (Gray) Britt. large St. JohnswortHypericum perforatum L. common St. JohnswortHypericum scouleri Hook. Scouler's St. JohnswortHypericum scouleri ssp. nortoniae (M.E. Jones) J. Gillett Norton's St. JohnswortHypericum scouleri ssp. scouleri Hook. Scouler's St. Johnswort


COMPOSITAEAchillea lanulosa Nutt. = Achillea millefolium var. occidentalisAchillea millefolium L. common yarrowAchillea millefolium var. alpicola (Rydb.) Garrett common yarrowAchillea millefolium var. californica (Pollard) Jepson California yarrowAchillea millefolium var. millefolium L. common yarrowAchillea millefolium var. occidentalis DC. western yarrowAchillea millefolium var. pacifica (Rydb.) G.N. Jones Pacific yarrowAcroptilon repens (L.) DC. hardheadsAdenocaulon bicolor Hook. American trailplantAgeratina occidentalis (Hook.) King & H.E. Robins. western snakerootAgoseris apargioides (Less.) Greene woolly goat chicoryAgoseris apargioides var. maritima (Sheldon) Q. JonesAgoseris aurantiaca (Hook.) Greene orange agoserisAgoseris aurantiaca var. aurantiaca (Hook.) Greene orange agoserisAgoseris elata (Nutt.) Greene tall agoserisAgoseris glauca (Pursh) Raf. pale agoserisAgoseris glauca var. agrestis (Osterhout) Q. Jones ex Cronq. pale agoserisAgoseris glauca var. dasycephala (Torr. & Gray) Jepson pale agoserisAgoseris glauca var. glauca (Pursh) Raf. pale agoserisAgoseris glauca var. monticola (Greene) Q. Jones ex Cronq. pale agoserisAgoseris grandiflora (Nutt.) Greene bigflower agoserisAgoseris heterophylla (Nutt.) Greene annual agoseris

Agoseris heterophylla var. heterophylla (Nutt.) Greene annual agoserisAgoseris retrorsa (Benth.) Greene spearleaf agoserisAmbrosia acanthicarpa Hook. flatspine burr ragweedAmbrosia artemisiifolia L. annual ragweedAmbrosia artemisiifolia var. elatior (L.) Descourtils annual ragweedAmbrosia chamissonis (Less.) Greene silver burr ragweedAmbrosia psilostachya DC. Cuman ragweedAmbrosia trifida L. great ragweedAmbrosia trifida var. trifida L. great ragweedAnaphalis margaritacea (L.) Benth. & Hook. f. western pearlyeverlastingAntennaria anaphaloides Rydb. pearly pussytoesAntennaria dimorpha (Nutt.) Torr. & Gray low pussytoesAntennaria flagellaris (Gray) Gray whip pussytoesAntennaria geyeri Gray pinewoods pussytoesAntennaria howellii Greene Howell's pussytoesAntennaria howellii ssp. howellii Greene Howell's pussytoesAntennaria lanata (Hook.) Greene woolly pussytoesAntennaria luzuloides Torr. & Gray rush pussytoesAntennaria media Greene Rocky Mountain pussytoesAntennaria microphylla Rydb. littleleaf pussytoesAntennaria parvifolia Nutt. smallleaf pussytoesAntennaria pulcherrima (Hook.) Greene showy pussytoesAntennaria racemosa Hook.


raceme pussytoesAntennaria rosea Greene rosy pussytoesAntennaria rosea ssp. arida (E. Nels.) Bayer rosy pussytoesAntennaria rosea ssp. confinis (Greene) Bayer rosy pussytoesAntennaria rosea ssp. pulvinata (Greene) Bayer pulvinate pussytoesAntennaria rosea ssp. rosea Greene rosy pussytoesAntennaria stenophylla (Gray) Gray narrowleaf pussytoesAntennaria umbrinella Rydb. umber pussytoesAnthemis arvensis L. corn chamomileAnthemis cotula L. stinking chamomileAnthemis tinctoria L. golden chamomileArctium lappa L. greater burrdockArctium minus Bernh. lesser burrdockArnica X diversifolia Greene (pro sp.) rayless arnicaArnica amplexicaulis Nutt. clasping arnicaArnica chamissonis Less. chamisso arnicaArnica chamissonis ssp. chamissonis Less. chamisso arnicaArnica chamissonis ssp. chamissonis var. interior Maguire chamisso arnicaArnica chamissonis ssp. foliosa (Nutt.) Maguire chamisso arnicaArnica chamissonis ssp. foliosa var. andina (Nutt.) Ediger & Barkl. chamisso arnicaArnica chamissonis ssp. foliosa var. incana (Gray) Hulten chamisso arnicaArnica cordifolia Hook. heartleaf arnicaArnica discoidea Benth. rayless arnica

Arnica fulgens Pursh foothill arnicaArnica gracilis Rydb. smallhead arnicaArnica latifolia Bong. broadleaf arnicaArnica longifolia D.C. Eat. spearleaf arnicaArnica mollis Hook. hairy arnicaArnica nevadensis Gray Nevada arnicaArnica parryi Gray Parry's arnicaArnica parryi ssp. parryi Gray Parry's arnicaArnica rydbergii Greene Rydberg's arnicaArnica sororia Greene twin arnicaArtemisia absinthium L. European wormwoodArtemisia arbuscula Nutt. low sagebrushArtemisia arbuscula ssp. arbuscula Nutt. gray low sagebrushArtemisia arctica Less. boreal sagebrushArtemisia arctica ssp. arctica Less. boreal sagebrushArtemisia biennis Willd. biennial wormwoodArtemisia campestris L. field sagewortArtemisia campestris ssp. borealis (Pallas) Hall & Clements northern sagewortArtemisia campestris ssp. borealis var. borealis (Pallas) M.E. Peck Pacific wormwoodArtemisia campestris ssp. borealis var. purshii (Hook.) Cronq. Pursh's wormwoodArtemisia campestris ssp. borealis var. scouleriana (Hook.) Cronq. Scouler's wormwoodArtemisia campestris ssp. borealis var. wormskioldii (Bess. ex Hook.) Cronq. Wormskiold's wormwood


Artemisia campestris ssp. caudata (Michx.) Hall & Clements field wormwoodArtemisia campestris ssp. pacifica (Nutt.) Hall & Clements Pacific wormwoodArtemisia douglasiana Bess. California mugwortArtemisia dracunculus L. Russian or false tarragonArtemisia dracunculus ssp. dracunculus L. Russian or false tarragonArtemisia frigida Willd. fringed sagewort, silver sageArtemisia furcata Bieb. forked sagewortArtemisia furcata var. furcata Bieb. forked sagewortArtemisia lindleyana Bess. northwest sagebrushArtemisia ludoviciana Nutt. estafiateArtemisia ludoviciana ssp. candicans (Rydb.) Keck estafiateArtemisia ludoviciana ssp. ludoviciana Nutt. estafiateArtemisia michauxiana Bess. Michaux's sagebrushArtemisia rigida (Nutt.) Gray stiff sagebrushArtemisia suksdorfii Piper coastal wormwoodArtemisia tilesii Ledeb. Tilesius' wormwoodArtemisia tilesii ssp. elatior (Torr. & Gray) Hulten Tilesius' wormwoodArtemisia tridentata Nutt. big sagebrushArtemisia tridentata ssp. tridentata Nutt. basin big sagebrushArtemisia tridentata ssp. vaseyana (Rydb.) Beetle mountain big sagebrushArtemisia tripartita Rydb. threetip sagebrushArtemisia tripartita ssp. tripartita Rydb. Idaho threetip sagebrushAster X amethystinus Nutt. (pro sp.)

amethyst asterAster X columbianus Piper (pro sp.) Columbian asterAster alpigenus ssp. alpigenus (Torr. & Gray) Gray tundra asterAster ascendens Lindl. Chile asterAster campestris Nutt. meadow asterAster campestris var. bloomeri (Gray) Gray Bloomer's asterAster campestris var. campestris Nutt. western meadow asterAster chilensis Nees creeping asterAster chilensis var. chilensis Nees creeping asterAster conspicuus Lindl. showy asterAster cusickii Gray Cusick's asterAster eatonii (Gray) T.J. Howell Eaton's asterAster ericoides L. heath asterAster ericoides var. pansus (Blake) Boivin manyflowered asterAster falcatus Lindl. cluster asterAster foliaceus Lindl. ex DC. alpine leafybract asterAster foliaceus var. apricus Gray leafybract asterAster foliaceus var. canbyi Gray Canby's asterAster foliaceus var. foliaceus Lindl. ex DC. alpine leafybract asterAster foliaceus var. parryi (D.C. Eat.) Gray Parry's asterAster hallii Gray Hall's asterAster hendersonii Fern. Lyall asterAster integrifolius Nutt. thickstem aster


Aster jessicae Piper Jessica's asterAster laevis L. smooth asterAster laevis var. geyeri Gray Geyer's smooth asterAster ledophyllus (Gray) Gray Cascade asterAster ledophyllus var. ledophyllus (Gray) Gray Cascade asterAster meritus A. Nels.Aster novae-angliae L. New England asterAster occidentalis (Nutt.) Torr. & Gray western asterAster occidentalis var. intermedius Gray intermediate asterAster occidentalis var. occidentalis (Nutt.) Torr. & Gray western asterAster oregonensis ssp. oregonensis (Nutt.) Cronq. Oregon asterAster radulinus Gray roughleaf asterAster sibiricus L. Siberian asterAster subspicatus Nees Douglas asterAster subspicatus var. grayi (Suksdorf) Cronq. Gray's asterAster subspicatus var. subspicatus Nees leafybract asterBalsamita major Desf. costmaryBalsamorhiza X terebinthacea (Hook.) Nutt. (pro sp.) balsamrootBalsamorhiza X tomentosa Rydb. (pro sp.) tomentose balsamrootBalsamorhiza careyana Gray Carey's balsamrootBalsamorhiza careyana var. careyana Gray Carey's balsamrootBalsamorhiza deltoidea Nutt. deltoid balsamrootBalsamorhiza hookeri (Hook.) Nutt. Hooker's balsamroot

Balsamorhiza hookeri var. hirsuta (Nutt.) A. Nels. hairy balsamrootBalsamorhiza hookeri var. hookeri (Hook.) Nutt. Hooker's balsamrootBalsamorhiza hookeri var. lagocephala (Sharp) Cronq. rabbithead balsamrootBalsamorhiza incana Nutt. hoary balsamrootBalsamorhiza rosea A. Nels. & J.F. Macbr. rosy balsamrootBalsamorhiza sagittata (Pursh) Nutt. arrowleaf balsamrootBalsamorhiza serrata A. Nels. & J.F. Macbr. serrate balsamrootBellis perennis L. lawndaisyBidens cernua L. nodding beggartickBidens frondosa L. devil's beggartickBidens tripartita L. threelobe beggarticksBidens vulgata Greene big devils beggartickBlepharipappus scaber Hook. rough eyelashweedBlepharipappus scaber ssp. scaber Hook. rough eyelashweedBrachyactis ciliata (Ledeb.) Ledeb. alkali rayless asterBrachyactis ciliata ssp. angusta (Lindl.) A.G. Jones alkali rayless asterBrachyactis frondosa (Nutt.) Gray leafy rayless asterBrickellia grandiflora (Hook.) Nutt. tasselflower brickellbushBrickellia microphylla (Nutt.) Gray littleleaf brickellbushBrickellia microphylla var. microphylla (Nutt.) Gray littleleaf brickellbushBrickellia oblongifolia Nutt. Mojave brickellbushBrickellia oblongifolia var. oblongifolia Nutt. narrowleaf brickellbushCacaliopsis nardosmia (Gray) Gray


silvercrownCanadanthus modestus (Lindl.) NesomCarduus nutans L. nodding plumeless thistleCentaurea biebersteinii DC. spotted knapweedCentaurea calcitrapa L. red star thistleCentaurea cyanus L. garden cornflowerCentaurea debeauxii Gren. & Godr. meadow knapweedCentaurea diffusa Lam. white knapweedCentaurea jacea L. brownray knapweedCentaurea melitensis L. Maltese star thistleCentaurea montana L. mountain cornflowerCentaurea nigra L. lesser knapweedCentaurea nigrescens Willd. Tyrol knapweedCentaurea solstitialis L. yellow star thistleChaenactis douglasii (Hook.) Hook. & Arn. Douglas' dustymaidenChaenactis douglasii var. douglasii (Hook.) Hook. & Arn. Douglas' dustymaidenChaenactis thompsonii Cronq. Thompson's pincushionChondrilla juncea L. hogbiteChrysanthemum balsamita (L.) Baill., non L. = Balsamita majorChrysanthemum leucanthemum L. = Leucanthemum vulgareChrysanthemum parthenium (L.) Bernh. = Tanacetum partheniumChrysothamnus nauseosus (Pallas ex Pursh) Britt. = Ericameria nauseosa ssp. nauseosa var. nauseosaChrysothamnus viscidiflorus (Hook.) Nutt. green rabbitbrushChrysothamnus viscidiflorus ssp. lanceolatus (Nutt.) Hall & Clements

green rabbitbrushChrysothamnus viscidiflorus ssp. puberulus (D.C. Eat.) Hall & Clements green rabbitbrushChrysothamnus viscidiflorus ssp. viscidiflorus (Hook.) Nutt. green rabbitbrushChrysothamnus viscidiflorus ssp. viscidiflorus var. viscidiflorus (Hook.) Nutt. green rabbitbrushCichorium intybus L. chicoryCirsium arvense (L.) Scop. Canadian thistleCirsium brevifolium Nutt. Palouse thistleCirsium brevistylum Cronq. clustered thistleCirsium edule Nutt. edible thistleCirsium foliosum (Hook.) DC. elk thistleCirsium hookerianum Nutt. white thistleCirsium neomexicanum Gray New Mexico thistleCirsium neomexicanum var. utahense (Petrak) Welsh Utah thistleCirsium remotifolium (Hook.) DC. fewleaf thistleCirsium remotifolium ssp. oregonense PetrakCirsium remotifolium ssp. remotifolium (Hook.) DC.Cirsium remotifolium var. remotifolium (Hook.) DC. fewleaf thistleCirsium scariosum Nutt. meadow thistleCirsium scariosum var. scariosum Nutt. meadow thistleCirsium undulatum (Nutt.) Spreng. wavyleaf thistleCirsium undulatum var. undulatum (Nutt.) Spreng. wavyleaf thistleCirsium vulgare (Savi) Ten. bull thistleCnicus benedictus L. blessed thistle


Columbiadoria hallii (Gray) Nesom Hall's columbiadoriaConyza canadensis (L.) Cronq. Canadian horseweedConyza canadensis var. canadensis (L.) Cronq. Canadian horseweedConyza canadensis var. glabrata (Gray) Cronq. Canadian horseweedCoreopsis tinctoria Nutt. golden tickseedCoreopsis tinctoria var. atkinsoniana (Dougl. ex Lindl.) H.M. Parker Atkinson's tickseedCoreopsis tinctoria var. tinctoria Nutt. golden tickseedCotula coronopifolia L. common brassbuttonsCrepis acuminata Nutt. longleaf hawksbeardCrepis acuminata ssp. acuminata Nutt. longleaf hawksbeardCrepis atribarba Heller slender hawksbeardCrepis atribarba ssp. atribarba Heller slender hawksbeardCrepis atribarba ssp. originalis (Babcock & Stebbins) Babcock & Stebbins slender hawksbeardCrepis bakeri Greene Baker's hawksbeardCrepis bakeri ssp. bakeri Greene Baker's hawksbeardCrepis capillaris Wallr. smooth hawksbeardCrepis intermedia Gray limestone hawksbeardCrepis modocensis Greene Siskiyou hawksbeardCrepis modocensis ssp. glareosa (Piper) Babcock & Stebbins Modoc hawksbeardCrepis modocensis ssp. modocensis Greene Modoc hawksbeardCrepis modocensis ssp. rostrata (Coville) Babcock & Stebbins Siskiyou hawksbeardCrepis nana Richards. dwarf alpine hawksbeard

Crepis nana ssp. nana Richards. dwarf alpine hawksbeardCrepis nana ssp. ramosa Babcock dwarf alpine hawksbeardCrepis nicaeensis Balbis ex Pers. Turkish hawksbeardCrepis occidentalis Nutt. largeflower hawksbeardCrepis occidentalis ssp. conjuncta (Jepson) Babcock & Stebbins largeflower hawksbeardCrepis occidentalis ssp. costata (Gray) Babcock & Stebbins largeflower hawksbeardCrepis occidentalis ssp. occidentalis Nutt. largeflower hawksbeardCrepis occidentalis ssp. pumila (Rydb.) Babcock & Stebbins largeflower hawksbeardCrepis pleurocarpa Gray nakedstem hawksbeardCrepis runcinata (James) Torr. & Gray fiddleleaf hawksbeardCrepis runcinata ssp. hispidulosa (T.J. Howell ex Rydb.) Babcock & Stebbins fiddleleaf hawksbeardCrepis runcinata ssp. runcinata (James) Torr. & Gray fiddleleaf hawksbeardCrepis tectorum L. narrowleaf hawksbeardCrocidium multicaule Hook. common springgoldEatonella nivea (D.C. Eat.) Gray white false tickheadEchinops exaltatus Schrad. tall globethistleEchinops rito L. southern globethistleEchinops rito ssp. ruthenicus (Bieb.) Nyman southern globethistleEchinops sphaerocephalus L. great globethistleErechtites hieraciifolia (L.) Raf. ex DC. American burnweedErechtites hieraciifolia var. hieraciifolia (L.) Raf. ex DC. American burnweedEricameria bloomeri (Gray) J.F. Macbr. rabbitbush heathgoldenrod


Ericameria greenei (Gray) Nesom Greene's heathgoldenrodEricameria nauseosa (Pallas ex Pursh) Nesom & BairdEricameria nauseosa ssp. nauseosa (Pallas ex Pursh) Nesom & BairdEricameria nauseosa ssp. nauseosa var. nana Ericameria nauseosa ssp. nauseosa var. nauseosa Ericameria nauseosa ssp. nauseosa var. speciosa Ericameria resinosa Nutt. Columbian heathgoldenrodEricameria viscidiflora (Hook.) L.C. Anders. = Chrysothamnus viscidiflorus ssp. viscidiflorus var. viscidiflorusErigeron acris L.Erigeron acris ssp. acris L.Erigeron acris ssp. acris var. debilis Erigeron acris ssp. politus (Fries) Schinz & R. KellerErigeron aliceae T.J. Howell Alice Eastwood's fleabaneErigeron annuus (L.) Pers. eastern daisy fleabaneErigeron aureus Greene alpine yellow fleabaneErigeron aureus var. aureus Greene alpine yellow fleabaneErigeron basalticus Hoover basalt fleabaneErigeron bloomeri Gray scabland fleabaneErigeron bloomeri var. bloomeri Gray scabland fleabaneErigeron caespitosus Nutt. tufted fleabaneErigeron canadensis L. = Conyza canadensis var. canadensisErigeron chrysopsidis Gray dwarf yellow fleabaneErigeron chrysopsidis ssp. chrysopsidis Gray dwarf yellow fleabaneErigeron compositus Pursh cutleaf daisyErigeron compositus var. compositus Pursh dwarf mountain fleabaneErigeron corymbosus Nutt. longleaf fleabaneErigeron disparipilus Cronq. white cushion fleabane

Erigeron divergens Torr. & Gray spreading fleabaneErigeron eatonii Gray Eaton's fleabaneErigeron eatonii var. villosus (Cronq.) Cronq. Eaton's fleabaneErigeron elatus (Hook.) GreeneErigeron filifolius (Hook.) Nutt. threadleaf fleabaneErigeron filifolius var. filifolius (Hook.) Nutt. threadleaf fleabaneErigeron filifolius var. robustior M.E. Peck threadleaf fleabaneErigeron flettii G.N. Jones Flett's fleabaneErigeron howellii Gray Howell's fleabaneErigeron humilis Graham arctic alpine fleabaneErigeron inornatus (Gray) Gray California rayless fleabaneErigeron inornatus var. inornatus (Gray) Gray California rayless fleabaneErigeron leibergii Piper Leiberg's fleabaneErigeron linearis (Hook.) Piper desert yellow fleabaneErigeron lonchophyllus Hook.Erigeron oreganus Gray gorge fleabaneErigeron peregrinus (Banks ex Pursh) Greene subalpine fleabaneErigeron peregrinus ssp. callianthemus (Greene) Cronq. subalpine fleabaneErigeron peregrinus ssp. callianthemus var. angustifolius (Gray) Cronq. subalpine fleabaneErigeron peregrinus ssp. callianthemus var. callianthemus (Greene) Cronq. subalpine fleabaneErigeron peregrinus ssp. callianthemus var. scaposus (Torr. & Gray) Cronq. subalpine fleabaneErigeron peregrinus ssp. peregrinus (Banks ex Pursh) Greene subalpine fleabane


Erigeron peregrinus ssp. peregrinus var. dawsonii Greene Dawson's fleabaneErigeron peregrinus ssp. peregrinus var. thompsonii (Blake ex J.W. Thompson) Cronq. Thompson's erigeronErigeron philadelphicus L. Philadelphia fleabaneErigeron piperianus Cronq. Piper's fleabaneErigeron poliospermus Gray purple cushion fleabaneErigeron poliospermus var. cereus Cronq. purple cushion fleabaneErigeron poliospermus var. poliospermus Gray purple cushion fleabaneErigeron pumilus Nutt. shaggy fleabaneErigeron pumilus ssp. intermedius Cronq. shaggy fleabaneErigeron pumilus ssp. intermedius var. intermedius (Cronq.) Cronq. shaggy fleabaneErigeron speciosus (Lindl.) DC. aspen fleabaneErigeron speciosus var. macranthus (Nutt.) Cronq. aspen fleabaneErigeron speciosus var. speciosus (Lindl.) DC. aspen fleabaneErigeron strigosus Muhl. ex Willd. prairie fleabaneErigeron strigosus var. septentrionalis (Fern. & Wieg.) Fern. prairie fleabaneErigeron strigosus var. strigosus Muhl. ex Willd. prairie fleabaneErigeron subtrinervis Rydb. ex Porter & Britt. threenerve fleabaneErigeron subtrinervis var. conspicuus (Rydb.) Cronq. threenerve fleabaneEriophyllum Lag. woollysunflowerEriophyllum lanatum (Pursh) Forbes woolly eriophyllumEriophyllum lanatum var. achillaeoides (DC.) Jepson common woollysunflowerEriophyllum lanatum var. integrifolium (Hook.) Smiley common woollysunflower

Eriophyllum lanatum var. lanatum (Pursh) Forbes common woollysunflowerEriophyllum lanatum var. leucophyllum (DC.) W.R. Carter common woollysunflowerEucephalus engelmannii (D.C. Eat.) GreeneEucephalus glaucescens (Gray) GreeneEucephalus paucicapitatus (B.L. Robins.) GreeneEupatorium maculatum L. spotted joepyeweedEupatorium maculatum var. bruneri (Gray) Breitung spotted joepyeweedEupatorium occidentale Hook. = Ageratina occidentalisEuthamia graminifolia (L.) Nutt. flattop goldentopEuthamia occidentalis Nutt. western goldentopFilago arvensis L. field cottonroseFranseria = Ambrosia Gaillardia aristata Pursh common gaillardiaGalinsoga Ruiz & Pavon galinsogaGalinsoga quadriradiata Ruiz & Pavon shaggysoldierGamochaeta purpurea (L.) Cabrera spoonleaf purple everlastingGnaphalium arvense L. = Filago arvensisGnaphalium californicum DC. = Pseudognaphalium californicumGnaphalium margaritaceum L. = Anaphalis margaritaceaGnaphalium palustre Nutt. western marsh cudweedGnaphalium uliginosum L. marsh cudweedGrindelia columbiana (Piper) Rydb. Columbia River gumweedGrindelia integrifolia DC. Puget Sound gumweedGrindelia integrifolia var. integrifolia DC. Puget Sound gumweed


Grindelia nana Nutt. Idaho gumweedGrindelia nana var. integerrima (Rydb.) Steyermark Idaho gumweedGrindelia nana var. nana Nutt. Idaho gumweedGrindelia squarrosa (Pursh) Dunal curlycup gumweedGrindelia squarrosa var. serrulata (Rydb.) Steyermark curlycup gumweedGrindelia squarrosa var. squarrosa (Pursh) Dunal curlycup gumweedGrindelia stricta DC.Grindelia stricta var. stricta DC.Gutierrezia sarothrae (Pursh) Britt. & Rusby broom snakeweedGutierrezia tenuis Greene = Gutierrezia sarothraeHaplopappus alpigenus Torr. & Gray = Oreostemma alpigenum var. alpigenumHaplopappus bloomeri Gray = Ericameria bloomeriHaplopappus brandegei Gray = Erigeron aureus var. aureusHaplopappus carthamoides (Hook.) Gray = Pyrrocoma carthamoides var. carthamoidesHaplopappus greenei Gray = Ericameria greeneiHaplopappus hallii Gray = Columbiadoria halliiHaplopappus lanuginosus Gray = Stenotus lanuginosus var. lanuginosusHaplopappus liatriformis (Greene) St. John = Pyrrocoma liatriformisHaplopappus lyallii Gray = Tonestus lyalliiHaplopappus resinosus (Nutt.) Gray = Ericameria resinosaHaplopappus stenophyllus Gray = Stenotus stenophyllusHelenium autumnale L. common sneezeweedHelenium autumnale var. grandiflorum (Nutt.) Torr. & Gray fall sneezeweedHelenium autumnale var. montanum (Nutt.) Fern.

mountain sneezeweedHelianthella uniflora (Nutt.) Torr. & Gray oneflower helianthellaHelianthella uniflora var. douglasii (Torr. & Gray) W.A. Weber Douglas' helianthellaHelianthus annuus L. common sunflowerHelianthus cusickii Gray Cusick's sunflowerHelianthus grosseserratus Martens sawtooth sunflowerHelianthus maximiliani Schrad. Maximilian sunflowerHelianthus nuttallii Torr. & Gray Nuttall's sunflowerHelianthus nuttallii ssp. nuttallii Torr. & Gray Nuttall's sunflowerHelianthus petiolaris Nutt. prairie sunflowerHelianthus petiolaris ssp. petiolaris Nutt. prairie sunflowerHelianthus tuberosus L. Jerusalem artichokeHeliopsis helianthoides (L.) Sweet sunflower heliopsisHeliopsis helianthoides var. scabra (Dunal) Fern. smooth oxeyeHemizonia pungens (Hook. & Arn.) Torr. & Gray common spikeweedHemizonia pungens ssp. septentrionalis Keck common tarweedHeterotheca barbata (Rydb.) Semple Spokane falsegoldenasterHeterotheca oregona (Nutt.) Shinners Oregon goldenasterHeterotheca oregona var. oregona (Nutt.) Shinners Oregon goldenasterHeterotheca villosa (Pursh) Shinners hairy goldenasterHeterotheca villosa var. hispida (Hook.) Harms bristly hairy goldasterHeterotheca villosa var. villosa (Pursh) Shinners hairy goldenasterHieracium albiflorum Hook. white hawkweed


Hieracium aurantiacum L. orange hawkweedHieracium canadense Michx. Canadian hawkweedHieracium canadense var. canadense Michx. Canadian hawkweedHieracium gracile Hook. slender hawkweedHieracium gracile var. detonsum (Gray) Gray low alpine hawkweedHieracium gracile var. gracile Hook. slender hawkweedHieracium longiberbe T.J. Howell longbeard hawkweedHieracium scouleri Hook. woollyweedHieracium scouleri var. scouleri Hook. Scouler's woollyweedHieracium umbellatum L. narrowleaf hawkweedHulsea nana Gray dwarf alpinegoldHymenopappus filifolius Hook. fineleaf hymenopappusHymenopappus filifolius var. filifolius Hook. fineleaf hymenopappusHypochaeris glabra L. smooth catsearHypochaeris radicata L. hairy catsearIonactis stenomeres (Gray) Greene ionactisIva axillaris Pursh povertyweedIva xanthifolia Nutt. giant sumpweedJaumea carnosa (Less.) Gray marsh jaumeaLactuca biennis (Moench) Fern. tall blue lettuceLactuca canadensis L. Canada lettuceLactuca ludoviciana (Nutt.) Riddell biannual lettuceLactuca sativa L.

garden lettuceLactuca scariola L. = Lactuca serriolaLactuca serriola L. prickly lettuceLactuca tatarica (L.) C.A. Mey. blue lettuceLactuca tatarica var. pulchella (Pursh) Breitung blue lettuceLagophylla ramosissima Nutt. branched lagophyllaLapsana communis L. common nipplewortLasthenia glaberrima DC. smooth goldfieldsLasthenia maritima (Gray) Ornduff seaside goldfieldsLayia glandulosa (Hook.) Hook. & Arn. whitedaisy tidytipsLayia glandulosa ssp. glandulosa (Hook.) Hook. & Arn. whitedaisy tidytipsLeontodon autumnalis L. fall dandelionLeontodon taraxacoides (Vill.) Merat lesser hawkbitLeucanthemum leucanthemum (L.) Rydb. = Leucanthemum vulgareLeucanthemum maximum (Ramond) DC. Shasta daisyLeucanthemum vulgare Lam. oxeyedaisyLuina hypoleuca Benth. littleleaf silverbackLygodesmia juncea (Pursh) D. Don ex Hook. rush skeletonplantMachaeranthera canescens (Pursh) Gray hoary asterMachaeranthera canescens ssp. canescens (Pursh) Gray hoary asterMachaeranthera canescens ssp. canescens var. canescens (Pursh) Gray cutleaf goldenweedMachaeranthera canescens ssp. canescens var. incana (Lindl.) Gray cutleaf goldenweedMadia citriodora Greene lemonscented madia


Madia elegans D. Don ex Lindl. common madiaMadia elegans ssp. elegans D. Don ex Lindl. common madiaMadia exigua (Sm.) Gray small tarweedMadia glomerata Hook. mountain tarweedMadia gracilis (Sm.) Keck & J. Clausen ex Applegate grassy tarweedMadia gracilis ssp. gracilis (Sm.) Keck & J. Clausen ex Applegate grassy tarweedMadia madioides (Nutt.) Greene woodland madiaMadia minima (Gray) Keck oppositeleaved tarweedMadia sativa Molina coast tarweedMatricaria chamomilla L. 1755 & 1763, non 1753 = Matricaria recutitaMatricaria discoidea DC. disc mayweedMatricaria matricarioides (Less.) Porter = Matricaria discoideaMatricaria recutita L. mayweedMatricaria suaveolens (Pursh) Buch., non L. = Matricaria discoideaMatricaria suaveolens L. = Matricaria recutitaMegalodonta beckii (Torr. ex Spreng.) Greene aquatic beggartickMegalodonta beckii var. beckii (Torr. ex Spreng.) Greene Beck's watermarigoldMicroseris bigelovii (Gray) Schultz-Bip. coastal silverpuffsMicroseris borealis (Bong.) Schultz-Bip. apargidiumMicroseris laciniata (Hook.) Schultz-Bip. cutleaf silverpuffsMicroseris laciniata ssp. laciniata (Hook.) Schultz-Bip. cutleaf silverpuffsMicroseris nutans (Hook.) Schultz-Bip. nodding microcerisMicroseris nutans ssp. nutans (Hook.) Schultz-Bip.

nodding silverpuffsMycelis muralis (L.) Dumort. walllettuceNothocalais alpestris (Gray) Chambers alpine lake prairiedandelionNothocalais troximoides (Gray) Greene weevil microserisOnopordum acanthium L. Scotch cottonthistleOreostemma alpigenum (Torr. & Gray) NesomOreostemma alpigenum var. alpigenum (Torr. & Gray) NesomPetasites frigidus (L.) Fries Arctic sweet coltsfootPetasites frigidus var. frigidus (L.) Fries Arctic sweet coltsfootPetasites frigidus var. nivalis (Greene) Cronq. Arctic sweet coltsfootPetasites frigidus var. palmatus (Ait.) Cronq. Arctic sweet coltsfootPetasites palmatus (Ait.) Gray = Petasites frigidus var. palmatusPetasites sagittatus (Banks ex Pursh) Gray arrowleaf sweet coltsfootPrenanthes alata (Hook.) D. Dietr. western rattlesnakerootPseudognaphalium californicum (DC.) A. Anderb.Pseudognaphalium canescens (DC.) W.A. WeberPseudognaphalium canescens ssp. microcephalum (Nutt.) Kartesz, comb. nov. ined.Pseudognaphalium luteoalbum (L.) Hilliard & BurttPseudognaphalium stramineum (Kunth) W.A. WeberPseudognaphalium viscosum (Kunth) W.A. WeberPsilocarphus brevissimus Nutt. short woollyheadsPsilocarphus brevissimus var. brevissimus Nutt. short woollyheadsPsilocarphus elatior (Gray) Gray meadow woollyheadsPsilocarphus oregonus Nutt. Oregon woollyheadsPsilocarphus tenellus Nutt. slender woollyheadsPsilocarphus tenellus var. tenellus Nutt. slender woollyheadsPyrrocoma carthamoides Hook.


largeflower goldenweedPyrrocoma carthamoides var. carthamoides Hook. loved goldenweedPyrrocoma carthamoides var. cusickii (Gray) Kartesz & Gandhi narrowhead goldenweedPyrrocoma hirta (Gray) Greene tacky goldenweedPyrrocoma hirta var. sonchifolia (Greene) Kartesz & Gandhi tacky goldenweedPyrrocoma liatriformis Greene smallhead goldenweedRainiera stricta (Greene) Greene false silverbackRigiopappus leptocladus Gray wireweedRudbeckia alpicola PiperRudbeckia hirta L. blackeyed SusanRudbeckia hirta var. pulcherrima Farw. blackeyed SusanRudbeckia occidentalis Nutt. western coneflowerRudbeckia occidentalis var. occidentalis Nutt. western coneflowerSaussurea americana D.C. Eat. American saussureaSenecio bolanderi Gray Bolander's ragwortSenecio bolanderi var. bolanderi Gray Bolander's ragwortSenecio bolanderi var. harfordii (Greenm.) T.M. Barkl. Harford's ragwortSenecio canus Hook. woolly groundselSenecio cymbalaria Pursh dwarf arctic ragwortSenecio cymbalarioides Buek cleftleaf groundselSenecio elmeri Piper Elmer's ragwortSenecio flettii Wieg. Flett's ragwortSenecio fremontii Torr. & Gray Fremont's groundselSenecio fremontii var. fremontii Torr. & Gray

Fremont's groundselSenecio hydrophiloides Rydb. tall groundwelSenecio hydrophilus Nutt. water groundselSenecio indecorus Greene elegant groundselSenecio integerrimus Nutt. lambstongue groundselSenecio integerrimus var. exaltatus (Nutt.) Cronq. Columbia groundselSenecio integerrimus var. ochroleucus (Gray) Cronq. paleyellow groundselSenecio jacobaea L. stinking willieSenecio lugens Richards. small blacktip groundselSenecio macounii Greene Siskiyou Mountain ragwortSenecio neowebsteri Blake Olympic Mountain ragwortSenecio pauciflorus Pursh alpine groundselSenecio pauperculus Michx. balsam groundselSenecio pseudaureus Rydb. falsegold groundselSenecio pseudaureus var. pseudaureus Rydb. falsegold groundselSenecio serra Hook. butterweed groundselSenecio serra var. serra Hook. tall ragwortSenecio streptanthifolius Greene cleftleaf groundselSenecio streptanthifolius var. streptanthifolius Greene cleftleaf groundselSenecio sylvaticus L. woodland ragwortSenecio triangularis Hook. arrowleaf groundselSenecio vulgaris L. common groundselSericocarpus oregonensis Nutt.Sericocarpus oregonensis var. oregonensis Nutt.


Sericocarpus rigidus Lindl.Silybum marianum (L.) Gaertn. blessed milkthistleSolidago canadensis L. Canada goldenrodSolidago canadensis var. gilvocanescens Rydb. shorthair goldenrodSolidago canadensis var. salebrosa (Piper) M.E. Jones salebrosa goldenrodSolidago gigantea Ait. giant goldenrodSolidago missouriensis Nutt. Missouri goldenrodSolidago missouriensis var. fasciculata Holz. Missouri goldenrodSolidago missouriensis var. missouriensis Nutt. Missouri goldenrodSolidago missouriensis var. tolmieana (Gray) Cronq. Tolmies' goldenrodSolidago multiradiata Ait. mountain goldenrodSolidago multiradiata var. scopulorum Gray manyray goldenrodSolidago simplex Kunth Mt. Albert goldenrodSolidago simplex ssp. simplex Kunth Mt. Albert goldenrodSolidago simplex ssp. simplex var. nana (Gray) Ringius dwarf goldenrodSolidago simplex ssp. simplex var. simplex Kunth Mt. Albert goldenrodSolidago simplex ssp. simplex var. spathulata Solidago spathulata var. spathulata DC. coastaldune goldenrodSolidago uliginosa Nutt. bog goldenrodSonchus arvensis L. field sowthistleSonchus arvensis ssp. arvensis L. field sowthistleSonchus arvensis ssp. uliginosus (Bieb.) Nyman moist sowthistleSonchus asper (L.) Hill spiny sowthistleSonchus oleraceus L.

common sowthistleStenotus lanuginosus (Gray) Greene woolly mock goldenweedStenotus lanuginosus var. lanuginosus (Gray) Greene cespitose goldenweedStenotus stenophyllus (Gray) Greene narrowleaf goldenweedStephanomeria paniculata Nutt. tufted wirelettuceStephanomeria tenuifolia (Raf.) Hall narrowleaf wirelettuceStephanomeria tenuifolia var. tenuifolia (Raf.) Hall narrowleaf wirelettuceTanacetum balsamita L. = Balsamita majorTanacetum camphoratum Less. camphor tansyTanacetum parthenium (L.) Schultz-Bip. feverfewTanacetum vulgare L. common tansyTaraxacum eriophorum Rydb. woolbearing dandelionTaraxacum laevigatum (Willd.) DC. rock dandelionTaraxacum lyratum (Ledeb.) DC. harp dandelionTaraxacum officinale G.H. Weber ex Wiggers common dandelionTaraxacum officinale ssp. ceratophorum (Ledeb.) Schinz ex Thellung fleshy dandelionTaraxacum officinale ssp. officinale G.H. Weber ex Wiggers wandering dandelionTetradymia canescens DC. spineless horsebrushTonestus lyallii (Gray) A. Nels. Lyall's goldenweedTownsendia florifer (Hook.) Gray showy townsendiaTragopogon dubius Scop. yellow salsifyTragopogon mirus Ownbey remarkable goatsbeardTragopogon miscellus Ownbey Moscow salsify


Tragopogon porrifolius L. salsifyTragopogon pratensis L. meadow salsifyTrimorpha acris (L.) Nesom bitter boreal daisyTrimorpha lonchophylla var. lonchophylla (Hook.) Nesom spearleaf fleabaneTripleurospermum maritima (L.) W.D.J. KochTripleurospermum maritima ssp. maritima (L.) W.D.J. KochUropappus linearifolius Nutt.Wyethia amplexicaulis (Nutt.) Nutt. mulesears wyethiaWyethia angustifolia (DC.) Nutt. California compassplantXanthium spinosum L. spiny cockleburrXanthium strumarium L. rough cockleburrXanthium strumarium var. canadense (P. Mill.) Torr. & Gray Canada cockleburrXanthium strumarium var. glabratum (DC.) Cronq. rough cockleburr

CONVOLVULACEAECalystegia atriplicifolia Hallier f. nightblooming false bindweedCalystegia atriplicifolia ssp. atriplicifolia Hallier f. nightblooming false bindweedCalystegia sepium (L.) R. Br. hedge false bindweedCalystegia sepium ssp. sepium (L.) R. Br. hedge false bindweedCalystegia soldanella (L.) R. Br. ex Roemer & J.A. Schultes seashore false bindweedConvolvulus arvensis L. field bindweedConvolvulus sepium L. = Calystegia sepium ssp. sepiumCuscuta approximata Bab. alfalfa dodderCuscuta approximata var. urceolata (Kunze) Yuncker alfalfa dodder

Cuscuta californica Hook. & Arn. chaparral dodderCuscuta californica var. breviflora Engelm. California dodderCuscuta californica var. californica Hook. & Arn. California dodderCuscuta cephalanthi Engelm. buttonbush dodderCuscuta denticulata Engelm. desert dodderCuscuta epilinum Weihe flax dodderCuscuta epithymum L. clover dodderCuscuta pentagona Engelm. fiveangled dodderCuscuta pentagona var. pentagona Engelm. fiveangled dodderCuscuta planiflora Ten. smallseed dodderCuscuta salina Engelm. saltmarsh dodderCuscuta salina var. major Yuncker goldenthreadCuscuta salina var. salina Engelm. saltmarsh dodderCuscuta suksdorfii Yuncker mountain dodderCuscuta suksdorfii var. suksdorfii Yuncker Suksdorf's dodder

CORNACEAECornus alba L. p.p. = Cornus sericea ssp. sericeaCornus canadensis L. bunchberry dogwoodCornus nuttallii Audubon ex Torr. & Gray Pacific dogwoodCornus sericea L. redosier dogwoodCornus sericea ssp. occidentalis (Torr. & Gray) Fosberg western dogwoodCornus sericea ssp. sericea L. redosier dogwood


Cornus stolonifera Michx. = Cornus sericea ssp. sericeaCornus unalaschkensis Ledeb. western cordilleran bunchberry

CRASSULACEAECrassula aquatica (L.) Schoenl. water pygmyweedCrassula saginoides (Maxim.) Bywater & Wickens wrinkleseed pygmyweedRhodiola = Sedum Sedum acre L. goldmoss stonecropSedum borschii (Clausen) Clausen Leiberg stonecropSedum divergens S. Wats. Pacific stonecropSedum integrifolium (Raf.) A. Nels. ledge stonecropSedum integrifolium ssp. integrifolium (Raf.) A. Nels. entireleaf stonecropSedum lanceolatum Torr. spearleaf stonecropSedum lanceolatum ssp. lanceolatum Torr. spearleaf stonecropSedum lanceolatum ssp. nesioticum (G.N. Jones) Clausen spearleaf stonecropSedum oreganum Nutt. kings crownSedum oreganum ssp. oreganum Nutt. Oregon stonecropSedum oreganum ssp. tenue Clausen Oregon stonecropSedum rosea (L.) Scop. roseroot stonecropSedum rupicola G.N. Jones curvedleaf stonecropSedum spathulifolium Hook. broadleaf stonecropSedum spathulifolium ssp. pruinosum (Britt.) Clausen & Uhl broadleaf stonecropSedum spathulifolium ssp. spathulifolium Hook. broadleaf stonecrop

Sedum stenopetalum Pursh wormleaf stonecropSedum stenopetalum ssp. monanthum (Suksdorf) Clausen wormleaf stonecropSedum stenopetalum ssp. stenopetalum Pursh wormleaf stonecropTillaea = Crassula

CROSSOSOMATACEAEForsellesia arida (M.E. Jones) Heller = Glossopetalon spinescens var. aridumForsellesia nevadensis (Gray) Greene = Glossopetalon spinescens var. aridumForsellesia stipulifera (St. John) Ensign = Glossopetalon spinescens var. aridumGlossopetalon Gray greasebushGlossopetalon nevadense Gray = Glossopetalon spinescens var. aridumGlossopetalon nevadense var. stipuliferum (St. John) C.L. Hitchc. = Glossopetalon spinescens var. aridumGlossopetalon spinescens Gray spiny greasebushGlossopetalon spinescens var. aridum M.E. Jones spiny greasebush

CRUCIFERAEAlyssum alyssoides (L.) L. pale madwortAlyssum desertorum Stapf desert madwortArabidopsis thaliana (L.) Heynh. mouseear cressArabis X divaricarpa A. Nels. (pro sp.) spreadingpod rockcressArabis crucisetosa Constance & Rollins wetsoil rockcressArabis cusickii S. Wats. Cusick's rockcressArabis drummondii Gray Drummond's rockcressArabis furcata S. Wats.


Columbia Gorge rockcressArabis furcata var. furcata S. Wats. Columbia Gorge rockcressArabis furcata var. olympica (Piper) Rollins Columbia Gorge rockcressArabis glabra (L.) Bernh. tower rockcressArabis glabra var. glabra (L.) Bernh. tower rockcressArabis hirsuta (L.) Scop. hairy rockcressArabis hirsuta var. eschscholtziana (Andrz.) Rollins Eschscholtz's hairy rockcressArabis hirsuta var. glabrata Torr. & Gray mountain rockcressArabis holboellii Hornem. Holboell's rockcressArabis holboellii var. holboellii Hornem. Holboell's rockcressArabis holboellii var. pendulocarpa (A. Nels.) Rollins dropseed rockcressArabis holboellii var. pinetorum (Tidestrom) Rollins Holboell's rockcressArabis holboellii var. retrofracta (Graham) Rydb. second rockcressArabis lemmonii S. Wats. Lemmon's rockcressArabis lemmonii var. lemmonii S. Wats. Lemmon's rockcressArabis lemmonii var. paddoensis Rollins Paddo rockcressArabis lyallii S. Wats. Lyall's rockcressArabis lyrata L. lyrate rockcressArabis lyrata var. kamchatica Fisch. ex DC. Kamchatica rockcressArabis microphylla Nutt. littleleaf rockcressArabis microphylla var. microphylla Nutt. smallleaf rockcressArabis nuttallii B.L. Robins. Nuttall's rockcressArabis perennans S. Wats. perennial rockcress

Arabis puberula Nutt. silver rockcressArabis sparsiflora Nutt. sicklepod rockcressArabis sparsiflora var. atrorubens (Suksdorf ex Greene) Rollins elegant rockcressArabis sparsiflora var. sparsiflora Nutt. sicklepod rockcressArabis sparsiflora var. subvillosa (S. Wats.) Rollins hairystem rockcressArabis suffrutescens S. Wats. woody rockcressArabis suffrutescens var. suffrutescens S. Wats. woody rockcressArmoracia rusticana P.G. Gaertn., B. Mey. & Scherb. horseradishAthysanus pusillus (Hook.) Greene common sandweedBarbarea orthoceras Ledeb. American yellowrocketBarbarea verna (P. Mill.) Aschers. early yellowrocketBarbarea vulgaris Ait. f. garden yellowrocketBerteroa incana (L.) DC. hoary false madwortBrassica juncea (L.) Czern. India mustardBrassica nigra (L.) W.D.J. Koch black mustardBrassica oleracea L. cabbageBrassica oleracea var. acephala DC. cabbageBrassica rapa L. rape mustardBrassica rapa var. rapa L. birdrapeCakile edentula (Bigelow) Hook. American searocketCamelina microcarpa DC. littlepod falseflaxCamelina sativa (L.) Crantz gold-of-pleasureCapsella bursa-pastoris (L.) Medik.


shepherd's purseCardamine angulata Hook. seaside bittercressCardamine bellidifolia L. alpine bittercressCardamine bellidifolia var. bellidifolia L. alpine bittercressCardamine breweri S. Wats. Brewer's bittercressCardamine breweri var. breweri S. Wats. Brewer's bittercressCardamine breweri var. leibergii (Holz.) C.L. Hitchc. Leiberg's bittercressCardamine breweri var. orbicularis (Greene) Detling Sierran bittercressCardamine cordifolia Gray heartleaf bittercressCardamine cordifolia var. lyallii (S. Wats.) A. Nels. & J.F. Macbr.Cardamine nuttallii Greene Nuttall's toothwortCardamine nuttallii var. nuttallii Greene palmate toothwortCardamine occidentalis (S. Wats. ex B.L. Robins.) T.J. Howell big western bittercressCardamine oligosperma Nutt. Idaho bittercressCardamine oligosperma var. kamtschatica (Regel) Detling umbel bittercressCardamine oligosperma var. oligosperma Nutt. little western bittercressCardamine pensylvanica Muhl. ex Willd. Pennsylvania bittercressCardaria chalapensis (L.) Hand.-Maz.Cardaria draba (L.) Desv. pepperweed whitetopCardaria draba ssp. draba (L.) Desv. heartpod hoarycressCardaria pubescens (C.A. Mey.) Jarmolenko hairy whitetopCaulanthus lasiophyllus var. lasiophyllus (Hook. & Arn.) Payson coast range wild cabbageChorispora tenella (Pallas) DC. crossflowerCochlearia armoracia L. = Armoracia rusticana

Cochlearia groenlandica L. Danish scurvygrassConringia orientalis (L.) Dumort. hare's ear mustardCoronopus didymus (L.) Sm. lesser swinecressCusickiella douglasii (Gray) Rollins alkali false whitlowgrassDescurainia incana (Bernh. ex Fisch. & C.A. Mey.) Dorn mountain tansymustardDescurainia incana ssp. incisa (Engelm.) Kartesz & Gandhi mountain tansymustardDescurainia incana ssp. viscosa (Rydb.) Kartesz & Gandhi mountain tansymustardDescurainia pinnata (Walt.) Britt. western tansymustardDescurainia pinnata ssp. filipes (Gray) Detling western tansymustardDescurainia pinnata ssp. nelsonii (Rydb.) Detling Nelson's tansymustardDescurainia sophia (L.) Webb ex Prantl herb sophiaDraba albertina Greene slender whitlowgrassDraba aurea Vahl ex Hornem. golden whitlowgrassDraba aureola S. Wats. Mt. Lassen whitlowgrassDraba breweri S. Wats. cushion whitlowgrassDraba breweri var. cana (Rydb.) RollinsDraba crassifolia Graham snowbed whitlowgrassDraba crassifolia var. crassifolia Graham snowbed whitlowgrassDraba densifolia Nutt. denseleaf whitlowgrassDraba incerta Payson Yellowstone whitlowgrassDraba lonchocarpa Rydb. lancepod whitlowgrassDraba lonchocarpa var. lonchocarpa Rydb. lancepod whitlowgrassDraba lonchocarpa var. thompsonii (C.L. Hitchc.) Rollins Thompson's whitlowgrass


Draba longipes Raup longstalk whitlowgrassDraba nemorosa L. woodland whitlowgrassDraba oligosperma Hook. fewseed whitlowgrassDraba paysonii J.F. Macbr. Payson's whitlowgrassDraba paysonii var. treleasii (O.E. Schulz) C.L. Hitchc. Trelease's whitlowgrassDraba platycarpa Torr. & Gray broadpod whitlowgrassDraba praealta Greene tall whitlowgrassDraba reptans (Lam.) Fern. Carolina whitlowgrassDraba ruaxes Payson & St. John Rainier whitlowgrassDraba verna L. spring whitlowgrassEruca vesicaria (L.) Cav. rocketsaladEruca vesicaria ssp. sativa (P. Mill.) Thellung rocketsaladErucastrum gallicum (Willd.) O.E. Schulz common dogmustardErysimum arenicola S. Wats. cascade wallflowerErysimum arenicola var. arenicola S. Wats. cascade wallflowerErysimum arenicola var. torulosum (Piper) C.L. Hitchc. cascade wallflowerErysimum capitatum (Dougl. ex Hook.) Greene sanddune wallflowerErysimum capitatum var. capitatum (Dougl. ex Hook.) Greene sanddune wallflowerErysimum cheiranthoides L. wormseed wallflowerErysimum inconspicuum (S. Wats.) MacM. shy wallflowerErysimum inconspicuum var. inconspicuum (S. Wats.) MacM. shy wallflowerErysimum occidentale (S. Wats.) B.L. Robins. pale wallflowerErysimum repandum L.

spreading wallflowerEuclidium syriacum (L.) Ait. f. Syrian mustardGuillenia lasiophylla (Hook. & Arn.) GreeneHalimolobos whitedii (Piper) Rollins Whited's fissurewortHesperis matronalis L. dames rocketHutchinsia procumbens (L.) Desv. prostrate hutchinsiaIdahoa scapigera (Hook.) A. Nels. & J.F. Macbr. oldstem idahoaLepidium bourgeauanum Thellung Bourgeau's pepperweedLepidium campestre (L.) Ait. f. field pepperweedLepidium densiflorum Schrad. common pepperweedLepidium densiflorum var. densiflorum Schrad. common pepperweedLepidium densiflorum var. elongatum (Rydb.) Thellung tall pepperweedLepidium densiflorum var. macrocarpum Mulligan bigseed pepperweedLepidium densiflorum var. pubecarpum (A. Nels.) Thellung babyseed pepperweedLepidium dictyotum Gray net pepperweedLepidium dictyotum var. acutidens Gray alkali pepperwortLepidium dictyotum var. dictyotum Gray alkali pepperweedLepidium nitidum Nutt. shining pepperweedLepidium nitidum var. nitidum Nutt. shining pepperweedLepidium oxycarpum Torr. & Gray forked pepperweedLepidium perfoliatum L. clasping pepperweedLepidium ramosissimum A. Nels. manybranched pepperweedLepidium sativum L. gardencress pepperweedLepidium virginicum L.


Virginia pepperweedLepidium virginicum var. medium (Greene) C.L. Hitchc. medium pepperweedLepidium virginicum var. menziesii (DC.) C.L. Hitchc. Menzies' pepperweedLepidium virginicum var. pubescens (Greene) Thellung hairy pepperweedLesquerella douglasii S. Wats. Douglas' bladderpodLesquerella kingii ssp. diversifolia (Greene) Rollins & Shaw Wallowa bladderpodLesquerella occidentalis S. Wats. western bladderpodLunaria annua L. annual honestyNasturtium nasturtium-aquaticum (L.) Karsten = Rorippa nasturtium-aquaticumNasturtium officinale Ait. f. = Rorippa nasturtium-aquaticumNeslia paniculata (L.) Desv. ballmustardPhoenicaulis cheiranthoides Nutt. wallflower phoenicaulisPhysaria alpestris Suksdorf Washington twinpodPhysaria didymocarpa (Hook.) Gray common twinpodPhysaria didymocarpa var. didymocarpa (Hook.) Gray common twinpodPhysaria geyeri (Hook.) Gray Geyer's twinpodPhysaria geyeri var. geyeri (Hook.) Gray Geyer's twinpodPhysaria oregona S. Wats. Oregon twinpodRadicula armoracia (L.) B.L. Robins. = Armoracia rusticanaRaphanus raphanistrum L. wild radishRaphanus sativus L. wild radishRorippa columbiae (Suksdorf ex B.L. Robins.) Suksdorf ex T.J. Howell Columbian yellowcressRorippa curvipes Greene bluntleaf yellowcress

Rorippa curvipes var. curvipes Greene bluntleaf yellowcressRorippa curvipes var. truncata (Jepson) RollinsRorippa curvisiliqua (Hook.) Bess. ex Britt. curvepod yellowcressRorippa curvisiliqua var. curvisiliqua (Hook.) Bess. ex Britt. curvepod yellowcressRorippa curvisiliqua var. lyrata (Nutt.) M.E. Peck ex C.L. Hitchc. lyrateleaf yellowcressRorippa curvisiliqua var. nuttallii (S. Wats.) R. Stuckey Nuttall's yellowcressRorippa curvisiliqua var. orientalis R. Stuckey oriental yellowcressRorippa curvisiliqua var. procumbens R. Stuckey curvepod yellowcressRorippa nasturtium-aquaticum (L.) Hayek watercressRorippa palustris (L.) Bess. bog yellowcressRorippa palustris ssp. fernaldiana (Butters & Abbe) Jonsell Fernald's yellowcressRorippa palustris ssp. hispida (Desv.) Jonsell hispid yellowcressRorippa palustris ssp. occidentalis (S. Wats.) Abrams western bog yellowcressRorippa sinuata (Nutt.) A.S. Hitchc. spreading yellowcressRorippa sylvestris (L.) Bess. creeping yellowcressRorippa tenerrima Greene Modoc yellowcressRorippa teres (Michx.) R. Stuckey southern marsh yellowcressSchoenocrambe linifolia (Nutt.) Greene flaxleaf plainsmustardSinapis alba L. white mustardSinapis arvensis L. charlock mustardSinapis nigra L. = Brassica nigraSisymbrium altissimum L. tall tumblemustardSisymbrium loeselii L. small tumbleweed mustard


Sisymbrium officinale (L.) Scop. hedgemustardSmelowskia calycina (Steph. ex Willd.) C.A. Mey. alpine smelowskiaSmelowskia calycina var. americana (Regel & Herder) Drury & Rollins American false candytuftSmelowskia ovalis M.E. Jones alpine false candytuftSmelowskia ovalis var. ovalis M.E. Jones alpine false candytuftStreptanthella longirostris (S. Wats.) Rydb. longbeak streptanthellaSubularia aquatica L. waterawlwortSubularia aquatica var. americana (Mulligan & Calder) Boivin American waterawlwortTeesdalia nudicaulis (L.) Ait. f. barestem teesdaliaThelypodium integrifolium (Nutt.) Endl. ex Walp. entireleaved thelypodyThelypodium integrifolium ssp. integrifolium (Nutt.) Endl. ex Walp. entireleaved thelypodyThelypodium laciniatum (Hook.) Endl. ex Walp. cutleaf thelypodyThelypodium milleflorum A. Nels. manyflower thelypodyThelypodium sagittatum (Nutt. ex Torr. & Gray) Endl. ex Walp. arrow thelypodyThelypodium sagittatum ssp. sagittatum (Nutt. ex Torr. & Gray) Endl. ex Walp. arrow thelypodyThlaspi arvense L. field pennycressThlaspi montanum L. alpine pennycressThlaspi montanum var. montanum L. alpine pennycressThlaspi perfoliatum L. claspleaf pennycressThysanocarpus curvipes Hook. sand fringepodTurritis = Arabis

CUCURBITACEAEEchinocystis lobata (Michx.) Torr. & Gray wild cucumberMarah oreganus (Torr. ex S. Wats.) T.J. Howell coastal manroot

CUPRESSACEAEChamaecyparis nootkatensis (D. Don) Spach Alaska cedarJuniperus communis L. common juniperJuniperus communis var. montana Ait. common juniperJuniperus occidentalis Hook. western juniperJuniperus occidentalis var. occidentalis Hook. western juniperJuniperus scopulorum Sarg. Rocky Mountain juniperJuniperus sibirica Burgsd. = Juniperus communis var. montanaThuja plicata Donn ex D. Don western redcedar

DENNSTAEDTIACEAEPteridium aquilinum (L.) Kuhn western brackenfernPteridium aquilinum var. pubescens Underwood hairy brackenfern

DIPSACACEAEDipsacus fullonum L. Fuller's teasel

DROSERACEAEDrosera anglica Huds. English sundewDrosera rotundifolia L. roundleaf sundew

DRYOPTERIDACEAEAthyrium americanum (Butters) Maxon alpine ladyfern


Athyrium filix-femina (L.) Roth common ladyfernAthyrium filix-femina ssp. cyclosorum (Rupr.) C. Christens. subarctic ladyfernCystopteris fragilis (L.) Bernh. brittle bladderfernDryopteris arguta (Kaulfuss) Watt coastal woodfernDryopteris campyloptera Clarkson mountain woodfernDryopteris carthusiana (Vill.) H.P. Fuchs spinulose woodfernDryopteris cristata (L.) Gray crested woodfernDryopteris expansa (K. Presl) Fraser-Jenkins & Jermy spreading woodfernDryopteris filix-mas (L.) Schott male fernGymnocarpium disjunctum (Rupr.) Ching Pacific oakfernPolystichum andersonii Hopkins Anderson's hollyfernPolystichum californicum (D.C. Eat.) Diels California swordfernPolystichum imbricans (D.C. Eat.) D.H. Wagner narrowleaf swordfernPolystichum imbricans ssp. imbricans (D.C. Eat.) D.H. Wagner narrowleaf swordfernPolystichum kruckebergii W.H. Wagner Kruckeberg's hollyfernPolystichum lemmonii Underwood Lemmon's hollyfernPolystichum lonchitis (L.) Roth northern hollyfernPolystichum munitum (Kaulfuss) K. Presl western swordfernPolystichum scopulinum (D.C. Eat.) Maxon mountain hollyfernWoodsia oregana D.C. Eat. Oregon woodsiaWoodsia oregana ssp. oregana D.C. Eat. Oregon cliff fernWoodsia scopulina D.C. Eat. Rocky Mountain woodsia

ELAEAGNACEAEShepherdia canadensis (L.) Nutt. russet buffaloberry

ELATINACEAEBergia texana (Hook.) Seub. ex Walp. Texas bergiaElatine americana (Pursh) Arn. American waterwortElatine brachysperma Gray shortseed waterwortElatine californica Gray California waterwortElatine triandra Schkuhr threestamen waterwort

EMPETRACEAEEmpetrum nigrum L. black crowberryEmpetrum nigrum ssp. hermaphroditum (Lange ex Hagerup) Bocher black crowberry

EQUISETACEAEEquisetum X ferrissii Clute (pro sp.) Ferriss' horsetailEquisetum X mackaii (Newm.) Brichan MacKai's horsetailEquisetum arvense L. field horsetailEquisetum fluviatile L. water horsetailEquisetum hyemale L. scouringrush horsetailEquisetum hyemale var. affine (Engelm.) A.A. Eat. scouringrush horsetailEquisetum laevigatum A. Braun smooth horsetailEquisetum palustre L. marsh horsetailEquisetum scirpoides Michx. dwarf scouringrushEquisetum sylvaticum L.


woodland horsetailEquisetum telmateia Ehrh. giant horsetailEquisetum telmateia var. braunii (Milde) Milde giant horsetailEquisetum variegatum Schleich. ex F. Weber & D.M.H. Mohr variegated scouringrushEquisetum variegatum var. alaskanum A.A. Eat. Alaskan scouringrushEquisetum variegatum var. variegatum Schleich. ex F. Weber & D.M.H. Mohr variegated scouringrush

ERICACEAEAndromeda polifolia L. bog rosemaryArbutus menziesii Pursh Pacific madroneArctostaphylos X media Greene (pro sp.) intermediate manzanitaArctostaphylos columbiana Piper hairy manzanitaArctostaphylos nevadensis Gray pinemat manzanitaArctostaphylos nevadensis ssp. nevadensis Gray pinemat manzanitaArctostaphylos patula Greene greenleaf manzanitaArctostaphylos pungens ssp. nevadensis (Gray) J.B. Roof = Arctostaphylos nevadensisArctostaphylos uva-ursi (L.) Spreng. kinnikinnickCassiope lycopodioides (Pallas) D. Don clubmoss mountain heatherCassiope lycopodioides var. cristapilosa (Calder & Taylor) Boivin clubmoss mountain heatherCassiope mertensiana (Bong.) D. Don western moss heatherCassiope mertensiana var. mertensiana (Bong.) D. Don western moss heatherCassiope tetragona (L.) D. Don white arctic mountain heatherCassiope tetragona var. saximontana (Small) C.L. Hitchc. white arctic mountain heather

Chimaphila menziesii (R. Br. ex D. Don) Spreng. little prince's pineChimaphila umbellata (L.) W. Bart. pipsissewaChimaphila umbellata ssp. occidentalis (Rydb.) Hulten pipsissewaElliottia pyroliflorus (Bong.) S.W. Brim & P.F. Stevens copperbushGaultheria hispidula (L.) Muhl. ex Bigelow creeping snowberryGaultheria humifusa (Graham) Rydb. alpine spicywintergreenGaultheria ovatifolia Gray western teaberryGaultheria shallon Pursh salalHarrimanella stelleriana (Pallas) Coville Alaska bellheatherKalmia microphylla (Hook.) Heller alpine laurelKalmia polifolia ssp. microphylla (Hook.) Calder & Taylor = Kalmia microphyllaLedum X columbianum Piper (pro sp.) coast LabradorteaLedum glandulosum Nutt. Western LabradorteaLedum groenlandicum Oeder bog LabradorteaLedum palustre ssp. groenlandicum (Oeder) Hulten = Ledum groenlandicumLoiseleuria procumbens (L.) Desv. alpine azaleaMenziesia ferruginea Sm. rusty menziesiaMoneses uniflora (L.) Gray single delightMoneses uniflora ssp. reticulata (Nutt.) Calder & Taylor single delightMoneses uniflora ssp. uniflora (L.) Gray oneflowered woodnymphOrthilia secunda (L.) House sidebells wintergreenOxycoccus = Vaccinium Phyllodoce X intermedia (Hook.) Rydb. (pro sp.)


hybrid mountainheathPhyllodoce empetriformis (Sm.) D. Don pink mountainheathPhyllodoce glanduliflora (Hook.) Coville yellow mountainheathPyrola asarifolia Michx. liverleaf wintergreenPyrola asarifolia ssp. asarifolia Michx. liverleaf wintergreenPyrola asarifolia ssp. bracteata (Hook.) Haber pink wintergreenPyrola chlorantha Sw. greenflowered wintergreenPyrola minor L. snowline wintergreenPyrola pallida Greene = Pyrola pictaPyrola picta Sm. whiteveined wintergreenPyrola rotundifolia ssp. asarifolia (Michx.) A.& D. Love = Pyrola asarifolia ssp. asarifoliaPyrola secunda L. = Orthilia secundaPyrola uliginosa Torr. & Gray ex Torr. = Pyrola asarifolia ssp. asarifoliaPyrola uniflora L. = Moneses uniflora ssp. unifloraPyrola virens Schreb. = Pyrola chloranthaRhododendron albiflorum Hook. Cascade azaleaRhododendron macrophyllum D. Don ex G. Don Pacific rhododendronVaccinium cespitosum Michx. dwarf blueberryVaccinium deliciosum Piper blueleaved huckleberryVaccinium macrocarpon Ait. cranberryVaccinium membranaceum Dougl. ex Torr. blue huckleberryVaccinium myrtilloides Michx. velvetleaf huckleberryVaccinium myrtillus L. whortleberry

Vaccinium ovalifolium Sm. ovalleaf blueberryVaccinium ovatum Pursh evergreen huckleberryVaccinium ovatum var. ovatum Pursh evergreen huckleberryVaccinium ovatum var. saporosum Jepson evergreen huckleberryVaccinium oxycoccos L. small cranberryVaccinium parvifolium Sm. red huckleberryVaccinium scoparium Leib. ex Coville grouse whortleberryVaccinium uliginosum L. bog blueberry

EUPHORBIACEAEChamaesyce glyptosperma (Engelm.) Small ribseed sandmatChamaesyce maculata (L.) Small spotted sandmatChamaesyce serpyllifolia (Pers.) Small thymeleaf sandmatChamaesyce serpyllifolia ssp. serpyllifolia (Pers.) Small thymeleaf sandmatCroton setigerus Hook. crotonEremocarpus setigerus (Hook.) Benth. = Croton setigerusEuphorbia cyparissias L. cypress spurgeEuphorbia esula L. wolf's milkEuphorbia glyptosperma Engelm. = Chamaesyce glyptospermaEuphorbia helioscopia L. madwoman's milkEuphorbia lathyris L. moleplantEuphorbia maculata L. = Chamaesyce maculataEuphorbia neomexicana Greene = Chamaesyce serpyllifolia ssp. serpyllifoliaEuphorbia peplus L.


petty spurgeEuphorbia serpyllifolia Pers. = Chamaesyce serpyllifolia ssp. serpyllifoliaEuphorbia spathulata Lam. warty spurgeEuphorbia supina Raf. = Chamaesyce maculata

FAGACEAECastanopsis chrysophylla (Dougl. ex Hook.) A. DC. = Chrysolepis chrysophylla var. chrysophyllaChrysolepis chrysophylla (Dougl. ex Hook.) HjelmqvistChrysolepis chrysophylla var. chrysophylla (Dougl. ex Hook.) HjelmqvistQuercus garryana Dougl. ex Hook. Oregon white oakQuercus garryana var. garryana Dougl. ex Hook. Oregon white oak

FUMARIACEAECorydalis aquae-gelidae M.E. Peck & Wilson coldwater fumewortCorydalis aurea Willd. scrambledeggsCorydalis aurea ssp. aurea Willd. scrambledeggsCorydalis scouleri Hook. Scouler's fumewortDicentra cucullaria (L.) Bernh. dutchman's breechesDicentra formosa (Haw.) Walp. Pacific bleedingheartsDicentra formosa ssp. formosa (Haw.) Walp. Pacific bleedingheartsDicentra uniflora Kellogg longhorn steersheadFumaria officinalis L. drug fumitory

GARRYACEAEGarrya fremontii Torr. silk tassel

GENTIANACEAEAmarella . = Gentianella amarella ssp. acutaCentaurium erythraea Rafn European centauryCentaurium exaltatum (Griseb.) W. Wight ex Piper desert centauryCentaurium minus auct. non Moench = Centaurium erythraeaCentaurium muehlenbergii (Griseb.) W. Wight ex Piper Muhlenberg's centauryCicendia exaltata Griseb. = Centaurium exaltatumErythraea centaurium of authors = Centaurium erythraeaFrasera albicaulis Dougl. ex Griseb. whitestem elkweedFrasera albicaulis var. albicaulis Dougl. ex Griseb. whitestem elkweedFrasera albicaulis var. columbiana (St. John) C.L. Hitchc. whitestem elkweedFrasera albicaulis var. nitida (Benth.) C.L. Hitchc. whitestem elkweedFrasera fastigiata (Pursh) Heller clustered elkweedFrasera speciosa Dougl. ex Griseb. green gentianGentiana affinis Griseb. pleated gentianGentiana amarella L. auct. p.p. = Gentianella amarella ssp. acutaGentiana calycosa Griseb. Rainier pleated gentianGentiana douglasiana Bong. swamp gentianGentiana forwoodii Gray = Gentiana affinisGentiana glauca Pallas pale gentianGentiana oregana Engelm. ex Gray = Gentiana affinisGentiana parryi Engelm. Parry's gentianGentiana plebeja Ledeb. ex Spreng.


= Gentianella amarella ssp. acutaGentiana rusbyi Greene = Gentiana affinisGentiana sceptrum Griseb. king's scepter gentianGentiana tenella Rottb. = Gentianella tenella ssp. tenellaGentianella amarella (L.) Boerner autumn dwarfgentianGentianella amarella ssp. acuta (Michx.) J. Gillett autumn dwarfgentianGentianella tenella (Rottb.) Boerner Dane's dwarfgentianGentianella tenella ssp. tenella (Rottb.) Boerner Dane's dwarfgentianSwertia albicaulis (Dougl. ex Griseb.) Kuntze = Frasera albicaulis var. albicaulisSwertia perennis L. star gentianSwertia radiata (Kellogg) Kuntze = Frasera speciosa

GERANIACEAEErodium cicutarium (L.) L'Her. ex Ait. redstem stork's billErodium moschatum (L.) L'Her. ex Ait. musky stork's billGeranium bicknellii Britt. Bicknell's cranesbillGeranium bicknellii var. longipes (S. Wats.) Fern. northern cranesbillGeranium carolinianum L. Carolina geraniumGeranium carolinianum var. carolinianum L. Carolina geraniumGeranium carolinianum var. sphaerospermum (Fern.) Breitung Carolina geraniumGeranium columbinum L. longstalk cranesbillGeranium dissectum L. cutleaf geraniumGeranium molle L. dovefoot geranium

Geranium oreganum T.J. Howell Oregon geraniumGeranium pusillum L. small geraniumGeranium richardsonii Fisch. & Trautv. Richardson's geraniumGeranium robertianum L. Robert geraniumGeranium viscosissimum Fisch. & C.A. Mey. ex C.A. Mey. sticky geraniumGeranium viscosissimum var. nervosum (Rydb.) C.L. Hitchc. sticky purple geraniumGeranium viscosissimum var. viscosissimum Fisch. & C.A. Mey. ex C.A. Mey. sticky purple geranium

GROSSULARIACEAEGrossularia = Ribes Ribes acerifolium T.J. Howell mapleleaf currantRibes aureum Pursh golden currantRibes aureum var. aureum Pursh golden currantRibes bracteosum Dougl. ex Hook. stink currantRibes cereum Dougl. wax currantRibes cereum var. cereum Dougl. wax currantRibes cereum var. colubrinum C.L. Hitchc. wax currantRibes divaricatum Dougl. spreading gooseberryRibes divaricatum var. divaricatum Dougl. coastal black gooseberryRibes hudsonianum Richards. northern black currantRibes hudsonianum var. hudsonianum Richards. Hudson Bay currantRibes hudsonianum var. petiolare (Dougl.) Jancz. western black currantRibes inerme Rydb. whitestem gooseberry


Ribes inerme var. inerme Rydb. whitestem gooseberryRibes lacustre (Pers.) Poir. prickly currantRibes laxiflorum Pursh trailing black currantRibes lobbii Gray gummy gooseberryRibes montigenum McClatchie gooseberry currantRibes niveum Lindl. snow currantRibes oxyacanthoides L. Canadian gooseberryRibes oxyacanthoides ssp. cognatum (Greene) Sinnott stream currantRibes oxyacanthoides ssp. irriguum (Dougl.) Sinnott Idaho gooseberryRibes rubrum L. cultivated currantRibes sanguineum Pursh redflower currantRibes sanguineum var. sanguineum Pursh redflower currantRibes triste Pallas red currantRibes velutinum Greene desert gooseberryRibes velutinum var. gooddingii (M.E. Peck) C.L. Hitchc. Gooding's gooseberryRibes viscosissimum Pursh sticky currantRibes viscosissimum var. viscosissimum Pursh sticky currantRibes watsonianum Koehne spring gooseberryRibes wolfii Rothrock Wolf's currant

HALORAGACEAEMyriophyllum hippuroides Nutt. ex Torr. & Gray western watermilfoilMyriophyllum sibiricum Komarov shortspike watermilfoil

Myriophyllum verticillatum L. whorlleaf watermilfoil

HIPPURIDACEAEHippuris montana Ledeb. mountain marestailHippuris vulgaris L. common marestail

HYDRANGEACEAEPhiladelphus confusus Piper Piper's mockorangePhiladelphus lewisii Pursh Lewis' mockorangePhiladelphus lewisii var. angustifolius (Rydb.) Hu Lewis' mockorangePhiladelphus lewisii var. ellipticus Hu Lewis' mockorangePhiladelphus lewisii var. gordonianus (Lindl.) Jepson Gordon's mockorangePhiladelphus lewisii var. helleri (Rydb.) Hu Heller's mockorangePhiladelphus lewisii var. lewisii Pursh Lewis' mockorangePhiladelphus lewisii var. oblongifolius Hu Lewis' mockorangePhiladelphus lewisii var. platyphyllus (Rydb.) Hu Lewis' mockorangePhiladelphus trichothecus Hu Columbian mockorangePhiladelphus zelleri Hu Zeller's mockorangeWhipplea modesta Torr. common whipplea

HYDROCHARITACEAEEgeria densa Planch. Brazilian waterweedElodea canadensis Michx. Canadian waterweedElodea nuttallii (Planch.) St. John western waterweedPhilotria = Elodea


Vallisneria americana Michx. American eelgrass

HYDROPHYLLACEAEHesperochiron californicus (Benth.) S. Wats. California hesperochironHesperochiron pumilus (Dougl. ex Griseb.) Porter dwarf hesperochironHydrophyllum capitatum Dougl. ex Benth. ballhead waterleafHydrophyllum capitatum var. capitatum Dougl. ex Benth. ballhead waterleafHydrophyllum capitatum var. thompsonii (M.E. Peck) Constance Thompson's waterleafHydrophyllum fendleri (Gray) Heller Fendler's waterleafHydrophyllum fendleri var. albifrons (Heller) J.F. Macbr. white waterleafHydrophyllum fendleri var. fendleri (Gray) Heller Fendler's waterleafHydrophyllum tenuipes Heller Pacific waterleafNama aretioides (Hook. & Arn.) Brand ground namaNama densum J.G. Lemmon leafy namaNama densum var. parviflorum (Greenm.) C.L. Hitchc. leafy fiddleleafNemophila breviflora Gray basin nemophilaNemophila kirtleyi Henderson Kirtley's nemophilaNemophila parviflora Dougl. ex Benth. smallflower nemophilaNemophila parviflora var. austiniae (Eastw.) Brand grooveloverNemophila parviflora var. parviflora Dougl. ex Benth. grooveloverNemophila pedunculata Dougl. ex Benth. littlefoot nemophilaPhacelia bolanderi Gray Bolander's scorpionweedPhacelia franklinii (R. Br.) Gray Franklin's phacelia

Phacelia glandulifera PiperPhacelia hastata Dougl. ex Lehm. silverleaf phaceliaPhacelia hastata var. hastata Dougl. ex Lehm. silverleaf phaceliaPhacelia heterophylla Pursh varileaf phaceliaPhacelia heterophylla ssp. heterophylla Pursh varileaf phaceliaPhacelia heterophylla ssp. virgata (Greene) Heckard varileaf phaceliaPhacelia humilis Torr. & Gray low scorpionweedPhacelia humilis var. humilis Torr. & Gray low scorpionweedPhacelia ivesiana Torr. Ives' phaceliaPhacelia lenta Piper sticky scorpionweedPhacelia leptosepala Rydb. narrowsepal scorpionweedPhacelia linearis (Pursh) Holz. threadleaf phaceliaPhacelia minutissima Henderson small phaceliaPhacelia mutabilis Greene changeable scorpionweedPhacelia nemoralis Greene shade scorpionweedPhacelia nemoralis ssp. oregonensis Heckard Oregon scorpionweedPhacelia procera Gray mountain phaceliaPhacelia ramosissima Dougl. ex Lehm. branching phaceliaPhacelia ramosissima var. ramosissima Dougl. ex Lehm. branching phaceliaPhacelia sericea (Graham) Gray silky phaceliaPhacelia sericea ssp. sericea (Graham) Gray purplefringePhacelia tetramera J.T. Howell fourpart scorpionweedRomanzoffia sitchensis Bong. Sitka mistmaiden


Romanzoffia tracyi Jepson Tracy's mistmaiden

IRIDACEAEIris missouriensis Nutt. Rocky Mountain irisIris pseudacorus L. paleyellow irisIris tenax Dougl. ex Lindl. toughleaf irisIris tenax ssp. tenax Dougl. ex Lindl. toughleaf irisOlsynium douglasii (A. Dietr.) Bickn. Douglas' olsyniumOlsynium douglasii var. douglasii (A. Dietr.) Bickn. Douglas' olsyniumOlsynium douglasii var. inflatum (Suksdorf) Cholewa & D. Henderson inflated olsyniumSisyrinchium angustifolium P. Mill. narrowleaf blueeyed grassSisyrinchium californicum (Ker-Gawl. ex Sims) Ait. golden blueeyed grassSisyrinchium douglasii var. douglasii A. Dietr. grasswidowsSisyrinchium idahoense Bickn. Idaho blueeyed grassSisyrinchium idahoense var. idahoense Bickn. Idaho blueeyed grassSisyrinchium idahoense var. macounii (Bickn.) D. Henderson Macoun's blueeyed grassSisyrinchium idahoense var. occidentale (Bickn.) D. Henderson Idaho blueeyed grassSisyrinchium idahoense var. segetum (Bickn.) D. Henderson Idaho blueeyed grassSisyrinchium littorale Greene Alaska blueeyed grassSisyrinchium sarmentosum Suksdorf ex Greene mountain blueeyed grassSisyrinchium septentrionale Bickn. northern blueeyed grass

ISOETACEAEIsoetes bolanderi Engelm. Bolander's quillwortIsoetes bolanderi var. bolanderi Engelm. Bolander's quillwortIsoetes howellii Engelm. Howell's quillwortIsoetes lacustris L. lake quillwortIsoetes maritima Underwood maritime quillwortIsoetes nuttallii A. Braun ex Engelm. Nuttall's quillwortIsoetes occidentalis Henderson western quillwort

LABIATAEAcinos arvensis (Lam.) Dandy basil thymeAgastache occidentalis (Piper) Heller western giant hyssopAgastache urticifolia (Benth.) Kuntze nettleleaf giant hyssopAgastache urticifolia var. urticifolia (Benth.) Kuntze nettleleaf giant hyssopAjuga reptans L. common bugleDracocephalum parviflorum Nutt. American dragonheadGaleopsis tetrahit L. brittlestem hempnettleGlechoma hederacea L. groundivyGlechoma hederacea var. hederacea L. groundivyLamium amplexicaule L. henbit deadnettleLamium maculatum L. spotted henbitLamium purpureum L. purple deadnettleLeonurus cardiaca L. common motherwortLycopus americanus Muhl. ex W. Bart.


American waterhorehoundLycopus asper Greene rough bugleweedLycopus lucidus var. americanus Gray = Lycopus asperLycopus uniflorus Michx. northern bugleweedMarrubium vulgare L. horehoundMelissa officinalis L. common balmMentha X piperita L. (pro sp.) peppermintMentha X villosa Huds. (pro sp.) hairy mintMentha aquatica L. water mintMentha arvensis var. canadensis (L.) Kuntze = Mentha canadensisMentha canadensis L. Canadian mintMentha citrata Ehrh. = Mentha aquaticaMentha piperita ssp. citrata (Ehrh.) Briq. = Mentha aquaticaMentha pulegium L. pennyroyalMentha spicata L. spearmintMentha viridis L. = Mentha spicataMicromeria chamissonis (Benth.) Greene = Satureja douglasiiMoldavica parviflora (Nutt.) Britt. = Dracocephalum parviflorumMonarda didyma L. scarlet beebalmMonardella odoratissima Benth. Pacific monardellaMonardella odoratissima ssp. discolor (Greene) Epling alpine mountainbalmMonardella odoratissima ssp. odoratissima Benth. alpine mountainbalmNepeta cataria L. catnip

Physostegia parviflora Nutt. ex Gray western false dragonheadPrunella vulgaris L. common selfhealPrunella vulgaris ssp. lanceolata (W. Bart.) Hulten lance selfhealPrunella vulgaris ssp. vulgaris L. common selfhealSalvia aethiopis L. Mediterranean sageSalvia carnosa Dougl. ex Greene = Salvia dorrii ssp. dorrii var. incanaSalvia dorrii (Kellogg) Abrams grayball sageSalvia dorrii ssp. dorrii (Kellogg) Abrams Dorr's sageSalvia dorrii ssp. dorrii var. incana (Benth.) Strachan purple sageSalvia glutinosa L. sticky sageSalvia pratensis L. introduced sageSalvia sclarea L. sclary sageSatureja douglasii (Benth.) Briq. yerba buenaScutellaria angustifolia Pursh narrowleaf skullcapScutellaria antirrhinoides Benth. nose skullcapScutellaria epilobiifolia A. Hamilton = Scutellaria galericulataScutellaria galericulata L. marsh skullcapScutellaria lateriflora L. blue skullcapScutellaria lateriflora var. lateriflora L. blue skullcapStachys ajugoides Benth. bugle hedgenettleStachys ajugoides var. rigida Jepson & HooverStachys cooleyae HellerStachys palustris L. marsh hedgenettleStachys palustris ssp. pilosa (Nutt.) Epling


marsh hedgenettleStachys rigida Nutt. ex Benth. = Stachys palustris ssp. pilosaTeucrium canadense L. Candad germanderTeucrium canadense var. occidentale (Gray) McClintock & Epling western germanderThymus praecox Opiz mother of thymeThymus praecox ssp. arcticus (Dur.) Jalas creeping thymeThymus serpyllum auct. non L. = Thymus praecox ssp. arcticusTrichostema lanceolatum Benth. vinegarweedTrichostema oblongum Benth. oblong bluecurls

LEGUMINOSAEAlhagi camelorum Fisch. = Alhagi maurorumAlhagi maurorum Medik. camelthornAstragalus adsurgens Pallas standing milkvetchAstragalus adsurgens var. robustior Hook. prairie milkvetchAstragalus agrestis Dougl. ex G. Don purple milkvetchAstragalus alpinus L. alpine milkvetchAstragalus alpinus var. alpinus L. alpine milkvetchAstragalus arrectus Gray Palouse milkvetchAstragalus arthurii M.E. Jones waha milkvetchAstragalus beckwithii Torr. & Gray Beckwith's milkvetchAstragalus beckwithii var. weiserensis M.E. Jones Weiser's milkvetchAstragalus canadensis L. Canadian milkvetchAstragalus canadensis var. brevidens (Gandog.) Barneby

shorttooth Canadian milkvetchAstragalus canadensis var. canadensis L. Canadian milkvetchAstragalus canadensis var. mortonii (Nutt.) S. Wats. Morton's Canadian milkvetchAstragalus caricinus (M.E. Jones) Barneby buckwheat milkvetchAstragalus cicer L. cicer milkvetchAstragalus collinus (Hook.) Dougl. ex G. Don hillside milkvetchAstragalus collinus var. collinus (Hook.) Dougl. ex G. Don hillside milkvetchAstragalus columbianus Barneby Columbian milkvetchAstragalus cottonii M.E. Jones Cotton's milkvetchAstragalus cusickii Gray Cusick's milkvetchAstragalus cusickii var. cusickii Gray Cusick's milkvetchAstragalus falcatus Lam. Russian milkvetchAstragalus filipes Torr. ex Gray threadstalk milkvetchAstragalus geyeri Gray Geyer's milkvetchAstragalus geyeri var. geyeri Gray Geyer's milkvetchAstragalus hoodianus T.J. Howell Hood River milkvetchAstragalus inflexus Dougl. ex Hook. bent milkvetchAstragalus leibergii M.E. Jones Leiberg's milkvetchAstragalus lentiginosus Dougl. ex Hook. specklepod milkvetchAstragalus lentiginosus var. lentiginosus Dougl. ex Hook. speckledpod milkvetchAstragalus lyallii Gray Lyall's milkvetchAstragalus microcystis Gray dwarf milkvetchAstragalus misellus S. Wats. pauper milkvetch


Astragalus misellus var. pauper Barneby pauper milkvetchAstragalus miser Dougl. weedy milkvetchAstragalus miser var. miser Dougl. timber milkvetchAstragalus miser var. serotinus (Gray ex Cooper) Barneby timber milkvetchAstragalus mulfordiae M.E. Jones Mulford's milkvetchAstragalus pulsiferae Gray Ames' milkvetchAstragalus pulsiferae var. suksdorfii (T.J. Howell) Barneby Suksdorf's milkvetchAstragalus purshii Dougl. ex Hook. woollypod milkvetchAstragalus purshii var. glareosus (Dougl. ex Hook.) Barneby gravel milkvetchAstragalus purshii var. purshii Dougl. ex Hook. Pursh's milkvetchAstragalus purshii var. tinctus M.E. Jones woollypod milkvetchAstragalus reventiformis (Rydb.) Barneby Yakima milkvetchAstragalus reventus Gray Blue Mountain milkvetchAstragalus riparius Barneby woodyroot milkvetchAstragalus robbinsii (Oakes) Gray Robbins' milkvetchAstragalus robbinsii var. minor (Hook.) Barneby Robbins' milkvetchAstragalus sclerocarpus Gray woodypod milkvetchAstragalus sheldonii (Rydb.) Barneby Sheldon's milkvetchAstragalus sinuatus Piper Whited's milkvetchAstragalus spaldingii Gray Spalding's milkvetchAstragalus speirocarpus Gray threadstalk milkvetchAstragalus succumbens Dougl. ex Hook. Columbia milkvetchAstragalus tweedyi Canby

Tweedy's milkvetchAstragalus whitneyi Gray balloon pod milkvetchAstragalus whitneyi var. sonneanus (Greene) Jepson balloon pod milkvetchCytisus multiflorus (L'Her.) Sweet white spanishbroomCytisus scoparius (L.) Link scotchbroomCytisus scoparius var. scoparius (L.) Link scotchbroomDalea ornata (Dougl. ex Hook.) Eat. & J. Wright Blue Mountain prairiecloverGenista monspessulana (L.) L. Johnson frenchbroomGlycyrrhiza lepidota Pursh American licoriceHedysarum occidentale Greene western sweetvetchHedysarum sulphurescens Rydb. white sweetvetchLathyrus aphaca L. yellow peavineLathyrus bijugatus White drypark peavineLathyrus holochlorus (Piper) C.L. Hitchc. thinleaf peavineLathyrus japonicus Willd. sea peavineLathyrus japonicus var. maritimus (L.) Kartesz & Gandhi sea peavineLathyrus lanszwertii Kellogg thickleaf peavineLathyrus lanszwertii var. aridus (Piper) Jepson Nevada peavineLathyrus lanszwertii var. lanszwertii Kellogg Lanszwert's peavineLathyrus latifolius L. perennial peavineLathyrus littoralis (Nutt.) Endl. silky beach peavineLathyrus nevadensis S. Wats. Sierran peavineLathyrus nevadensis ssp. cusickii (S. Wats.) C.L. Hitchc. Cusick's peavine


Lathyrus nevadensis ssp. lanceolatus (T.J. Howell) C.L. Hitchc. Sierran peavineLathyrus nevadensis ssp. lanceolatus var. nuttallii (S. Wats.) C.L. Hitchc. Nuttall's peavineLathyrus nevadensis ssp. lanceolatus var. pilosellus (M.E. Peck) C.L. Hitchc. Sierran peavineLathyrus nevadensis ssp. lanceolatus var. puniceus C.L. Hitchc. Sierran peavineLathyrus ochroleucus Hook. cream peavineLathyrus palustris L. slenderstem peavineLathyrus pauciflorus Fern. fewflower peavineLathyrus pauciflorus var. pauciflorus Fern. fewflower peavineLathyrus pauciflorus var. utahensis (M.E. Jones) Piper ex M.E. Peck Utah peavineLathyrus polyphyllus Nutt. leafy peavineLathyrus pratensis L. meadow peavineLathyrus sylvestris L. flat peavineLathyrus tuberosus L. tuberous sweetpeaLathyrus vestitus Nutt. Pacific peavineLathyrus vestitus ssp. bolanderi (S. Wats.) C.L. Hitchc. Bolander's peavineLotus aboriginus Jepson rosy birdsfoot trefoilLotus corniculatus L. birdfoot deervetchLotus crassifolius (Benth.) Greene big deervetchLotus crassifolius var. crassifolius (Benth.) Greene big deervetchLotus denticulatus (E. Drew) Greene riverbar birdsfoot trefoilLotus formosissimus Greene seaside birdsfoot trefoilLotus micranthus Benth.

desert deervetchLotus nevadensis (S. Wats.) Greene Nevada birdsfoot trefoilLotus nevadensis var. douglasii (Greene) Ottley Douglas' birdsfoot trefoilLotus parviflorus Desf. smallflower birdsfoot trefoilLotus pinnatus Hook. meadow birdsfoot trefoilLotus unifoliolatus (Hook.) Benth. American birdsfoot trefoilLotus unifoliolatus var. unifoliolatus (Hook.) Benth. prairie trefoilLupinus albicaulis Dougl. sicklekeel lupineLupinus albicaulis var. albicaulis Dougl. sicklekeel lupineLupinus alpicola Henderson ex Piper Mt. Adams lupineLupinus arboreus Sims bush lupineLupinus arboreus var. arboreus Sims bush lupineLupinus arbustus Dougl. ex Lindl. longspur lupineLupinus arbustus ssp. arbustus Dougl. ex Lindl. longspur lupineLupinus arbustus ssp. arbustus var. montanus (T.J. Howell) D. Dunn longspur lupineLupinus arbustus ssp. calcaratus (Kellogg) D. Dunn quakerbonnet lupineLupinus arbustus ssp. neolaxiflorus D. Dunn longspur lupineLupinus arbustus ssp. pseudoparviflorus (Rydb.) D. Dunn false lupineLupinus arcticus S. Wats. arctic lupineLupinus arcticus ssp. arcticus S. Wats. arctic lupineLupinus arcticus ssp. subalpinus (Piper & B.L. Robins.) D. Dunn subalpine lupineLupinus argenteus Pursh silvery lupineLupinus argenteus ssp. argenteus Pursh silvery lupine


Lupinus argenteus ssp. argenteus var. argenteus Pursh silvery lupineLupinus argenteus ssp. argenteus var. laxiflorus (Dougl. ex Lindl.) Dorn spur lupineLupinus aridus Dougl. desert lupineLupinus aridus ssp. aridus Dougl. desert lupineLupinus bicolor Lindl. bicolor lupineLupinus bicolor ssp. bicolor Lindl. bicolor lupineLupinus bicolor ssp. tridentatus (Eastw. ex C.P. Sm.) D. Dunn annual lupineLupinus bicolor ssp. tridentatus var. tridentatus Eastw. ex C.P. Sm. annual lupineLupinus bingenensis Suksdorf Bingen lupineLupinus bingenensis var. bingenensis Suksdorf Bingen lupineLupinus bingenensis var. dubius C.P. Sm. Bingen lupineLupinus bingenensis var. subsaccatus Suksdorf Bingen lupineLupinus burkei S. Wats. largeleaf lupineLupinus burkei ssp. burkei S. Wats. Burke's lupineLupinus cusickii S. Wats. Cusick's lupineLupinus cusickii ssp. cusickii S. Wats. Cusick's lupineLupinus densiflorus Benth. whitewhorl lupineLupinus densiflorus var. densiflorus Benth. whitewhorl lupineLupinus garfieldensis C.P. Sm. Garfield lupineLupinus holosericeus Nutt. holo lupineLupinus latifolius Lindl. ex J.G. Agardh broadleaf lupineLupinus latifolius ssp. latifolius Lindl. ex J.G. Agardh broadleaf lupineLupinus lepidus Dougl. ex Lindl.

Pacific lupineLupinus leucophyllus Dougl. ex Lindl. velvet lupineLupinus leucophyllus ssp. erectus (Henderson) Harmon velvet lupineLupinus leucophyllus ssp. leucophyllus Dougl. ex Lindl. velvet lupineLupinus leucophyllus ssp. leucophyllus var. belliae C.P. Sm. velvet lupineLupinus leucophyllus ssp. leucophyllus var. canescens (T.J. Howell) C.P. Sm. velvet lupineLupinus leucophyllus ssp. leucophyllus var. leucophyllus Dougl. ex Lindl. velvet lupineLupinus littoralis Dougl. seashore lupineLupinus lyallii Gray dwarf mountain lupineLupinus minimus Dougl. ex Hook. Kettle Falls lupineLupinus mollis Heller soft lupineLupinus odoratus Heller Mojave royal lupineLupinus odoratus var. odoratus Heller Mojave royal lupineLupinus onustus S. Wats. Plumas lupineLupinus oreganus Heller Oregon lupineLupinus oreganus var. kincaidii C.P. Sm. Kincaid's lupineLupinus ornatus Dougl. ex Lindl. ornate lupineLupinus polycarpus Greene smallflower lupineLupinus polyphyllus Lindl. bigleaf lupineLupinus polyphyllus ssp. polyphyllus Lindl. bigleaf lupineLupinus polyphyllus ssp. polyphyllus var. pallidipes (Heller) C.P. Sm. bigleaf lupineLupinus polyphyllus ssp. polyphyllus var. polyphyllus Lindl. bigleaf lupine


Lupinus prunophilus M.E. Jones hairy bigleaf lupineLupinus pusillus Pursh rusty lupineLupinus pusillus ssp. intermontanus (Heller) D. Dunn Intermountain lupineLupinus rivularis Dougl. ex Lindl. riverbank lupineLupinus sabinianus Dougl. ex Lindl. Sabin's lupineLupinus saxosus T.J. Howell rock lupineLupinus saxosus var. saxosus T.J. Howell stonyground lupineLupinus saxosus var. subsericeus (B.L. Robins. ex Piper) C.P. Sm. stonyground lupineLupinus sellulus Kellogg Donner Lake lupineLupinus sellulus ssp. sellulus Kellogg Donner Lake lupineLupinus sellulus ssp. sellulus var. lobbii (Gray ex S. Wats.) Cox Lobb's lupineLupinus sellulus ssp. sellulus var. medius (Detling) Cox Donner Lake lupineLupinus sellulus ssp. sellulus var. sellulus Kellogg Donner Lake lupineLupinus sericeus Pursh silky lupineLupinus sericeus ssp. sericeus Pursh silky lupineLupinus sericeus ssp. sericeus var. egglestonianus C.P. Sm. Eggleston's silky lupineLupinus sericeus ssp. sericeus var. flexuosus (Lindl. ex J.G. Agardh) C.P. Sm. silky lupineLupinus sericeus ssp. sericeus var. maximus C.P. Sm. ex Fleak & D. Dunn silky lupineLupinus sericeus ssp. sericeus var. sericeus Pursh silky lupineLupinus subvexus C.P. Sm. valley lupineLupinus subvexus var. subvexus C.P. Sm. valley lupineLupinus subvexus var. transmontanus C.P. Sm.

valley lupineLupinus suksdorfii B.L. Robins. Suksdorf's lupineLupinus sulphureus Dougl. ex Hook. sulphur lupineLupinus wyethii S. Wats. Wyeth's lupineLupinus wyethii ssp. tetonensis (E. Nels.) Cox & D. Dunn Teton lupineLupinus wyethii ssp. wyethii S. Wats. Wyeth's lupineMedicago arabica (L.) Huds. spotted medickMedicago lupulina L. black medickMedicago minima (L.) L. burr medickMedicago polymorpha L. burcloverMedicago sativa L. alfalfaMedicago sativa ssp. sativa L. alfalfaMelilotus albus Medik. = Melilotus officinalisMelilotus indicus (L.) All. annual yellow sweetcloverMelilotus officinalis (L.) Lam. yellow sweetcloverOnobrychis viciifolia Scop. sainfoinOnonis repens L. common restharrowOxytropis borealis DC.Oxytropis borealis var. viscida (Nutt.) WelshOxytropis campestris (L.) DC. cold mountain crazyweedOxytropis campestris var. columbiana (St. John) Barneby northern yellow locoweedOxytropis campestris var. cusickii (Greenm.) Barneby Cusick's crazyweedOxytropis deflexa (Pallas) DC. hangpod crazyweedOxytropis deflexa var. sericea Torr. & Gray longstem hangpod crazyweed


Oxytropis monticola Gray yellowflower locoweedPisum sativum L. garden peaPsoralea = Psoralidium Psoralidium lanceolatum (Pursh) Rydb. lemon scurfpeaRobinia pseudoacacia L. black locustRupertia physodes (Dougl. ex Hook.) J. Grimes California teaSarothamnus scoparius (L.) Wimmer ex Koch = Cytisus scopariusSphaerophysa salsula (Pallas) DC. alkali swainsonpeaThermopsis gracilis T.J. HowellThermopsis gracilis var. gracilis T.J. HowellThermopsis gracilis var. ovata (B.L. Robins. ex Piper) M. MendenhallThermopsis macrophylla Hook. & Arn. California goldenbannerThermopsis montana var. ovata (B.L. Robins. ex Piper) St. John = Thermopsis gracilis var. ovataThermopsis rhombifolia (Nutt. ex Pursh) Nutt. ex Richards. prairie thermopsisThermopsis rhombifolia var. montana (Nutt.) Isely mountain thermopsisTrifolium albopurpureum Torr. & Gray rancheria cloverTrifolium arvense L. rabbitfoot cloverTrifolium aureum Pollich golden cloverTrifolium bifidum Gray notchleaf cloverTrifolium campestre Schreb. field cloverTrifolium ciliolatum Benth. foothill cloverTrifolium cyathiferum Lindl. cup cloverTrifolium depauperatum Desv. cowbag cloverTrifolium dichotomum Hook. & Arn. branched Indian clover

Trifolium douglasii House Douglas' cloverTrifolium dubium Sibthorp suckling cloverTrifolium eriocephalum Nutt. woollyhead cloverTrifolium eriocephalum ssp. arcuatum (Piper) J. Gillett woollyhead cloverTrifolium eriocephalum ssp. eriocephalum Nutt. woollyhead cloverTrifolium fragiferum L. strawberry cloverTrifolium fucatum Lindl. bull cloverTrifolium gracilentum Torr. & Gray pinpoint cloverTrifolium hybridum L. alsike cloverTrifolium incarnatum L. crimson cloverTrifolium latifolium (Hook.) Greene twin cloverTrifolium longipes Nutt. longstalk cloverTrifolium longipes ssp. caurinum (Piper) J. Gillett longstalk cloverTrifolium longipes ssp. longipes Nutt. longstalk cloverTrifolium longipes ssp. multipedunculatum (Kennedy) J. Gillett longstalk cloverTrifolium longipes ssp. oreganum (T.J. Howell) J. Gillett Oregon cloverTrifolium longipes ssp. reflexum (A. Nels.) J. Gillett droopflower cloverTrifolium macraei Hook. & Arn. Chilean cloverTrifolium macrocephalum (Pursh) Poir. largehead cloverTrifolium microcephalum Pursh smallhead cloverTrifolium microdon Hook. & Arn. thimble cloverTrifolium oliganthum Steud. fewflower cloverTrifolium plumosum Dougl. ex Hook.


plumed cloverTrifolium plumosum ssp. plumosum Dougl. ex Hook. plumed cloverTrifolium pratense L. red cloverTrifolium repens L. white cloverTrifolium resupinatum L. reversed cloverTrifolium subterraneum L. subterranean cloverTrifolium thompsonii Morton Thompson's cloverTrifolium variegatum Nutt. whitetip cloverTrifolium willdenowii Spreng. tomcat cloverTrifolium wormskioldii Lehm. cows cloverUlex europaeus L. common gorseVicia americana Muhl. ex Willd. American vetchVicia americana ssp. americana Muhl. ex Willd. American vetchVicia americana ssp. minor (Hook.) C.R. Gunn mat vetchVicia cracca L. bird vetchVicia hirsuta (L.) S.F. Gray tiny vetchVicia nigricans Hook. & Arn. black vetchVicia nigricans ssp. gigantea (Hook.) Lassetter & Gunn. giant vetchVicia pannonica Crantz Hungarian vetchVicia sativa L. common vetchVicia sativa ssp. nigra (L.) Ehrh. common vetchVicia sativa ssp. sativa L. garden vetchVicia tetrasperma (L.) Schreb. lentil vetch

Vicia tetrasperma var. tetrasperma (L.) Moench lentil vetchVicia villosa Roth winter vetch

LEMNACEAELemna minor L. common duckweedLemna trisulca L. star duckweedSpirodela polyrrhiza (L.) Schleid. common duckweedWolffia borealis (Engelm. ex Hegelm.) Landolt ex Landolt & Wildi northern watermealWolffia braziliensis Weddell Brazilian watermealWolffiella gladiata (Hegelm.) Hegelm. Florida mudmidget

LENTIBULARIACEAEPinguicula macroceras Link California butterwortUtricularia gibba L. humped bladderwortUtricularia inflata Walt. swollen bladderwortUtricularia intermedia Hayne flatleaf bladderwortUtricularia minor L. lesser bladderwortUtricularia ochroleuca R.W. Hartman yellowishwhite bladderwort

LILIACEAEAllium acuminatum Hook. tapertip onionAllium amplectens Torr. narrowleaf onionAllium cernuum Roth nodding onionAllium columbianum (Ownbey & Mingrone) P. Peterson, Annable & Rieseberg Columbian onion


Allium constrictum (Ownbey & Mingrone) P. Peterson, Annable & Rieseberg Grand Coulee onionAllium crenulatum Wieg. Olympic onionAllium dictuon St. John Blue Mountain onionAllium douglasii Hook. Douglas' onionAllium fibrillum M.E. Jones Blue Mountain onionAllium geyeri S. Wats. Geyer's onionAllium geyeri var. geyeri S. Wats. Geyer's onionAllium geyeri var. tenerum M.E. Jones bulbil onionAllium macrum S. Wats. rock onionAllium nevii S. Wats. Nevius' garlicAllium robinsonii Henderson Robinson's onionAllium schoenoprasum L. wild chivesAllium schoenoprasum var. schoenoprasum L. wild chivesAllium scilloides Dougl. ex S. Wats. fragile onionAllium textile A. Nels. & J.F. Macbr. textile onionAllium tolmiei (Hook.) Baker ex S. Wats. Tolm's onionAllium tolmiei var. tolmiei (Hook.) Baker ex S. Wats. Tolm's onionAllium validum S. Wats. Pacific onionAsparagus officinalis L. garden asparagusBrodiaea coronaria (Salisb.) Engl. harvest clusterlilyBrodiaea coronaria ssp. coronaria (Salisb.) Engl. harvest clusterlilyCalochortus apiculatus Baker pointedtip Mariposa lily

Calochortus elegans Pursh northwestern Mariposa lilyCalochortus elegans var. elegans Pursh elegant Mariposa lilyCalochortus eurycarpus S. Wats. white Mariposa lilyCalochortus longebarbatus S. Wats. longbeard Mariposa lilyCalochortus longebarbatus var. longebarbatus S. Wats. longbeard Mariposa lilyCalochortus lyallii Baker Lyall's Mariposa lilyCalochortus macrocarpus Dougl. sagebrush Mariposa lilyCalochortus macrocarpus var. macrocarpus Dougl. sagebrush Mariposa lilyCalochortus macrocarpus var. maculosus (A. Nels. & J.F. Macbr.) A. Nels. & J.F. Macbr. Nez Perce Mariposa lilyCalochortus subalpinus Piper subalpine Mariposa lilyCalochortus tolmiei Hook. & Arn. Tolmie startulipCamassia leichtlinii (Baker) S. Wats. large camasCamassia leichtlinii ssp. suksdorfii (Greenm.) Gould Suksdorf's large camasCamassia quamash (Pursh) Greene small camasCamassia quamash ssp. azurea (Heller) Gould small camasCamassia quamash ssp. breviflora Gould small camasCamassia quamash ssp. maxima Gould small camasCamassia quamash ssp. quamash (Pursh) Greene small camasClintonia uniflora (Menzies ex J.A. & J.H. Schultes) Kunth bride's bonnetDichelostemma capitatum (Benth.) Wood bluedicksDisporum hookeri (Torr.) Nichols. drops of goldDisporum hookeri var. oreganum (S. Wats.) Q. Jones Oregon drops of gold


Disporum smithii (Hook.) Piper largeflower fairybellsDisporum trachycarpum (S. Wats.) Benth. & Hook. f. roughfruit fairybellsErythronium grandiflorum Pursh dogtooth lilyErythronium grandiflorum ssp. candidum Piper yellow avalanchelilyErythronium grandiflorum ssp. chrysandrum Applegate yellow avalanchelilyErythronium grandiflorum ssp. grandiflorum Pursh yellow avalanchelilyErythronium montanum S. Wats. white avalanchelilyErythronium oregonum Applegate giant white fawnlilyErythronium oregonum ssp. oregonum Applegate Oregon fawnlilyErythronium revolutum Sm. mahogany fawnlilyFritillaria affinis (Schultes) SealyFritillaria affinis var. affinis (Schultes) SealyFritillaria camschatcensis (L.) Ker-Gawl. Kamchatka missionbellsFritillaria pudica (Pursh) Spreng. yellow missionbellsLilium columbianum hort. ex Baker Columbian lilyLloydia serotina (L.) Reichenb. common alplilyMaianthemum dilatatum (Wood) A. Nels. & J.F. Macbr. twoleaf false Solomon's sealMaianthemum racemosum (L.) Link feathery false Solomon's sealMaianthemum racemosum ssp. amplexicaule (Nutt.) LaFrankie western Solomon's sealMaianthemum stellatum (L.) Link starry false Solomon's sealSmilacina amplexicaulis Nutt. = Maianthemum racemosum ssp. amplexicauleSmilacina racemosa var. amplexicaulis (Nutt.) S. Wats. = Maianthemum racemosum ssp. amplexicauleSmilacina stellata (L.) Desf. = Maianthemum stellatumStenanthium occidentale Gray

western stenanthiumStreptopus amplexifolius (L.) DC. claspleaf twistedstalkStreptopus amplexifolius var. amplexifolius (L.) DC. American twistedstalkStreptopus amplexifolius var. chalazatus Fassett tubercle twistedstalkStreptopus lanceolatus (Ait.) RevealStreptopus lanceolatus var. curvipes (Vail) RevealStreptopus lanceolatus var. roseus (Michx.) RevealStreptopus streptopoides (Ledeb.) Frye & Rigg northern twistedstalkStreptopus streptopoides ssp. streptopoides (Ledeb.) Frye & Rigg small twistedstalkStreptopus streptopoides ssp. streptopoides var. brevipes (Baker) Fassett small twistedstalkTofieldia glutinosa (Michx.) Pers. glutin tofieldiaTofieldia glutinosa ssp. brevistyla C.L. Hitchc. sticky tofieldiaTofieldia glutinosa ssp. occidentalis (S. Wats.) C.L. Hitchc. western tofieldiaTrillium albidum J.D. Freeman giant white wakerobinTrillium chloropetalum (Torr.) T.J. Howell giant wakerobinTrillium chloropetalum var. chloropetalum (Torr.) T.J. Howell giant wakerobinTrillium ovatum Pursh Pacific trilliumTrillium ovatum ssp. ovatum Pursh Pacific trilliumTrillium parviflorum Soukup smallflower wakerobinTrillium petiolatum Pursh Idaho trilliumTriteleia grandiflora Lindl. wild hyacinthTriteleia grandiflora var. howellii (S. Wats.) HooverTriteleia hyacinthina (Lindl.) Greene hyacinth brodiaeaTriteleia hyacinthina var. hyacinthina (Lindl.) Greene fool's onionUvularia L. = Streptopus


Veratrum californicum Dur. California false helleboreVeratrum californicum var. californicum Dur. California false helleboreVeratrum californicum var. caudatum (Heller) C.L. Hitchc. cascade false helleboreVeratrum insolitum Jepson Siskiyou false helleboreVeratrum viride Ait. American false helleboreXerophyllum tenax (Pursh) Nutt. common beargrassZigadenus elegans Pursh mountain deathcamasZigadenus paniculatus (Nutt.) S. Wats. foothill deathcamasZigadenus venenosus S. Wats. meadow deathcamasZigadenus venenosus var. gramineus (Rydb.) Walsh ex M.E. Peck grassy deathcamasZigadenus venenosus var. venenosus S. Wats. meadow deathcamas

LIMNANTHACEAEFloerkea proserpinacoides Willd. false mermaidweed

LINACEAELinum lewisii Pursh prairie flaxLinum lewisii var. lewisii Pursh Lewis' flaxLinum usitatissimum L. common flaxSclerolinon digynum (Gray) Rogers digynum flax

LOASACEAEMentzelia albicaulis (Dougl. ex Hook.) Dougl. ex Torr. & Gray whitestem blazingstarMentzelia albicaulis var. albicaulis (Dougl. ex Hook.) Dougl. ex Torr. & Gray whitestem blazingstarMentzelia dispersa S. Wats. bushy blazingstar

Mentzelia dispersa var. compacta (A. Nels.) J.F. Macbr. Nevada blazingstarMentzelia dispersa var. dispersa S. Wats. bushy blazingstarMentzelia dispersa var. latifolia (Rydb.) J.F. Macbr. bushy blazingstarMentzelia laevicaulis (Dougl. ex Hook.) Torr. & Gray smoothstem blazingstarMentzelia laevicaulis var. laevicaulis (Dougl. ex Hook.) Torr. & Gray smoothstem blazingstarMentzelia laevicaulis var. parviflora (Dougl. ex Hook.) C.L. Hitchc. smoothstem blazingstar

LYCOPODIACEAEHuperzia chinensis (Christ) Czern. Chinese clubmossHuperzia selago (L.) Bernh. ex Mart. & Schrank fir clubmossHuperzia selago var. selago (L.) Bernh. ex Mart. & Schrank fir clubmossLycopodiella inundata (L.) Holub inundated clubmossLycopodium alpinum L. alpine clubmossLycopodium annotinum L. stiff clubmossLycopodium annotinum var. annotinum L. stiff clubmossLycopodium clavatum L. running clubmossLycopodium complanatum L. groundcedarLycopodium dendroideum Michx. tree groundpineLycopodium lagopus (Laestad. ex Hartm.) Zinserl. ex KuzenLycopodium obscurum L. rare clubmossLycopodium sitchense Rupr. Sitka clubmoss

LYTHRACEAEAmmannia coccinea Rottb. valley redstemAmmannia robusta Heer & Regel grand redstem


Lythrum hyssopifolia L. hyssop loosestrifeLythrum portula (L.) D.A. Webber spatulaleaf loosestrifeLythrum salicaria L. purple loosestrifeRotala ramosior (L.) Koehne lowland rotala

MALVACEAEAbutilon theophrasti Medik. velvetleafIliamna longisepala (Torr.) Wiggins longsepal iliamnaIliamna rivularis (Dougl. ex Hook.) Greene streambank globemallowIliamna rivularis var. rivularis (Dougl. ex Hook.) Greene streambank wildhollyhockMalva moschata L. musk mallowMalva neglecta Wallr. common mallowMalva parviflora L. cheeseweed mallowMalva rotundifolia auct. non L. = Malva neglectaMalva sylvestris L. high mallowMalvella Jaubert & Spach malvellaMalvella leprosa (Ortega) Krapov. alkali mallowSida hederacea (Dougl. ex Hook.) Torr. ex Gray = Malvella leprosaSida leprosa (Ortega) K. Schum. = Malvella leprosaSidalcea campestris Greene meadow checkermallowSidalcea hendersonii S. Wats. Henderson's checkermallowSidalcea hirtipes C.L. Hitchc. bristlystem checkermallowSidalcea oregana (Nutt. ex Torr. & Gray) Gray Oregon checkermallow

Sidalcea oregana ssp. oregana (Nutt. ex Torr. & Gray) Gray Oregon checkermallowSidalcea oregana ssp. oregana var. calva C.L. Hitchc. Oregon checkermallowSidalcea oregana ssp. oregana var. procera C.L. Hitchc. Oregon checkermallowSphaeralcea coccinea (Nutt.) Rydb. scarlet globemallowSphaeralcea coccinea ssp. coccinea (Nutt.) Rydb. scarlet globemallowSphaeralcea grossulariifolia (Hook. & Arn.) Rydb. gooseberryleaf globemallowSphaeralcea grossulariifolia ssp. grossulariifolia (Hook. & Arn.) Rydb. gooseberryleaf globemallowSphaeralcea munroana (Dougl. ex Lindl.) Spach ex Gray Munro's globemallowSphaeralcea munroana ssp. munroana (Dougl. ex Lindl.) Spach ex Gray Munro's globemallow

MARSILEACEAEMarsilea oligospora Goodding Pacific watercloverMarsilea vestita Hook. & Grev. hairy pepperwortMarsilea vestita ssp. vestita Hook. & Grev. hairy pepperwort

MENYANTHACEAEFauria crista-galli (Menzies ex Hook.) Makino deercabbageMenyanthes trifoliata L. common buckbeanNymphoides peltata (Gmel.) Kuntze yellow floatingheart

MOLLUGINACEAEMollugo verticillata L. green carpetweed

MONOTROPACEAEAllotropa virgata Torr. & Gray ex Gray sugarstick


Hemitomes congestum Gray coneplantHypopitys = Monotropa Monotropa hypopithys L. pinesapMonotropa uniflora L. IndianpipePleuricospora fimbriolata Gray fringed pinesapPterospora andromedea Nutt. woodland pinedrops

MORACEAEMaclura pomifera (Raf.) Schneid. osageorangeMorus alba L. white mulberry

MYRICACEAEMyrica californica Cham. Pacific bayberryMyrica gale L. sweetgale

NAJADACEAENajas flexilis (Willd.) Rostk. & Schmidt nodding waternymphNajas guadalupensis (Spreng.) Magnus southern waternymphNajas guadalupensis var. guadalupensis (Spreng.) Magnus Guadalupe waternymph

NYCTAGINACEAEAbronia latifolia Eschsch. coastal sand verbenaAbronia mellifera Dougl. ex Hook. white sand verbenaAbronia umbellata Lam. pink sand verbena

NYMPHAEACEAENuphar lutea (L.) Sm. yellow pondlilyNuphar lutea ssp. polysepala (Engelm.) E.O. Beal Rocky Mountain pondlilyNuphar polysepala Engelm. = Nuphar lutea ssp. polysepalaNymphaea odorata Ait. American white waterlily

OLEACEAEFraxinus latifolia Benth. Oregon ash

ONAGRACEAEBoisduvalia = Epilobium Camissonia andina (Nutt.) Raven sundrops eveningprimroseCamissonia boothii (Dougl. ex Lehm.) Raven Booth's eveningprimroseCamissonia boothii ssp. boothii (Dougl. ex Lehm.) Raven Booth's suncupCamissonia contorta (Dougl. ex Lehm.) Kearney plains eveningprimroseCamissonia hilgardii (Greene) Raven Hilgard's suncupCamissonia minor (A. Nels.) Raven small eveningprimroseCamissonia parvula (Nutt. ex Torr. & Gray) Raven Lewis River suncupCamissonia pygmaea (Dougl. ex Lehm.) Raven dwarf suncupCamissonia subacaulis (Pursh) Raven diffuseflower eveningprimroseCamissonia tanacetifolia (Torr. & Gray) Raven tansyleaf eveningprimroseCamissonia tanacetifolia ssp. tanacetifolia (Torr. & Gray) Raven tansyleaf eveningprimroseCircaea alpina L. small enchanter's nightshadeCircaea alpina ssp. alpina L. small enchanter's nightshade


Circaea alpina ssp. pacifica (Aschers. & Magnus) Raven small enchanter's nightshadeClarkia amoena (Lehm.) A. Nels. & J.F. Macbr. farewell to springClarkia amoena ssp. caurina (Abrams ex Piper) H.F. & M.E. Lewis farewell to springClarkia amoena ssp. lindleyi (Dougl.) H.F. & M.E. Lewis Lindley's clarkiaClarkia gracilis (Piper) A. Nels. & J.F. Macbr. slender fairyfanClarkia pulchella Pursh pinkfairiesClarkia purpurea (W. Curtis) A. Nels. & J.F. Macbr. winecup fairyfanClarkia purpurea ssp. quadrivulnera (Dougl. ex Lindl.) H.F. & M.E. Lewis winecup fairyfanClarkia rhomboidea Dougl. ex Hook. diamond fairyfanEpilobium anagallidifolium Lam. alpine willowherbEpilobium angustifolium L. fireweedEpilobium brachycarpum K. Presl autumn willowweedEpilobium ciliatum Raf. hairy willowherbEpilobium ciliatum ssp. ciliatum Raf. coast willowweedEpilobium ciliatum ssp. glandulosum (Lehm.) Hoch & Raven glandular willowweedEpilobium ciliatum ssp. watsonii (Barbey) Hoch & Raven northern willowherbEpilobium clavatum Trel. clubfruit willowherbEpilobium densiflorum (Lindl.) Hoch & RavenEpilobium foliosum (Torr. & Gray) Suksdorf California willowherbEpilobium glaberrimum Barbey smooth willowweedEpilobium glaberrimum ssp. fastigiatum (Nutt.) Hoch & Raven smooth willowweedEpilobium glaberrimum ssp. glaberrimum Barbey smooth willowweedEpilobium halleanum Hausskn.

glandular willowherbEpilobium hirsutum L. codlins and cream (??)Epilobium hornemannii Reichenb. Hornemann's willowherbEpilobium hornemannii ssp. hornemannii Reichenb. Hornemann's willowherbEpilobium lactiflorum Hausskn. milkflower willowweedEpilobium latifolium L. dwarf fireweedEpilobium leptocarpum Hausskn. slenderfruit willowherbEpilobium leptophyllum Raf. bog willowherbEpilobium luteum Pursh yellow willowherbEpilobium minutum Lindl. ex Lehm. small willowweedEpilobium mirabile Trel. ex Piper Olympic Mountain willowherbEpilobium oregonense Hausskn. slimstem willowweedEpilobium palustre L. marsh willowherbEpilobium pygmaeum (Speg.) Hoch & RavenEpilobium saximontanum Hausskn. Rocky Mountain willowherbEpilobium suffruticosum Nutt. shrub willowherbEpilobium torreyi (S. Wats.) Hoch & RavenGaura coccinea Nutt. ex Pursh scarlet beeblossomGaura parviflora Dougl. ex Lehm. velvetweedGayophytum decipiens Lewis & Szweykowski deceptive groundsmokeGayophytum diffusum Torr. & Gray spreading groundsmokeGayophytum diffusum ssp. diffusum Torr. & Gray spreading groundsmokeGayophytum diffusum ssp. parviflorum Lewis & Szweykowski spreading groundsmokeGayophytum heterozygum Lewis & Szweykowski zigzag groundsmoke


Gayophytum humile Juss. dwarf groundsmokeGayophytum racemosum Torr. & Gray blackfoot groundsmokeGayophytum ramosissimum Torr. & Gray pinyon groundsmokeLudwigia palustris (L.) Ell. marsh seedboxOenothera cespitosa Nutt. tufted eveningprimroseOenothera cespitosa ssp. cespitosa Nutt. tufted eveningprimroseOenothera cespitosa ssp. marginata (Nutt. ex Hook. & Arn.) Munz tufted eveningprimroseOenothera elata Kunth Hooker's eveningprimroseOenothera elata ssp. hirsutissima (Gray ex S. Wats.) W. Dietr. Hooker's eveningprimroseOenothera glazioviana Micheli redsepal eveningprimroseOenothera hookeri = Oenothera elata ssp. hirsutissimaOenothera pallida Lindl. pale eveningprimroseOenothera pallida ssp. pallida Lindl. pale eveningprimroseOenothera villosa Thunb. hairy eveningprimroseOenothera villosa ssp. strigosa (Rydb.) W. Dietr. & Raven hairy eveningprimrose

OPHIOGLOSSACEAEBotrychium lanceolatum (Gmel.) Angstr. lanceleaf grapefernBotrychium lanceolatum var. lanceolatum (Gmel.) Angstr. lanceleaf grapefernBotrychium lunaria (L.) Sw. common moonwortBotrychium minganense Victorin Mingan moonwortBotrychium montanum W.H. Wagner mountain moonwortBotrychium multifidum (Gmel.) Trev. leathery grapefern

Botrychium pinnatum St. John northern moonwortBotrychium simplex E. Hitchc. little grapefernBotrychium virginianum (L.) Sw. rattlesnake fernOphioglossum pusillum Raf. northern adderstongueOphioglossum vulgatum auct. non L. = Ophioglossum pusillumOphioglossum vulgatum var. alaskanum (E.G. Britt.) C. Christens. = Ophioglossum pusillumOphioglossum vulgatum var. pseudopodum (Blake) Farw. = Ophioglossum pusillum

ORCHIDACEAECalypso Salisb. calypso orchidCalypso bulbosa (L.) Oakes fairyslipper orchidCalypso bulbosa var. occidentalis (Holz.) Boivin fairyslipper orchidCephalanthera austiniae (Gray) Heller phantom orchidCoeloglossum viride (L.) Hartman longbract frog orchidCoeloglossum viride var. virescens (Muhl. ex Willd.) Luer longbract frog orchidCorallorrhiza maculata (Raf.) Raf. summer coralrootCorallorrhiza mertensiana Bong. Pacific coralrootCorallorrhiza striata Lindl. hooded coralrootCorallorrhiza striata var. striata Lindl. hooded coralrootCorallorrhiza trifida Chatelain yellow coralrootCypripedium calceolus ssp. parviflorum (Salisb.) Hulten = Cypripedium parviflorumCypripedium fasciculatum Kellogg ex S. Wats. clustered lady's slipperCypripedium montanum Dougl. ex Lindl. mountain lady's slipperCypripedium parviflorum Salisb.


lesser yellow lady's slipperEpipactis gigantea Dougl. ex Hook. giant helleborineGoodyera oblongifolia Raf. western rattlesnake plantainHabenaria = Platanthera Habenaria unalascensis (Spreng.) S. Wats. = Piperia unalascensisLimnorchis = Platanthera Liparis loeselii (L.) L.C. Rich. yellow widelip orchidListera borealis Morong northern twaybladeListera caurina Piper northwestern twaybladeListera convallarioides (Sw.) Nutt. ex Ell. broadlipped twaybladeListera cordata (L.) R. Br. ex Ait. f. heartleaf twaybladePiperia elegans (Lindl.) Rydb. hillside bogorchidPiperia elongata Rydb. denseflower rein orchidPiperia elongata ssp. elongata Rydb. denseflower rein orchidPiperia unalascensis (Spreng.) Rydb. Alaska rein orchidPlatanthera chorisiana (Cham.) Reichenb. Choriso bog orchidPlatanthera cooperi (S. Wats.) Rydb. = Piperia unalascensisPlatanthera dilatata (Pursh) Lindl. ex Beck boreal bog orchidPlatanthera dilatata var. albiflora (Cham.) Ledeb. scentbottlePlatanthera dilatata var. dilatata (Pursh) Lindl. ex Beck scentbottlePlatanthera hyperborea (L.) Lindl. northern green orchidPlatanthera hyperborea var. gracilis (Lindl.) Luer northern green orchidPlatanthera hyperborea var. hyperborea (L.) Lindl. northern green orchid

Platanthera hyperborea var. viridiflora (Cham.) Luer northern green orchidPlatanthera leucostachys Lindl. bog orchidPlatanthera obtusata (Banks ex Pursh) Lindl. blunt bog orchidPlatanthera orbiculata (Pursh) Lindl. large roundleaved orchidPlatanthera orbiculata var. orbiculata (Pursh) Lindl. large roundleaved orchidPlatanthera sparsiflora (S. Wats.) Schlechter canyon bog orchidPlatanthera sparsiflora var. sparsiflora (S. Wats.) Schlechter canyon bog orchidPlatanthera stricta Lindl. Modoc bog orchidSpiranthes porrifolia Lindl. creamy ladiestressesSpiranthes romanzoffiana Cham. hooded ladiestresses

OROBANCHACEAEBoschniakia hookeri Walp. Vancouver groundconeOrobanche californica Cham. & Schlecht. California broomrapeOrobanche californica ssp. californica Cham. & Schlecht. California broomrapeOrobanche californica ssp. grayana (G. Beck) Heckard Gray's broomrapeOrobanche corymbosa (Rydb.) Ferris flattop broomrapeOrobanche fasciculata Nutt. clustered broomrapeOrobanche ludoviciana Nutt. Louisiana broomrapeOrobanche ludoviciana ssp. ludoviciana Nutt. sand broomrapeOrobanche minor Sm. hellrootOrobanche pinorum Geyer ex Hook. conifer broomrapeOrobanche uniflora L. oneflowered broomrape


OXALIDACEAEOxalis corniculata L. creeping woodsorrelOxalis dillenii Jacq. Dillen's oxalisOxalis oregana Nutt. Oregon oxalisOxalis stricta L. common yellow oxalisOxalis suksdorfii Trel. Suksdorf woodsorrelOxalis trilliifolia Hook. threeleaf woodsorrel

PAEONIACEAEPaeonia brownii Dougl. ex Hook. Brown's peony

PAPAVERACEAEEschscholzia californica Cham. California poppyEschscholzia californica ssp. californica Cham. California poppyMeconella oregana Nutt. white fairypoppyPapaver argemone L. long pricklyhead poppyPapaver somniferum L. opium poppy

PINACEAEAbies amabilis (Dougl. ex Loud.) Dougl. ex Forbes Pacific silver firAbies grandis (Dougl. ex D. Don) Lindl. grand firAbies lasiocarpa (Hook.) Nutt. subalpine firAbies lasiocarpa var. lasiocarpa (Hook.) Nutt. subalpine firAbies procera Rehd. noble fir

Larix lyallii Parl. subalpine larchLarix occidentalis Nutt. western larchPicea engelmannii Parry ex Engelm. Engelmann's sprucePicea sitchensis (Bong.) Carr. Sitka sprucePinus albicaulis Engelm. whitebark pinePinus contorta Dougl. ex Loud. lodgepole pinePinus contorta var. contorta Dougl. ex Loud. lodgepole pinePinus contorta var. latifolia Engelm. ex S. Wats. tall lodgepole pinePinus contorta var. murrayana (Grev. & Balf.) Engelm. Murray lodgepole pinePinus monticola Dougl. ex D. Don western white pinePinus ponderosa P.& C. Lawson ponderosa pinePinus ponderosa var. ponderosa P.& C. Lawson ponderosa pinePseudotsuga menziesii (Mirbel) Franco Douglas firPseudotsuga menziesii var. glauca (Beissn.) Franco Rocky Mountain Douglas firPseudotsuga menziesii var. menziesii (Mirbel) Franco Douglas firTsuga heterophylla (Raf.) Sarg. western hemlockTsuga mertensiana (Bong.) Carr. mountain hemlock

PLANTAGINACEAEPlantago aristata Michx. largebracted plantainPlantago australis Lam. Mexican plantainPlantago australis ssp. hirtella (Kunth) Rahn Mexican plantainPlantago bigelovii Gray annual coastal plantain


Plantago coronopus L. buckhorn plantainPlantago elongata Pursh longleaf plantainPlantago elongata ssp. elongata Pursh prairie plantainPlantago elongata ssp. pentasperma Bassett prairie plantainPlantago lanceolata L. narrowleaf plantainPlantago macrocarpa Cham. & Schlecht. seashore plantainPlantago major L. common plantainPlantago major var. pachyphylla Pilger thickleaf plantainPlantago maritima L. goose tonguePlantago maritima var. californica (Fern.) Pilger California goose tonguePlantago maritima var. juncoides (Lam.) Gray goose tonguePlantago patagonica Jacq. woolly plantainPlantago psyllium L. whorled plantainPlantago pusilla Nutt. dwarf plantain

PLUMBAGINACEAEArmeria maritima (P. Mill.) Willd. thrift seapinkArmeria maritima ssp. californica (Boiss.) Porsild California seapinkArmeria maritima ssp. purpurea (W.D.J. Koch) A.& D. Love sea thrift

POLEMONIACEAECollomia debilis (S. Wats.) Greene alpine mountaintrumpetCollomia debilis var. debilis (S. Wats.) Greene alpine mountaintrumpetCollomia debilis var. trifida Payson alpine mountaintrumpet

Collomia grandiflora Dougl. ex Lindl. largeflower mountaintrumpetCollomia heterophylla Dougl. ex Hook. variableleaf mountaintrumpetCollomia larsenii GrayCollomia linearis Nutt. narrowleaf mountaintrumpetCollomia tenella Gray diffuse mountaintrumpetCollomia tinctoria Kellogg yellowstaining mountaintrumpetEriastrum wilcoxii (A. Nels.) Mason Wilcox's woolstarGilia capillaris Kellogg miniature giliaGilia capitata Sims bluehead giliaGilia capitata ssp. capitata Sims bluehead giliaGilia capitata ssp. chamissonis (Greene) V. Grant bluehead gilia = Phlox gracilis ssp. gracilisGilia leptomeria Gray sand giliaGilia ochroleuca M.E. Jones volcanic giliaGilia sinuata Dougl. ex Benth. rosy giliaGilia transmontana (Mason & A. Grant) A.& V. Grant transmontane giliaIpomopsis aggregata (Pursh) V. Grant skyrocket giliaIpomopsis aggregata ssp. aggregata (Pursh) V. Grant skyrocket giliaIpomopsis congesta (Hook.) V. Grant ballhead giliaIpomopsis congesta ssp. congesta (Hook.) V. Grant ballhead giliaIpomopsis minutiflora (Benth.) V. Grant littleflower giliaLeptodactylon pungens (Torr.) Torr. ex Nutt. granite pricklygiliaLinanthus bicolor (Nutt.) Greene true babystarsLinanthus bicolor ssp. bicolor (Nutt.) Greene


true babystarsLinanthus bicolor ssp. minimus Mason true babystarsLinanthus bolanderi (Gray) Greene Bolander's deserttrumpetsLinanthus harknessii (Curran) Greene Harkness' flaxflowerLinanthus harknessii ssp. harknessii (Curran) Greene Harkness' flaxflowerLinanthus liniflorus (Benth.) Greene narrowflower flaxflowerLinanthus liniflorus ssp. pharnaceoides (Benth.) Mason lighthouse flaxflowerLinanthus nuttallii (Gray) Greene ex Milliken Nuttall's deserttrumpetsLinanthus nuttallii ssp. nuttallii (Gray) Greene ex Milliken Nuttall's deserttrumpetsLinanthus nuttallii ssp. pubescens Patterson Nuttall's deserttrumpetsLinanthus septentrionalis Mason northern linanthusNavarretia breweri (Gray) Greene Brewer's navarretiaNavarretia divaricata (Torr. ex Gray) Greene divaricate navarretiaNavarretia divaricata ssp. divaricata (Torr. ex Gray) Greene divaricate navarretiaNavarretia intertexta (Benth.) Hook. needleleaf navarretiaNavarretia intertexta ssp. intertexta (Benth.) Hook. needleleaf navarretiaNavarretia intertexta ssp. propinqua (Suksdorf) Day near navarretiaNavarretia leucocephala Benth. whitehead navarretiaNavarretia leucocephala ssp. minima (Nutt.) Day least navarretiaNavarretia squarrosa (Eschsch.) Hook. & Arn. skunkbushNavarretia tagetina Greene marigold pincushionplantPhlox colubrina Wherry & Constance Snake River phloxPhlox diffusa Benth. spreading phlox

Phlox diffusa ssp. diffusa Benth. spreading phloxPhlox diffusa ssp. longistylis Wherry spreading phloxPhlox diffusa ssp. subcarinata Wherry spreading phloxPhlox gracilis (Hook.) Greene slender phloxPhlox gracilis ssp. gracilis (Hook.) Greene slender phloxPhlox gracilis ssp. humilis (Greene) Mason dwarf phloxPhlox hendersonii (E. Nels.) Cronq. Henderson's phloxPhlox hoodii Richards. spiny phloxPhlox hoodii ssp. canescens (Torr. & Gray) Wherry carpet phloxPhlox longifolia Nutt. longleaf phloxPhlox longifolia ssp. longifolia Nutt. longleaf phloxPhlox mollis Wherry soft phloxPhlox rigida Benth. stiff phloxPhlox speciosa Pursh showy phloxPhlox speciosa ssp. lanceolata (E. Nels.) Wherry showy phloxPhlox speciosa ssp. lignosa Brand showy phloxPhlox speciosa ssp. nitida (Suksdorf) Wherry showy phloxPhlox speciosa ssp. occidentalis (Dur. ex Torr.) Wherry showy phloxPhlox speciosa ssp. speciosa Pursh showy phloxPhlox viridis E. Nels. green phloxPhlox viridis ssp. compacta (Brand) Wherry green phloxPhlox viridis ssp. longipes (M.E. Jones) Wherry green phloxPhlox viscida E. Nels.


sticky phloxPolemonium californicum Eastw. moving polemoniumPolemonium carneum Gray royal JacobsladderPolemonium elegans Greene elegant JacobsladderPolemonium micranthum Benth. annual polemoniumPolemonium occidentale Greene western polemoniumPolemonium occidentale ssp. occidentale Greene western polemoniumPolemonium pectinatum Greene Washington JacobsladderPolemonium pulcherrimum Hook. skunkleaf polemoniumPolemonium pulcherrimum ssp. lindleyi (Wherry) V. Grant Lindley's polemoniumPolemonium pulcherrimum ssp. pulcherrimum Hook. pretty JacobsladderPolemonium viscosum Nutt. sticky polemonium

POLYGONACEAEChorizanthe watsonii Torr. & Gray fivetooth spineflowerEriogonum baileyi S. Wats. Bailey's buckwheatEriogonum baileyi var. praebens (Gandog.) Reveal Bailey's buckwheatEriogonum compositum Dougl. ex Benth. arrowleaf buckwheatEriogonum compositum var. compositum Dougl. ex Benth. arrowleaf buckwheatEriogonum compositum var. lancifolium St. John & Warren arrowleaf buckwheatEriogonum compositum var. leianthum Hook. arrowleaf buckwheatEriogonum douglasii Benth. Douglas' buckwheatEriogonum douglasii var. douglasii Benth. Douglas' buckwheatEriogonum douglasii var. sublineare (S. Stokes) Reveal Douglas' buckwheat

Eriogonum elatum Dougl. ex Benth. tall woolly buckwheatEriogonum flavum Nutt. yellow eriogonumEriogonum flavum var. piperi (Greene) M.E. Jones Piper's golden buckwheatEriogonum heracleoides Nutt. parsnipflower buckwheatEriogonum heracleoides var. angustifolium (Nutt.) Torr. & Gray parsnipflower buckwheatEriogonum heracleoides var. heracleoides Nutt. parsnipflower buckwheatEriogonum heracleoides var. leucophaeum Reveal parsnipflower buckwheatEriogonum microthecum Nutt. slender buckwheatEriogonum microthecum var. laxiflorum Hook. slender buckwheatEriogonum niveum Dougl. ex Benth. snow buckwheatEriogonum nudum Dougl. ex Benth. naked buckwheatEriogonum ovalifolium Nutt. cushion buckwheatEriogonum ovalifolium var. nivale (Canby) M.E. Jones cushion buckwheatEriogonum ovalifolium var. purpureum (Nutt.) Dur. cushion buckwheatEriogonum pyrolifolium Hook. Shasta buckwheatEriogonum pyrolifolium var. coryphaeum Torr. & Gray Shasta buckwheatEriogonum pyrolifolium var. pyrolifolium Hook. Shasta buckwheatEriogonum spergulinum Gray spurry buckwheatEriogonum spergulinum var. reddingianum (M.E. Jones) J.T. Howell Redding buckwheatEriogonum sphaerocephalum Dougl. ex Benth. rock buckwheatEriogonum sphaerocephalum var. halimioides S. Stokes rock buckwheatEriogonum sphaerocephalum var. sphaerocephalum Dougl. ex Benth. rock buckwheatEriogonum strictum Benth.


Blue Mountain buckwheatEriogonum strictum ssp. proliferum (Torr. & Gray) S. Stokes Blue Mountain buckwheatEriogonum strictum ssp. proliferum var. anserinum (Greene) R.J. Davis Blue Mountain buckwheatEriogonum strictum ssp. proliferum var. glabrum C.L. Hitchc. Blue Mountain buckwheatEriogonum strictum ssp. proliferum var. proliferum (Torr. & Gray) C.L. Hitchc. Blue Mountain buckwheatEriogonum strictum ssp. strictum Benth. Blue Mountain buckwheatEriogonum thymoides Benth. thymeleaf buckwheatEriogonum umbellatum Torr. sulphur wildbuckwheatEriogonum umbellatum var. hausknechtii (Dammer) M.E. Jones Hausknecht's buckwheatEriogonum umbellatum var. hypoleium (Piper) C.L. Hitchc. sulphurflower buckwheatEriogonum umbellatum var. majus Hook. sulphurflower buckwheatEriogonum umbellatum var. polyanthum (Benth.) M.E. Jones sulphurflower buckwheatEriogonum umbellatum var. stellatum (Benth.) M.E. Jones sulphurflower buckwheatEriogonum umbellatum var. umbellatum Torr. sulphurflower buckwheatEriogonum vimineum Dougl. ex Benth. wickerstem buckwheatOxyria digyna (L.) Hill alpine mountainsorrelOxytheca dendroidea Nutt. narrowleaf oxythecaPolygonum amphibium L. water knotweedPolygonum amphibium var. emersum Michx. longroot smartweedPolygonum amphibium var. stipulaceum Coleman water smartweedPolygonum aviculare L. prostrate knotweedPolygonum bistortoides Pursh American bistortPolygonum buxiforme Small

box knotweedPolygonum californicum Meisn. California knotweedPolygonum campanulatum Hook. f. bellflower smartweedPolygonum convolvulus L. black bindweedPolygonum cuspidatum Sieb. & Zucc. Japanese knotweedPolygonum douglasii Greene Douglas' knotweedPolygonum douglasii ssp. austiniae (Greene) E. Murr. Austin knotweedPolygonum douglasii ssp. douglasii Greene Douglas' knotweedPolygonum douglasii ssp. johnstonii (Munz) Hickman Johnston's knotweedPolygonum douglasii ssp. majus (Meisn.) Hickman large knotweedPolygonum douglasii ssp. nuttallii (Small) Hickman Nuttall's knotweedPolygonum douglasii ssp. spergulariiforme (Meisn. ex Small) Hickman scatter knotweedPolygonum erectum L. erect knotweedPolygonum fowleri B.L. Robins. Fowler's knotweedPolygonum hydropiper L. marshpepper knotweedPolygonum hydropiperoides Michx. swamp smartweedPolygonum lapathifolium L. curlytop knotweedPolygonum lapathifolium var. lapathifolium L. curlytop knotweedPolygonum minimum S. Wats. broadleaf knotweedPolygonum newberryi Small Newberry's knotweedPolygonum paronychia Cham. & Schlecht. beach knotweedPolygonum parryi Greene Parry's knotweedPolygonum persicaria L. spotted ladysthumb


Polygonum phytolaccifolium Meisn. ex Small poke knotweedPolygonum polygaloides Wallich ex Meisn. polygala knotweedPolygonum polygaloides ssp. confertiflorum (Nutt. ex Piper) Hickman fruitleaf knotweedPolygonum polygaloides ssp. kelloggii (Greene) Hickman Kellogg's knotweedPolygonum polygaloides ssp. polygaloides Wallich ex Meisn. fruitleaf knotweedPolygonum punctatum Ell. dotted smartweedPolygonum punctatum var. confertiflorum (Meisn.) Fassett dotted smartweedPolygonum punctatum var. punctatum Ell. dotted smartweedPolygonum ramosissimum Michx. bushy knotweedPolygonum ramosissimum var. ramosissimum Michx. bushy knotweedPolygonum sachalinense F. Schmidt ex Maxim. giant knotweedPolygonum setaceum Baldw. bog smartweedPolygonum setaceum var. setaceum Baldw. bog smartweedPolygonum viviparum L. alpine bistortRumex acetosella L. common sheep sorrelRumex aquaticus L. western dockRumex aquaticus var. fenestratus (Greene) Dorn western dockRumex conglomeratus Murr. clustered dockRumex crispus L. curly dockRumex maritimus L. golden dockRumex obtusifolius L. bitter dockRumex patientia L. patience dockRumex paucifolius Nutt.

fewleaved dockRumex paucifolius ssp. paucifolius Nutt. fewleaved dockRumex salicifolius Weinm. willow dockRumex salicifolius var. angustivalvis Danser willow dockRumex salicifolius var. mexicanus (Meisn.) C.L. Hitchc. Mexican dockRumex salicifolius var. transitorius (Rech. f.) Hickman willow dockRumex sanguineus L. redvein dockRumex venosus Pursh veiny dock

POLYPODIACEAEPolypodium amorphum Suksdorf irregular polypodyPolypodium glycyrrhiza D.C. Eat. licorice fernPolypodium hesperium Maxon western polypodyPolypodium scouleri Hook. & Grev. leathery polypody

PONTEDERIACEAEHeteranthera dubia (Jacq.) MacM. grassleaf mudplantain

PORTULACACEAECalandrinia ciliata (Ruiz & Pavon) DC. fringed redmaidsCistanthe tweedyi (Gray) Hershkovitz Tweedy's pussypawsCistanthe umbellata (Torr.) Hershkovitz Mt. Hood pussypawsClaytonia arenicola Henderson sand springbeautyClaytonia cordifolia S. Wats. heartleaf springbeautyClaytonia exigua Torr. & GrayClaytonia exigua ssp. exigua Torr. & Gray


Claytonia lanceolata Pursh lanceleaf springbeautyClaytonia lanceolata var. chrysantha (Greene) C.L. Hitchc. lanceleaf springbeautyClaytonia lanceolata var. lanceolata Pursh lanceleaf springbeautyClaytonia lanceolata var. pacifica McNeill Pacific springbeautyClaytonia megarhiza (Gray) Parry ex S. Wats. alpine springbeautyClaytonia megarhiza var. nivalis (English) C.L. Hitchc. alpine springbeautyClaytonia parviflora Dougl. ex Hook. streambank springbeautyClaytonia perfoliata Donn ex Willd. miner's lettuceClaytonia perfoliata ssp. perfoliata Donn ex Willd. miner's lettuceClaytonia perfoliata ssp. perfoliata var. perfoliata Donn ex Willd. miner's lettuceClaytonia rubra (T.J. Howell) Tidestrom redstem springbeautyClaytonia sibirica L. Siberian springbeautyClaytonia sibirica var. bulbifera Gray Siberian springbeautyClaytonia sibirica var. sibirica L. Siberian springbeautyClaytonia spathulata Dougl. ex Hook. pale springbeautyClaytonia spathulata var. spathulata Dougl. ex Hook. pale springbeautyLewisia columbiana (T.J. Howell ex Gray) B.L. Robins. Columbian bitterrootLewisia columbiana var. columbiana (T.J. Howell ex Gray) B.L. Robins. Columbian bitterrootLewisia columbiana var. rupicola (English) C.L. Hitchc. Columbian bitterrootLewisia nevadensis (Gray) B.L. Robins. Nevada bitterrootLewisia pygmaea (Gray) B.L. Robins. pigmy bitterrootLewisia rediviva Pursh Oregon bitterroot

Lewisia rediviva var. rediviva Pursh Oregon bitterrootLewisia triphylla (S. Wats.) B.L. Robins. threeleaf lewisiaMontia chamissoi (Ledeb. ex Spreng.) Greene water minerslettuceMontia dichotoma (Nutt.) T.J. Howell dwarf minerslettuceMontia diffusa (Nutt.) Greene spreading minerslettuceMontia fontana L. annual water minerslettuceMontia fontana ssp. fontana L. annual water minerslettuceMontia howellii S. Wats. Howell's minerslettuceMontia linearis (Dougl. ex Hook.) Greene narrowleaf minerslettuceMontia parvifolia (Moc. ex DC.) Greene littleleaf minerslettuceMontia parvifolia ssp. flagellaris (Bong.) Ferris littleleaf minerslettuceMontia parvifolia ssp. parvifolia (Moc. ex DC.) Greene littleleaf minerslettuceMontia perfoliata (Donn ex Willd.) T.J. Howell = Claytonia perfoliata ssp. perfoliataPortulaca oleracea L. little hogweedTalinum sediforme Poelln. Okanogan fameflowerTalinum spinescens Torr. spiny fameflower

POTAMOGETONACEAEPotamogeton alpinus Balbis alpine pondweedPotamogeton amplifolius Tuckerman largeleaf pondweedPotamogeton crispus L. curly pondweedPotamogeton epihydrus Raf. ribbonleaf pondweedPotamogeton filiformis Pers. fineleaf pondweed


Potamogeton foliosus Raf. leafy pondweedPotamogeton foliosus var. fibrillosus (Fern.) Haynes & Reveal leafy pondweedPotamogeton foliosus var. foliosus Raf. leafy pondweedPotamogeton friesii Rupr. Fries' pondweedPotamogeton gramineus L. variableleaf pondweedPotamogeton illinoensis Morong Illinois pondweedPotamogeton natans L. floating pondweedPotamogeton nodosus Poir. longleaf pondweedPotamogeton obtusifolius Mert. & Koch bluntleaf pondweedPotamogeton pectinatus L. sago pondweedPotamogeton praelongus Wulfen whitestem pondweedPotamogeton pusillus L. small pondweedPotamogeton pusillus var. pusillus L. small pondweedPotamogeton pusillus var. tenuissimus Mert. & Koch small pondweedPotamogeton richardsonii (Benn.) Rydb. Richardson's pondweedPotamogeton robbinsii Oakes Robbins' pondweedPotamogeton vaginatus Turcz. sheathed pondweedPotamogeton zosteriformis Fern. flatstem pondweed

PRIMULACEAEAnagallis arvensis L. scarlet pimpernelAnagallis minima (L.) Krause chaffweedAndrosace filiformis Retz. filiform rockjasmine

Androsace septentrionalis L. pygmyflower rockjasmineDodecatheon conjugens Greene Bonneville shootingstarDodecatheon conjugens ssp. viscidum (Piper) H.J. Thompson Bonneville shootingstarDodecatheon conjugens var. conjugens Greene Bonneville shootingstarDodecatheon dentatum Hook. white shootingstarDodecatheon hendersonii Gray mosquito billsDodecatheon hendersonii ssp. hendersonii Gray Henderson's shootingstarDodecatheon jeffreyi Van Houtte tall mountain shootingstarDodecatheon jeffreyi ssp. jeffreyi Van Houtte Jeffrey's shootingstarDodecatheon meadia L. pride of OhioDodecatheon meadia ssp. meadia L. pride of OhioDodecatheon poeticum Henderson poet's shootingstarDodecatheon pulchellum (Raf.) Merr. darkthroat shootingstarDodecatheon pulchellum ssp. cusickii (Greene) Calder & Taylor Cusick's shootingstarDodecatheon pulchellum ssp. macrocarpum (Gray) Taylor & MacBryde darkthroat shootingstarDodecatheon pulchellum ssp. pulchellum (Raf.) Merr. darkthroat shootingstarDouglasia laevigata Gray cliff dwarfprimroseDouglasia laevigata var. ciliolata Constance cliff dwarfprimroseDouglasia laevigata var. laevigata Gray cliff dwarfprimroseDouglasia nivalis Lindl. snow dwarfprimroseDouglasia nivalis var. dentata (S. Wats.) Gray snow dwarfprimroseDouglasia nivalis var. nivalis Lindl. snow dwarfprimroseGlaux maritima L.


sea milkwortLysimachia ciliata L. fringed loosestrifeLysimachia hybrida Michx. lowland yellow loosestrifeLysimachia nummularia L. creeping jennyLysimachia punctata L. large yellow loosestrifeLysimachia terrestris (L.) B.S.P. earth loosestrifeLysimachia thyrsiflora L. tufted loosestrifeSamolus valerandi L. seaside brookweedSamolus valerandi ssp. parviflorus (Raf.) Hulten seaside brookweedTrientalis borealis Raf. American starflowerTrientalis borealis ssp. latifolia (Hook.) Hulten broadleaf starflowerTrientalis europaea L. arctic starflowerTrientalis europaea ssp. arctica (Fisch. ex Hook.) Hulten arctic starflower

PTERIDACEAEAdiantum aleuticum (Rupr.) Paris Aleutian maidenhairAdiantum pedatum = Adiantum aleuticumAspidotis densa (Brack.) Lellinger Indian's dreamCheilanthes feei T. Moore slender lipfernCheilanthes gracillima D.C. Eat. lace lipfernCheilanthes lanosa (Michx.) D.C. Eat. hairy lipfernCryptogramma R. Br. rockbrakeCryptogramma acrostichoides R. Br. American rockbrakeCryptogramma stelleri (Gmel.) Prantl fragile rockbrake

Pellaea brachyptera (T. Moore) Baker Sierran cliffbrakePellaea breweri D.C. Eat. Brewer's cliffbrakePellaea glabella Mett. ex Kuhn dwarf cliffbrakePellaea glabella ssp. occidentalis (E. Nels.) Windham western dwarf cliffbrakePellaea glabella ssp. simplex (Butters) A.& D. Love smooth cliffbrakePentagrama Yatskievych, Windham & Wollenweber gold fernPentagrama triangularis (Kaulfuss) Yatskievych, Windham & Wollenweber western goldfernPentagrama triangularis ssp. triangularis (Kaulfuss) Yatskievych, Windham & Wollenweber western goldfern

RANUNCULACEAEAconitum columbianum Nutt. Columbian monkshoodAconitum columbianum ssp. columbianum Nutt.Aconitum columbianum var. columbianum Nutt. Columbian monkshoodActaea arguta Nutt. = Actaea rubra ssp. argutaActaea rubra (Ait.) Willd. red baneberryActaea rubra ssp. arguta (Nutt.) Hulten red baneberryAdonis annua L. blooddropsAnemone deltoidea Hook. Columbian windflowerAnemone drummondii S. Wats. Drummond's anemoneAnemone drummondii ssp. drummondii S. Wats. Drummond's anemoneAnemone ludoviciana Nutt. = Pulsatilla patens ssp. multifidaAnemone lyallii Britt. Little Mountain thimbleweedAnemone multifida (Pritz.) Zamels, non Poir.


= Pulsatilla patens ssp. multifidaAnemone multifida Poir. Pacific anemoneAnemone multifida var. hirsuta C.L. Hitchc. Pacific anemoneAnemone multifida var. hudsoniana DC. Hudson's anemoneAnemone multifida var. multifida Poir. Pacific anemoneAnemone nuttalliana DC. = Pulsatilla patens ssp. multifidaAnemone occidentalis S. Wats. = Pulsatilla occidentalisAnemone oregana Gray blue windflowerAnemone oregana var. felix (M.E. Peck) C.L. Hitchc. Felix anemoneAnemone oregana var. oregana Gray blue windflowerAnemone parviflora Michx. smallflowered anemoneAnemone patens var. multifida Pritz. = Pulsatilla patens ssp. multifidaAnemone patens var. nuttalliana (DC.) Gray = Pulsatilla patens ssp. multifidaAnemone patens var. wolfgangiana (Bess. ex Richards) Trauvtr. & Mey ex F. Kurtz = Pulsatilla patens ssp. multifidaAnemone piperi Britt. ex Rydb. Piper's anemoneAquilegia flavescens S. Wats. yellow columbineAquilegia formosa Fisch. ex DC. western columbineAquilegia formosa var. formosa Fisch. ex DC. crimson columbineAquilegia formosa var. wawawensis (Payson) St. John Wawaw columbineCaltha biflora DC. = Caltha leptosepala ssp. howelliiCaltha leptosepala DC. white marshmarigoldCaltha leptosepala ssp. howellii (Huth) P.G. Sm. Howell's marshmarigoldCaltha leptosepala ssp. leptosepala DC.

white marshmarigoldCaltha leptosepala ssp. leptosepala var. leptosepala DC. white marshmarigoldCeratocephala testiculata (Crantz) Bess. curveseed butterwortCimicifuga elata Nutt. tall bugbaneCimicifuga laciniata S. Wats. Mt. Hood bugbaneClematis columbiana (Nutt.) Torr. & Gray rock clematisClematis columbiana var. columbiana (Nutt.) Torr. & Gray rock clematisClematis hirsutissima Pursh hairy clematisClematis ligusticifolia Nutt. western white clematisClematis ligusticifolia var. brevifolia Nutt. western white clematisClematis ligusticifolia var. ligusticifolia Nutt. western white clematisClematis occidentalis (Hornem.) DC. western blue virginsbowerClematis occidentalis var. dissecta (C.L. Hitchc.) J. Pringle western blue virginsbowerClematis pseudoalpina (Kuntze) A. Nels. = Clematis columbiana var. columbianaClematis vitalba L. evergreen clematisConsolida ajacis (L.) Schur doubtful knight's spurCoptis aspleniifolia Salisb. fernleaf goldthreadCoptis laciniata Gray Oregon goldthreadCoptis occidentalis (Nutt.) Torr. & Gray Idaho goldthreadDelphinium X burkei Greene Burk larkspurDelphinium X occidentale (S. Wats.) S. Wats. duncecap larkspurDelphinium bicolor Nutt. little larkspurDelphinium depauperatum Nutt. slim larkspur


Delphinium glareosum Greene Olympic larkspurDelphinium glareosum ssp. caprorum (Ewan) Ewan Olympic larkspurDelphinium glareosum ssp. glareosum Greene Olympic larkspurDelphinium glaucum S. Wats. Sierra larkspurDelphinium menziesii DC. Menzies' larkspurDelphinium menziesii ssp. menziesii DC. Menzies' larkspurDelphinium multiplex (Ewan) C.L. Hitchc. kittitas larkspurDelphinium nuttallianum Pritz. ex Walp. Nuttal's larkspurDelphinium nuttallianum var. fulvum C.L. Hitchc. yellow larkspurDelphinium nuttallianum var. lineapetalum (Ewan) C.L. Hitchc. Nuttal's larkspurDelphinium nuttallianum var. nuttallianum Pritz. ex Walp. Nuttal's larkspurDelphinium nuttallii Gray Nuttall's larkspurDelphinium nuttallii ssp. ochroleucum (Nutt.) WarnockDelphinium occidentale ssp. occidentale (S. Wats.) S. Wats. duncecap larkspurDelphinium stachydeum (Gray) Tidestrom Rocky Mountain larkspurDelphinium trolliifolium Gray Columbian larkspurDelphinium viridescens Leib. Wenatchee larkspurDelphinium xantholeucum Piper yellow white larkspurEnemion hallii (Gray) Drumm. & Hutchinson Willamette false rue anemoneKumlienia cooleyae (Vasey & Rose) Greene Cooley's buttercupMyosurus aristatus Benth. bristle mousetailMyosurus minimus ssp. major (Greene) Campbell tiny mousetailMyosurus minimus ssp. major var. major (Greene) K.C. Davis tiny mousetail

Myosurus minimus ssp. minimus L. tiny mousetailMyosurus minumus L. tiny mousetailPulsatilla hirsutissima (Pursh) Britt. = Pulsatilla patens ssp. multifidaPulsatilla ludoviciana Heller = Pulsatilla patens ssp. multifidaPulsatilla nuttalliana (DC.) Spreng. = Pulsatilla patens ssp. multifidaPulsatilla occidentalis (S. Wats.) Freyn white pasqueflowerPulsatilla patens (L.) P. Mill. American pasqueflowerPulsatilla patens ssp. hirsutissima (Pursh) Zamels = Pulsatilla patens ssp. multifidaPulsatilla patens ssp. multifida (Pritz.) Zamels cutleaf anemoneRanunculus abortivus L. littleleaf buttercupRanunculus abortivus var. abortivus L. littleleaf buttercupRanunculus acris L. tall buttercupRanunculus acris var. acris L. showy buttercupRanunculus alismifolius Geyer ex Benth. plantainleaf buttercupRanunculus alismifolius var. alismellus Gray plantainleaf buttercupRanunculus alismifolius var. alismifolius Geyer ex Benth. plantainleaf buttercupRanunculus aquatilis L. whitewater crowfootRanunculus arvensis L. corn buttercupRanunculus bulbosus L. St. Anthony's turnipRanunculus californicus Benth. California buttercupRanunculus cardiophyllus Hook. heartleaf buttercupRanunculus cymbalaria Pursh alkali buttercupRanunculus cymbalaria var. cymbalaria Pursh


alkali buttercupRanunculus cymbalaria var. saximontanus Fern. Rocky Mountain buttercupRanunculus eschscholtzii Schlecht. Eschscholtz's buttercupRanunculus eschscholtzii var. eschscholtzii Schlecht. Eschscholtz's buttercupRanunculus ficaria L. fig buttercupRanunculus flabellaris Raf. yellow water buttercupRanunculus flammula L. spearwort buttercupRanunculus flammula var. filiformis (Michx.) Hook. flam buttercupRanunculus flammula var. flammula L. flam buttercupRanunculus glaberrimus Hook. sagebrush buttercupRanunculus glaberrimus var. ellipticus (Greene) Greene elliptical buttercupRanunculus glaberrimus var. glaberrimus Hook. sagebrush buttercupRanunculus glaberrimus var. reconditus L. Benson sagebrush buttercupRanunculus gmelinii DC. Gmelin's buttercupRanunculus gmelinii var. limosus (Nutt.) Hara Gmelin's buttercupRanunculus gmelinii var. purshii (Richards.) Hara Pursh's buttercupRanunculus hebecarpus Hook. & Arn. delicate buttercupRanunculus inamoenus Greene graceful buttercupRanunculus inamoenus var. alpeophilus (A. Nels.) L. Benson graceful buttercupRanunculus inamoenus var. inamoenus Greene graceful buttercupRanunculus longirostris Godr. longbeak buttercupRanunculus macounii Britt. Macoun's buttercupRanunculus muricatus L. spinyfruit buttercup

Ranunculus occidentalis Nutt. western buttercupRanunculus occidentalis var. occidentalis Nutt. western buttercupRanunculus orthorhynchus Hook. straightbeak buttercupRanunculus orthorhynchus var. orthorhynchus Hook. straightbeak buttercupRanunculus pensylvanicus L. f. Pennsylvania buttercupRanunculus populago Greene popular buttercupRanunculus recurvatus Poir. blisterwortRanunculus repens L. creeping buttercupRanunculus repens var. degeneratus Schur creeping buttercupRanunculus repens var. glabratus DC. creeping buttercupRanunculus repens var. repens L. creeping buttercupRanunculus sceleratus L. celeryleaf buttercupRanunculus sceleratus var. multifidus Nutt. blister buttercupRanunculus sceleratus var. sceleratus L. cursed buttercupRanunculus suksdorfii Gray Suksdorf's buttercupRanunculus trichophyllus Chaix whitewater crowfootRanunculus trichophyllus var. trichophyllus Chaix hairleaf water buttercupRanunculus uncinatus D. Don ex G. Don hooked buttercupRanunculus uncinatus var. parviflorus (Torr.) L. Benson common Idaho buttercupRanunculus uncinatus var. uncinatus D. Don ex G. Don woodland buttercupRanunculus verecundus B.L. Robins. ex Piper wetslope buttercupThalictrum dasycarpum Fisch. & Ave-Lall. purple meadowrueThalictrum fendleri Engelm. ex Gray


Fendler's meadowrueThalictrum occidentale Gray western meadowrueThalictrum occidentale var. occidentale Gray western meadowrueThalictrum sparsiflorum Turcz. ex Fisch. & C.A. Mey. fewflower meadowrueThalictrum venulosum Trel. veiny meadowrueTrautvetteria caroliniensis (Walt.) Vail Carolina bugbaneTrollius laxus Salisb. American globeflowerTrollius laxus ssp. albiflorus (Gray) A.& D. Love & Kapoor American globeflower

RHAMNACEAECeanothus integerrimus Hook. & Arn. deerbrushCeanothus prostratus Benth. squawcarpetCeanothus prostratus ssp. prostratus Benth. squawcarpetCeanothus sanguineus Pursh redstem ceanothusCeanothus velutinus Dougl. ex Hook. snowbrush ceanothusCeanothus velutinus ssp. hookeri (M.C. Johnston) C. Schmidt Hooker's ceanothusCeanothus velutinus ssp. velutinus Dougl. ex Hook. tobacco brushFrangula purshiana (DC.) Cooper Pursh's buckthornRhamnus alnifolia L'Her. alderleaf buckthornRhamnus purshiana DC. = Frangula purshiana

ROSACEAEAgrimonia gryposepala Wallr. tall hairy agrimonyAlchemilla = Aphanes

Amelanchier alnifolia (Nutt.) Nutt. ex M. Roemer Saskatoon serviceberryAmelanchier alnifolia var. alnifolia (Nutt.) Nutt. ex M. Roemer Saskatoon serviceberryAmelanchier alnifolia var. cusickii (Fern.) C.L. Hitchc. Cusick's serviceberryAmelanchier alnifolia var. humptulipensis (G.N. Jones) C.L. Hitchc. Saskatoon serviceberryAmelanchier alnifolia var. semiintegrifolia (Hook.) C.L. Hitchc. Pacific serviceberryAmelanchier pallida Greene pale serviceberryAmelanchier pumila (Torr. & Gray) Nutt. ex M. Roemer dwarf serviceberryAmelanchier utahensis Koehne Utah serviceberryAmelanchier utahensis ssp. utahensis Koehne Utah serviceberryAphanes arvensis L. field parsley piertArgentina anserina (L.) Rydb. silverweed cinquefoilArgentina egedii (Wormsk.) Rydb. Pacific silverweedArgentina egedii ssp. egedii (Wormsk.) Rydb. Eged's Pacific silverweedAruncus dioicus (Walt.) Fern. bride's feathersAruncus dioicus var. vulgaris (Maxim.) Hara bride's feathersCercocarpus ledifolius Nutt. curlleaf mountain mahoganyCercocarpus ledifolius var. intercedens Schneid. curlleaf mountain mahoganyCercocarpus ledifolius var. ledifolius Nutt. curlleaf mountain mahoganyComarum palustre L. purple marshlocksCrataegus columbiana T.J. Howell = Crataegus douglasii var. douglasiiCrataegus douglasii Lindl. black hawthornCrataegus douglasii var. douglasii Lindl. Douglas' hawthornDryas drummondii Richards. ex Hook.


Drummond's dryadDryas octopetala L. white dryadDryas octopetala ssp. hookeriana (Juz.) Hulten Hooker's mountainavensDuchesnea indica (Andr.) Focke Indian strawberryFilipendula occidentalis (S. Wats.) T.J. Howell meadowsweetFragaria X ananassa Duchesne (pro sp.) hybrid strawberryFragaria X ananassa var. ananassa Duchesne (pro sp.) hybrid strawberryFragaria X ananassa var. cuneifolia (Nutt. ex T.J. Howell) Staudt (pro nm.) hybrid strawberryFragaria chiloensis (L.) P. Mill. beach strawberryFragaria crinita Rydb. Pacific strawberryFragaria vesca L. woodland strawberryFragaria vesca ssp. bracteata (Heller) Staudt woodland strawberryFragaria virginiana Duchesne Virginia strawberryFragaria virginiana ssp. platypetala (Rydb.) Staudt Virginia strawberryGeum aleppicum Jacq. yellow avensGeum macrophyllum Willd. largeleaf avensGeum macrophyllum var. macrophyllum Willd. largeleaf avensGeum macrophyllum var. perincisum (Rydb.) Raup largeleaf avensGeum rivale L. purple avensGeum rossii (R. Br.) Ser. Ross' avensGeum rossii var. depressum (Greene) C.L. Hitchc. Ross' avensGeum triflorum Pursh prairiesmokeGeum triflorum var. campanulatum (Greene) C.L. Hitchc.

old man's whiskersGeum triflorum var. ciliatum (Pursh) Fassett old man's whiskersHolodiscus discolor (Pursh) Maxim. oceansprayHorkelia fusca Lindl. tawny horkeliaHorkelia fusca ssp. capitata (Lindl.) Keck bighead horkeliaHorkelia fusca ssp. fusca Lindl. pinewoods honeydewHorkelia fusca ssp. parviflora (Nutt. ex Torr. & Gray) Keck smallflower horkeliaIvesia gordonii (Hook.) Torr. & Gray Gordon's ivesiaIvesia tweedyi Rydb. Tweedy's ivesiaLuetkea pectinata (Pursh) Kuntze partridgefootMalus fusca (Raf.) Schneid. Oregon crabappleMalus sylvestris P. Mill. appleOemleria cerasiformis (Torr. & Gray ex Hook. & Arn.) Landon Indian plumPentaphylloides floribunda (Pursh) A. Love shrubby cinquefoilPetrophyton cinerascens (Piper) Rydb. halfshrub rockmatPetrophyton hendersonii (Canby) Rydb. Olympic Mountain rockmatPhysocarpus capitatus (Pursh) Kuntze Pacific ninebarkPhysocarpus malvaceus (Greene) Kuntze mallow ninebarkPotentilla anserina L. = Argentina anserinaPotentilla argentea L. silver cinquefoilPotentilla argentea var. argentea L. silver cinquefoilPotentilla arguta Pursh tall cinquefoilPotentilla arguta ssp. convallaria (Rydb.) Keck cream cinquefoil


Potentilla biennis Greene biennial cinquefoilPotentilla diversifolia Lehm. varileaf cinquefoilPotentilla diversifolia var. diversifolia Lehm. varileaf cinquefoilPotentilla diversifolia var. perdissecta (Rydb.) C.L. Hitchc. mountainmeadow cinquefoilPotentilla drummondii Lehm. Drummond's cinquefoilPotentilla drummondii ssp. breweri (S. Wats.) ErtterPotentilla egedii Wormsk. = Argentina egedii ssp. egediiPotentilla flabellifolia Hook. ex Torr. & Gray high mountain cinquefoilPotentilla fruticosa auct. non L. = Pentaphylloides floribundaPotentilla glandulosa Lindl. gland cinquefoilPotentilla glandulosa ssp. glabrata (Rydb.) Keck sticky cinquefoilPotentilla glandulosa ssp. glandulosa Lindl. sticky cinquefoilPotentilla glandulosa ssp. pseudorupestris (Rydb.) Keck sticky cinquefoilPotentilla gracilis Dougl. ex Hook. northwest cinquefoilPotentilla gracilis var. brunnescens (Rydb.) C.L. Hitchc. brownfuz cinquefoilPotentilla gracilis var. fastigiata (Nutt.) S. Wats.Potentilla gracilis var. flabelliformis (Lehm.) Nutt. ex Torr. & GrayPotentilla gracilis var. gracilis Dougl. ex Hook. graceful cinquefoilPotentilla nana Willd. ex Schlecht. arctic cinquefoilPotentilla newberryi Gray Newberry's cinquefoilPotentilla nivea L. snow cinquefoilPotentilla nivea var. nivea L. snow cinquefoilPotentilla nivea var. pentaphylla Lehm. fiveleaf cinquefoilPotentilla norvegica L. Norwegian cinquefoil

Potentilla norvegica ssp. hirsuta (Michx.) Hyl. Norwegian cinquefoilPotentilla norvegica ssp. monspeliensis (L.) Aschers. & Graebn. Norwegian cinquefoilPotentilla pacifica T.J. Howell = Argentina egedii ssp. egediiPotentilla palustris (L.) Scop. = Comarum palustrePotentilla paradoxa Nutt. Paradox cinquefoilPotentilla pectinisecta Rydb. combleaf cinquefoilPotentilla pensylvanica L. Pennsylvania cinquefoilPotentilla pensylvanica var. strigosa Pallas ex Pursh Pennsylvania cinquefoilPotentilla pulcherrima Lehm. beautiful cinquefoilPotentilla recta L. sulphur cinquefoilPotentilla rivalis Nutt. brook cinquefoilPotentilla rivalis var. millegrana (Engelm. ex Lehm.) S. Wats. brook cinquefoilPotentilla rivalis var. rivalis Nutt. brook cinquefoilPotentilla uniflora Ledeb. oneflower cinquefoilPotentilla villosa Pallas ex Pursh villous cinquefoilPrunus avium (L.) L. sweet cherryPrunus cerasus L. sour cherryPrunus domestica L. European plumPrunus emarginata (Dougl. ex Hook.) Walp. bitter cherryPrunus emarginata var. emarginata (Dougl. ex Hook.) Walp. bitter cherryPrunus emarginata var. mollis (Dougl. ex Hook.) Brewer bitter cherryPrunus mahaleb L. Mahaleb cherryPrunus melanocarpa (A. Nels.) Rydb.


= Prunus virginiana var. melanocarpaPrunus spinosa L. blackthornPrunus virginiana L. common chokecherryPrunus virginiana var. demissa (Nutt.) Torr. western chokecherryPrunus virginiana var. melanocarpa (A. Nels.) Sarg. black chokecherryPurshia tridentata (Pursh) DC. antelope bitterbrushPyrus communis L. common pearRosa canina L. dog roseRosa eglanteria L. sweetbriar roseRosa gymnocarpa Nutt. dwarf roseRosa gymnocarpa var. gymnocarpa Nutt. wood roseRosa multiflora Thunb. ex Murr. multiflora roseRosa nutkana K. Presl Nootka roseRosa nutkana var. hispida Fern. bristly Nootka roseRosa nutkana var. muriculata (Greene) G.N. Jones Nootka roseRosa nutkana var. nutkana K. Presl Nootka roseRosa nutkana var. setosa G.N. Jones Nootka roseRosa pisocarpa Gray cluster roseRosa rugosa Thunb. rugosa roseRosa woodsii Lindl. Woods' roseRosa woodsii var. ultramontana (S. Wats.) Jepson Woods' roseRubus arcticus L. arctic blackberryRubus arcticus ssp. acaulis (Michx.) Focke dwarf raspberry

Rubus discolor Weihe & Nees Himalayan blackberryRubus idaeus L. American red raspberryRubus idaeus ssp. idaeus L. common red raspberryRubus idaeus ssp. strigosus (Michx.) Focke grayleaf red raspberryRubus laciniatus Willd. cutleaf blackberryRubus lasiococcus Gray roughfruit berryRubus leucodermis Dougl. ex Torr. & Gray whitebark raspberryRubus leucodermis var. leucodermis Dougl. ex Torr. & Gray whitebark raspberryRubus macrophyllus Weihe & Nees largeleaf blackberryRubus nigerrimus (Greene) Rydb. dark raspberryRubus nivalis Dougl. ex Hook. snow raspberryRubus parviflorus Nutt. thimbleberryRubus parviflorus var. parviflorus Nutt. western thimbleberryRubus pedatus Sm. strawberryleaf raspberryRubus pubescens Raf. dwarf red blackberryRubus spectabilis Pursh salmonberryRubus strigosus Michx. = Rubus idaeus ssp. strigosusRubus ursinus Cham. & Schlecht. California blackberryRubus ursinus ssp. macropetalus (Dougl. ex Hook.) Taylor & MacBryde California blackberryRubus vestitus Weihe & Nees European blackberrySanguisorba menziesii Rydb. Menzies' burnetSanguisorba minor Scop. small burnet


Sanguisorba occidentalis Nutt. western burnetSanguisorba officinalis L. official burnetSibbaldia procumbens L. creeping sibbaldiaSorbaria arborea Schneid. sorbariaSorbus aucuparia L. European mountainashSorbus scopulina Greene Greene mountainashSorbus scopulina var. cascadensis (G.N. Jones) C.L. Hitchc. Cascade mountainashSorbus scopulina var. scopulina Greene Cascade mountainashSorbus sitchensis M. Roemer western mountainashSorbus sitchensis var. grayi (Wenzig) C.L. Hitchc. Gray's mountainashSorbus sitchensis var. sitchensis M. Roemer Sitka mountainashSpiraea X pyramidata Greene (pro sp.) pyramid spireaSpiraea betulifolia Pallas white spireaSpiraea betulifolia var. lucida (Dougl. ex Greene) C.L. Hitchc. shinyleaf spireaSpiraea discolor Pursh = Holodiscus discolorSpiraea douglasii Hook. Douglas' spireaSpiraea douglasii var. douglasii Hook. rose spireaSpiraea douglasii var. menziesii (Hook.) K. Presl Menzies' spireaSpiraea splendens Baumann ex K. Koch rose meadowsweetSpiraea splendens var. splendens Baumann ex K. Koch mountain spireaSpiraea tomentosa L. steeplebush

RUBIACEAEGalium aparine L. stickywillyGalium bifolium S. Wats. twinleaf bedstrawGalium boreale L. northern bedstrawGalium divaricatum Pourret ex Lam. Lamarck's bedstrawGalium kamtschaticum Steller ex J.A. & J.H. Schultes boreal bedstrawGalium mexicanum Kunth Mexican bedstrawGalium mexicanum ssp. asperulum (Gray) Dempster Mexican bedstrawGalium mollugo L. false baby's breathGalium multiflorum Kellogg shrubby bedstrawGalium odoratum (L.) Scop. sweetscented bedstrawGalium oreganum Britt. Oregon bedstrawGalium parisiense L. wall bedstrawGalium serpenticum Dempster Intermountain bedstrawGalium serpenticum ssp. puberulum (Piper) Dempster & Ehrend. Intermountain bedstrawGalium sylvaticum L. scotchmistGalium tricornutum Dandy roughfruit corn bedstrawGalium trifidum L. threepetal bedstrawGalium trifidum ssp. columbianum (Rydb.) Hulten threepetal bedstrawGalium trifidum ssp. subbiflorum (Wieg.) Piper threepetal bedstrawGalium triflorum Michx. fragrant bedstrawGalium verum L. Yellow Spring bedstrawGalium watsonii (Gray) Heller


Watson's bedstrawKelloggia galioides Torr. milk kelloggiaSherardia arvensis L. blue fieldmadder

RUPPIACEAERuppia maritima L. widgeongrass

SALICACEAEPopulus balsamifera L. balsam poplarPopulus balsamifera ssp. trichocarpa (Torr. & Gray ex Hook.) Brayshaw black cottonwoodPopulus tremuloides Michx. quaking aspenPopulus trichocarpa Torr. & Gray ex Hook. = Populus balsamifera ssp. trichocarpaSalix X fluviatilis Nutt. river willowSalix amygdaloides Anderss. peachleaf willowSalix arctica R. Br. ex Richards.Salix barclayi Anderss. Barclay's willowSalix bebbiana Sarg. Bebb willowSalix boothii Dorn Booth's willowSalix brachycarpa Nutt. barrenground willowSalix brachycarpa ssp. brachycarpa Nutt. barrenground willowSalix brachycarpa ssp. brachycarpa var. brachycarpa Nutt. barrenground willowSalix candida Fluegge ex Willd. sageleaf willowSalix cascadensis Cockerell cascade willowSalix commutata Bebb undergreen willow

Salix drummondiana Barratt ex Hook. Drummond's willowSalix eastwoodiae Cockerell ex Heller mountain willowSalix geyeriana Anderss. Geyer's willowSalix hookeriana Barratt ex Hook. dune willowSalix lasiolepis Benth. arroyo willowSalix lasiolepis var. lasiolepis Benth. Tracy willowSalix lucida Muhl. shining willowSalix lucida ssp. caudata (Nutt.) E. Murr. greenleaf willowSalix lucida ssp. lasiandra (Benth.) E. Murr. Pacific willowSalix lutea Nutt. yellow willowSalix maccalliana Rowlee McCalla's willowSalix melanopsis Nutt. dusky willowSalix myrtillifolia Anderss. blueberry willowSalix pedicellaris Pursh bog willowSalix planifolia Pursh diamondleaf willowSalix planifolia ssp. planifolia Pursh tealeaf willowSalix prolixa Anderss. MacKenzie's willowSalix reticulata L. netleaf willowSalix reticulata ssp. nivalis (Hook.) A.& D. Love & Kapoor snow willowSalix scouleriana Barratt ex Hook. Scouler's willowSalix sessilifolia Nutt. northwest sandbar willowSalix sitchensis Sanson ex Bong. Sitka willowSalix tweedyi (Bebb ex Rose) Ball


Tweedy's willow

SANTALACEAEComandra pallida A. DC. = Comandra umbellata ssp. pallidaComandra umbellata (L.) Nutt. bastard toadflaxComandra umbellata ssp. californica (Eastw. ex Rydb.) Piehl California bastard toadflaxComandra umbellata ssp. pallida (A. DC.) Piehl pale bastard toadflaxGeocaulon lividum (Richards.) Fern. false toadflax

SARRACENIACEAEDarlingtonia californica Torr. California pitcherplant

SAXIFRAGACEAEBolandra oregana S. Wats. northern false coolwortBoykinia intermedia (Piper) G.N. Jones Sierran brookfoamBoykinia occidentalis Torr. & Gray coastal brookfoamChrysosplenium glechomifolium Nutt. Pacific golden saxifrageChrysosplenium tetrandrum (Lund ex Malmgr.) Th. Fries northern golden saxifrageElmera racemosa (S. Wats.) Rydb. yellow coralbellsElmera racemosa var. puberulenta C.L. Hitchc. yellow coralbellsElmera racemosa var. racemosa (S. Wats.) Rydb. yellow coralbellsHeuchera chlorantha Piper tall alumrootHeuchera cylindrica Dougl. ex Hook. roundleaf alumrootHeuchera cylindrica var. alpina Sw. alpine alumrootHeuchera cylindrica var. cylindrica Dougl. ex Hook. roundleaf alumroot

Heuchera cylindrica var. glabella (Torr. & Gray) Wheelock beautiful alumrootHeuchera cylindrica var. orbicularis (Rosendahl, Butters & Lakela) Calder & Savile poker alumrootHeuchera cylindrica var. septentrionalis Rosendahl, Butters & Lakela roundleaf alumrootHeuchera glabra Willd. ex Roemer & J.A. Schultes alpine heucheraHeuchera grossulariifolia Rydb. gooseberryleaf alumrootHeuchera grossulariifolia var. tenuifolia (Wheelock) C.L. Hitchc. gooseberryleaf alumrootHeuchera micrantha Dougl. ex Lindl. crevice alumrootHeuchera micrantha var. diversifolia (Rydb.) Rosendahl, Butters & Lakela crevice alumrootHeuchera micrantha var. micrantha Dougl. ex Lindl. crevice alumrootLeptarrhena pyrolifolia (D. Don) R. Br. ex Ser. fireleaf leptarrhenaLithophragma glabrum Nutt. bulbous woodlandstarLithophragma parviflorum (Hook.) Nutt. ex Torr. & Gray smallflower woodlandstarLithophragma parviflorum var. parviflorum (Hook.) Nutt. ex Torr. & Gray smallflower woodlandstarLithophragma tenellum Nutt. slender woodlandstarMitella breweri Gray Brewer's miterwortMitella caulescens Nutt. slightstemmed miterwortMitella diversifolia Greene angleleaf miterwortMitella nuda L. naked miterwortMitella ovalis Greene coastal miterwortMitella pentandra Hook. fivestamen miterwortMitella stauropetala Piper smallflower miterwort


Mitella stauropetala var. stauropetala Piper smallflower miterwortMitella trifida Graham threeparted miterwortMitella trifida var. trifida Graham threeparted miterwortMitella trifida var. violacea (Rydb.) Rosendahl threeparted miterwortParnassia fimbriata Koenig Rocky Mountain parnassiaParnassia fimbriata var. fimbriata Koenig fringed grass of ParnassusParnassia fimbriata var. hoodiana C.L. Hitchc. fringed grass of ParnassusParnassia kotzebuei Cham. ex Spreng. Kotzebue's grass of ParnassusParnassia palustris L. northern grass of ParnassusParnassia palustris var. tenuis Wahlenb. marsh grass of ParnassusSaxifraga adscendens L. wedgeleaf saxifrageSaxifraga adscendens ssp. oregonensis (Raf.) Bacig. small saxifrageSaxifraga apetala Piper western swamp saxifrageSaxifraga bronchialis L. yellowdot saxifrageSaxifraga bronchialis ssp. austromontana (Wieg.) Piper matted saxifrageSaxifraga bronchialis ssp. vespertina (Small) Piper yellowdot saxifrageSaxifraga cernua L. nodding saxifrageSaxifraga cespitosa L. tufted alpine saxifrageSaxifraga cespitosa ssp. cespitosa L. tufted alpine saxifrageSaxifraga cespitosa ssp. cespitosa var. emarginata (Small) Rosendahl tufted alpine saxifrageSaxifraga cespitosa ssp. subgemmifera Engl. & Irmsch. tufted alpine saxifrageSaxifraga ferruginea Graham rustyhair saxifrageSaxifraga ferruginea var. ferruginea Graham

rustyhair saxifrageSaxifraga ferruginea var. vreelandii (Small) Engl. & Irmsch. Vreeland's saxifrageSaxifraga idahoensis Piper Idaho saxifrageSaxifraga integrifolia Hook. wholeleaf saxifrageSaxifraga lyallii Engl. redstem saxifrageSaxifraga lyallii ssp. lyallii Engl. Lyall's saxifrageSaxifraga marshallii Greene Marshall's saxifrageSaxifraga mertensiana Bong. wood saxifrageSaxifraga nelsoniana D. Don heartleaf saxifrageSaxifraga nelsoniana ssp. cascadensis (Calder & Savile) Hulten cascade saxifrageSaxifraga nidifica Greene peak saxifrageSaxifraga nidifica var. claytoniifolia (Canby ex Small) Elvander peak saxifrageSaxifraga nidifica var. nidifica Greene peak saxifrageSaxifraga nuttallii Small Nuttall's saxifrageSaxifraga occidentalis S. Wats. Alberta saxifrageSaxifraga odontoloma Piper brook saxifrageSaxifraga oppositifolia L. purple mountain saxifrageSaxifraga oregana T.J. Howell Oregon saxifrageSaxifraga rivularis L. weak saxifrageSaxifraga rufidula (Small) Macoun rustyhair saxifrageSaxifraga stolonifera Meerb. creeping saxifrageSaxifraga tischii Skelly Olympic saxifrageSaxifraga tolmiei Torr. & Gray Tolmie's saxifrage


Saxifraga tricuspidata Rottb. three toothed saxifrageSuksdorfia ranunculifolia (Hook.) Engl. buttercup suksdorfiaSuksdorfia violacea Gray violet suksdorfiaSullivantia oregana S. Wats. Oregon coolwortTellima grandiflora (Pursh) Dougl. ex Lindl. bigflower tellimaTiarella trifoliata L. threeleaf foamflowerTiarella trifoliata var. laciniata (Hook.) Wheelock threeleaf foamflowerTiarella trifoliata var. trifoliata L. threeleaf foamflowerTiarella trifoliata var. unifoliata (Hook.) Kurtz oneleaf foamflowerTolmiea menziesii (Pursh) Torr. & Gray youth on age

SCHEUCHZERIACEAEScheuchzeria palustris L. scheuchzeriaScheuchzeria palustris ssp. americana (Fern.) Hulten American scheuchzeria

SCROPHULARIACEAEBesseya rubra (Dougl. ex Hook.) Rydb. red besseyaCastilleja Mutis ex L. f. Indian paintbrushCastilleja affinis Hook. & Arn. Indian paintbrushCastilleja affinis ssp. litoralis (Pennell) Chuang & HeckardCastilleja ambigua Hook. & Arn. ambiguous Indian paintbrushCastilleja ambigua ssp. ambigua Hook. & Arn. ambiguous Indian paintbrushCastilleja attenuata (Gray) Chuang & Heckard attenuate Indian paintbrushCastilleja cervina Greenm. deer Indian paintbrush

Castilleja cryptantha Pennell & G.N. Jones obscure Indian paintbrushCastilleja cusickii Greenm. Cusick's Indian paintbrushCastilleja elmeri Fern. Wenatchee Indian paintbrushCastilleja exserta (Heller) Chuang & Heckard exserted Indian paintbrushCastilleja exserta ssp. exserta (Heller) Chuang & Heckard exserted Indian paintbrushCastilleja hispida Benth. harsh Indian paintbrushCastilleja hispida ssp. acuta Pennell acute Indian paintbrushCastilleja hispida ssp. hispida Benth. harsh Indian paintbrushCastilleja levisecta Greenm. golden Indian paintbrushCastilleja lutescens (Greenm.) Rydb. yellow Indian paintbrushCastilleja miniata Dougl. ex Hook. scarlet Indian paintbrushCastilleja miniata ssp. dixonii (Fern.) Kartesz, comb. nov. ined.Castilleja miniata var. miniata Dougl. ex Hook. green Indian paintbrushCastilleja minor (Gray) Gray lesser Indian paintbrushCastilleja minor ssp. minor (Gray) GrayCastilleja parviflora Bong. mountain Indian paintbrushCastilleja parviflora var. albida (Pennell) Ownbey smallflower Indian paintbrushCastilleja parviflora var. olympica (G.N. Jones) Ownbey Olympic Indian paintbrushCastilleja parviflora var. oreopola (Greenm.) Ownbey Henry Indian paintbrushCastilleja rhexiifolia Rydb. splitleaf Indian paintbrushCastilleja rupicola Piper ex Fern. cliff Indian paintbrushCastilleja septentrionalis Lindl. Labrador Indian paintbrushCastilleja suksdorfii Gray Suksdorf's Indian paintbrushCastilleja tenuis (Heller) Chuang & Heckard


Indian paintbrushCastilleja thompsonii Pennell Thompson's Indian paintbrushCollinsia grandiflora Lindl.Collinsia parviflora Lindl. smallflower blue eyed MaryCollinsia parviflora var. parviflora Lindl. smallflower blue eyed MaryCollinsia rattanii Gray sticky blue eyed MaryCollinsia rattanii ssp. glandulosa (T.J. Howell) Pennell sticky blue eyed MaryCollinsia sparsiflora Fisch. & C.A. Mey. spinster's blue eyed MaryCollinsia sparsiflora var. bruceae (M.E. Jones) Newsom spinster's blue eyed MaryCordylanthus capitatus Nutt. ex Benth. Yakima bird's beakCymbalaria muralis P.G. Gaertn., B. Mey. & Scherb. Kenilworth ivyDigitalis purpurea L. purple foxgloveDigitalis purpurea var. purpurea L. purple foxgloveEuphrasia arctica var. disjuncta (Fern. & Wieg.) Cronq. = Euphrasia disjunctaEuphrasia disjuncta Fern. & Wieg. polar eyebrightEuphrasia officinalis L. = Euphrasia strictaEuphrasia stricta D. Wolff ex J.F. Lehm. drug eyebrightGratiola ebracteata Benth. ex A. DC. bractless hedgehyssopGratiola neglecta Torr. clammy hedgehyssopLimosella acaulis Sesse & Moc. Owyhee mudwortLimosella aquatica L. water mudwortLimosella australis R. Br. Welsh mudwortLinaria canadensis (L.) Chaz. = Nuttallanthus canadensisLinaria canadensis var. texana (Scheele) Pennell

= Nuttallanthus texanusLinaria dalmatica (L.) P. Mill. Dalmatian toadflaxLinaria dalmatica ssp. dalmatica (L.) P. Mill. Dalmatian toadflaxLinaria dalmatica ssp. macedonica (Griseb.) D.A. Sutton Dalmatian toadflaxLinaria texana Scheele = Nuttallanthus texanusLinaria vulgaris P. Mill. butter and eggsLindernia dubia (L.) Pennell moistbank pimpernelLindernia dubia var. anagallidea (Michx.) Cooperrider yellowseed false pimpernelLindernia dubia var. dubia (L.) Pennell yellowseed false pimpernelMelampyrum lineare Desr. narrowleaf cowwheatMelampyrum lineare var. lineare Desr. American cowwheatMimetanthe pilosa (Benth.) Greene false monkeyflowerMimulus alsinoides Dougl. ex Benth. wingstem monkeyflowerMimulus breviflorus Piper shortflower monkeyflowerMimulus breweri (Greene) Coville Brewer's monkeyflowerMimulus clivicola Greenm. North Idaho monkeyflowerMimulus cusickii (Greene) Rattan Cusick's monkeyflowerMimulus dentatus Nutt. ex Benth. coastal monkeyflowerMimulus floribundus Lindl. manyflowered monkeyflowerMimulus guttatus DC. seep monkeyflowerMimulus lewisii Pursh purple monkeyflowerMimulus moschatus Dougl. ex Lindl. musk monkeyflowerMimulus moschatus var. longiflorus Gray muskflower


Mimulus moschatus var. moschatus Dougl. ex Lindl. muskflowerMimulus moschatus var. sessilifolius Gray muskflowerMimulus nanus Hook. & Arn. dwarf purple monkeyflowerMimulus nanus ssp. nanus Hook. & Arn. dwarf purple monkeyflowerMimulus primuloides Benth. primrose monkeyflowerMimulus primuloides var. primuloides Benth. primrose monkeyflowerMimulus pulsiferae Gray candelabrum monkeyflowerMimulus suksdorfii Gray Suksdorf's monkeyflowerMimulus tilingii Regel Tiling's monkeyflowerMimulus tilingii var. caespitosus (Greene) A.L. Grant subalpine monkeyflowerMimulus washingtonensis Gandog. Washington monkeyflowerMisopates orontium (L.) Raf. linearleaf snapdragonNothochelone nemorosa (Dougl. ex Lindl.) Straw woodland beardtongueNuttallanthus canadensis (L.) D.A. Sutton Canada toadflaxNuttallanthus texanus (Scheele) D.A. Sutton Texas toadflaxOrthocarpus barbatus Cotton Grand Coulee owlcloverOrthocarpus bracteosus Benth. rosy owlcloverOrthocarpus castillejoides var. castillejoides Benth. johnnynipOrthocarpus imbricatus Torr. ex S. Wats. mountain owlcloverOrthocarpus luteus Nutt. yellow owlcloverOrthocarpus purpurascens var. purpurascens Benth. red owlcloverOrthocarpus tenuifolius (Pursh) Benth. thinleaved owlcloverParentucellia viscosa (L.) Caruel

yellow glandweedPedicularis bracteosa Benth. bracted lousewortPedicularis bracteosa var. atrosanguinea (Pennell & J.W. Thompson) Cronq. bracted lousewortPedicularis bracteosa var. bracteosa Benth. bracted lousewortPedicularis bracteosa var. canbyi (Gray) Cronq. Canby's lousewortPedicularis bracteosa var. flavida (Pennell) Cronq. towering lousewortPedicularis bracteosa var. latifolia (Pennell) Cronq. widepetal lousewortPedicularis bracteosa var. pachyrhiza (Pennell) Cronq. towering lousewortPedicularis bracteosa var. siifolia (Rydb.) Cronq. smoothflower lousewortPedicularis contorta Benth. coiled lousewortPedicularis contorta var. contorta Benth. coiled lousewortPedicularis groenlandica Retz. elephanthead lousewortPedicularis groenlandica ssp. surrecta (Benth.) Piper Greenland lousewortPedicularis ornithorhyncha Benth. ducksbill lousewortPedicularis racemosa Dougl. ex Benth. sickletop lousewortPedicularis racemosa ssp. alba Pennell sickletop lousewortPedicularis racemosa ssp. racemosa Dougl. ex Benth. sickletop lousewortPedicularis rainierensis Pennell & Warren Mt. Rainier lousewortPenstemon acuminatus Dougl. ex Lindl. sharpleaf penstemonPenstemon acuminatus var. acuminatus Dougl. ex Lindl. sharpleaf penstemonPenstemon attenuatus Dougl. ex Lindl. sulphur penstemonPenstemon attenuatus var. attenuatus Dougl. ex Lindl. sulphur penstemonPenstemon barrettiae Gray


Barrett's beardtonguePenstemon cardwellii T.J. Howell Cardwell's beardtonguePenstemon confertus Dougl. ex Lindl. yellow penstemonPenstemon davidsonii Greene Davidson's penstemonPenstemon davidsonii var. davidsonii Greene Davidson's penstemonPenstemon davidsonii var. menziesii (Keck) Cronq. Menzies' penstemonPenstemon deustus Dougl. ex Lindl. scabland penstemonPenstemon deustus var. deustus Dougl. ex Lindl. hotrock beardtonguePenstemon deustus var. variabilis (Suksdorf) Cronq. hotrock beardtonguePenstemon diphyllus Rydb. twoleaf beardtonguePenstemon ellipticus Coult. & Fisher rocky ledge penstemonPenstemon eriantherus Pursh fuzzytongue penstemonPenstemon eriantherus var. eriantherus Pursh fuzzytongue penstemonPenstemon eriantherus var. whitedii (Piper) A. Nels. Whited's penstemonPenstemon euglaucus English glaucous beardtonguePenstemon fruticosus (Pursh) Greene bush penstemonPenstemon fruticosus var. fruticosus (Pursh) Greene shrubby penstemonPenstemon fruticosus var. scouleri (Lindl.) Cronq. littleleaf bush penstemonPenstemon fruticosus var. serratus (Keck) Cronq. sawleaf bush penstemonPenstemon gairdneri Hook. Gairdner's beardtonguePenstemon gairdneri var. gairdneri Hook. Gairdner's beardtonguePenstemon gairdneri var. oreganus Gray Gairdner's beardtonguePenstemon glandulosus Dougl. stickystem penstemon

Penstemon glandulosus var. chelanensis (Keck) Cronq. stickystem penstemonPenstemon glandulosus var. glandulosus Dougl. stickystem penstemonPenstemon humilis Nutt. ex Gray low penstemonPenstemon humilis ssp. humilis Nutt. ex Gray low beardtonguePenstemon ovatus Dougl. ex Hook. eggleaf beardtonguePenstemon pennellianus Keck Blue Mountain beardtonguePenstemon procerus Dougl. ex Graham littleflower penstemonPenstemon procerus var. procerus Dougl. ex Graham pincushion beardtonguePenstemon procerus var. tolmiei (Hook.) Cronq. Tolmie's penstemonPenstemon pruinosus Dougl. ex Lindl. Chilean beardtonguePenstemon richardsonii Dougl. ex Lindl. cutleaf beardtonguePenstemon richardsonii var. richardsonii Dougl. ex Lindl. Richardson's penstemonPenstemon rupicola (Piper) T.J. Howell cliff beardtonguePenstemon rydbergii A. Nels. Rydberg's penstemonPenstemon rydbergii var. rydbergii A. Nels. swollen penstemonPenstemon serrulatus Menzies ex Sm. serrulate penstemonPenstemon speciosus Dougl. ex Lindl. royal penstemonPenstemon subserratus Pennell finetooth beardtonguePenstemon triphyllus Dougl. ex Lindl. Riggin's penstemonPenstemon venustus Dougl. ex Lindl. Venus penstemonPenstemon washingtonensis Keck Washington beardtonguePenstemon wilcoxii Rydb. Wilcox's penstemonRhinanthus minor L.


little yellowrattleRhinanthus minor ssp. groenlandicus (Ostenf.) L. Neum. arctic rattleboxRhinanthus minor ssp. minor L. cockscomb rhinanthusScrophularia lanceolata Pursh lanceleaf figwortScrophularia oregana Pennell Oregon figwortSynthyris missurica (Raf.) Pennell tailed kittenstailsSynthyris missurica ssp. missurica (Raf.) Pennell tailed kittenstailsSynthyris missurica ssp. stellata (Pennell) Kartesz & Gandhi western mountain kittenstailsSynthyris pinnatifida S. Wats. featherleaf kittenstailsSynthyris pinnatifida var. lanuginosa (Piper) Cronq. featherleaf kittenstailsSynthyris reniformis (Dougl. ex Benth.) Benth. snowqueenSynthyris reniformis var. reniformis (Dougl. ex Benth.) Benth. snowqueenSynthyris schizantha Piper fringepetal kittenstailsTonella floribunda Gray manyflower tonellaTonella tenella (Benth.) Heller lesser baby innocenceTriphysaria eriantha (Benth.) Chuang & Heckard triphysariaTriphysaria eriantha ssp. eriantha (Benth.) Chuang & Heckard triphysariaTriphysaria pusilla (Benth.) Chuang & Heckard triphysariaVerbascum blattaria L. moth mulleinVerbascum thapsus L. common mulleinVeronica americana Schwein. ex Benth. American speedwellVeronica anagallis-aquatica L. water speedwellVeronica arvensis L. corn speedwell

Veronica biloba L. twolobe speedwellVeronica chamaedrys L. germander speedwellVeronica cusickii Gray Cusick's speedwellVeronica filiformis Sm. threadstalk speedwellVeronica hederifolia L. ivyleaf speedwellVeronica longifolia L. longleaf speedwellVeronica officinalis L. common gypsyweedVeronica officinalis var. officinalis L. common gypsyweedVeronica officinalis var. tournefortii (Vill.) Reichenb. common gypsyweedVeronica peregrina L. neckweedVeronica peregrina ssp. peregrina L. neckweedVeronica peregrina ssp. xalapensis (Kunth) Pennell hairy purslane speedwellVeronica persica Poir. birdeye speedwellVeronica scutellata L. skullcap speedwellVeronica serpyllifolia L. thymeleaf speedwellVeronica serpyllifolia ssp. humifusa (Dickson) Syme brightblue speedwellVeronica serpyllifolia ssp. serpyllifolia L. thymeleaf speedwellVeronica wormskjoldii Roemer & J.A. Schultes American alpine speedwell

SELAGINELLACEAESelaginella densa Rydb. lesser spikemossSelaginella densa var. scopulorum (Maxon) R. Tryon Rocky Mountain spikemossSelaginella douglasii (Hook. & Grev.) Spring Douglas' spikemoss


Selaginella oregana D.C. Eat. Oregon spikemossSelaginella wallacei Hieron. Wallace's spikemoss

SIMAROUBACEAEAilanthus altissima (P. Mill.) Swingle tree of heaven

SOLANACEAEAtropa bella-donna L. belladonnaDatura stramonium L. jimsonweedDatura tatula L. = Datura stramoniumHyoscyamus niger L. black henbaneLycium barbarum L. matrimonyvineNicotiana acuminata (Graham) Hook. manyflower tobaccoNicotiana acuminata var. multiflora (Phil.) Reiche manyflower tobaccoNicotiana attenuata Torr. ex S. Wats. coyote tobaccoPhysalis hispida (Waterfall) Cronq. prairie groundcherryPhysalis longifolia Nutt. longleaf groundcherryPhysalis longifolia var. subglabrata (Mackenzie & Bush) Cronq. longleaf groundcherryPhysalis philadelphica Lam. Mexican groundcherryPhysalis pruinosa L. strawberry tomatoSolanum americanum P. Mill. American black nightshadeSolanum dulcamara L. climbing nightshadeSolanum physalifolium Rusby hoe nightshadeSolanum ptychanthum Dunal nightshade

Solanum rostratum Dunal buffalobur nightshadeSolanum triflorum Nutt. cutleaf nightshadeSolanum tuberosum L. Irish potato

TAXACEAETaxus brevifolia Nutt. Pacific yew

THELYPTERIDACEAEPhegopteris connectilis (Michx.) Watt long beechfernThelypteris nevadensis (Baker) Clute ex Morton Sierran marsh fernThelypteris quelpaertensis (Christ) Ching queensveil maiden fern

TYPHACEAETypha latifolia L. broadleaf cattail

ULMACEAECeltis laevigata Willd. sugarberryCeltis laevigata var. reticulata (Torr.) L. Benson netleaf hackberry

UMBELLIFERAEAngelica arguta Nutt. Lyall's angelicaAngelica canbyi Coult. & Rose Canby's angelicaAngelica genuflexa Nutt. kneeling angelicaAngelica hendersonii Coult. & Rose beach angelicaAngelica lucida L. wild celeryAngelica tomentosa S. Wats. woolly angelica


Anthriscus caucalis Bieb. burr chervilApium prostratum Labill. prostrate marshwortBerula erecta (Huds.) Coville cutleaf waterparsnipCarum carvi L. carawayCicuta bulbifera L. bulblet bearing water hemlockCicuta douglasii (DC.) Coult. & Rose western water hemlockConioselinum gmelinii (Cham. & Schlecht.) Steud. Pacific hemlockparsleyConium maculatum L. poison hemlockCymopterus terebinthinus (Hook.) Torr. & Gray = Pteryxia terebinthina var. terebinthinaDaucus carota L. Queen Anne's laceDaucus pusillus Michx. American wild carrotEryngium articulatum Hook. beethistleEryngium petiolatum Hook. rushleaf eryngoFoeniculum vulgare P. Mill. sweet fennelGlehnia littoralis F. Schmidt ex Miq. American silvertopHeracleum lanatum Michx. = Heracleum maximumHeracleum maximum Bartr. common cowparsnipHeracleum sphondylium L. eltrot (??)Hydrocotyle ranunculoides L. f. floating marshpennywortLeptotaenia dissecta Nutt. = Lomatium dissectum var. dissectumLeptotaenia multifida Nutt. = Lomatium dissectum var. multifidumLigusticum apiifolium (Nutt. ex Torr. & Gray) Gray celeryleaf licoricerootLigusticum canbyi Coult. & Rose

Canby's licoricerootLigusticum grayi Coult. & Rose Gray's licoricerootLilaeopsis occidentalis Coult. & Rose western grasswortLomatium ambiguum (Nutt.) Coult. & Rose Wyeth biscuitrootLomatium bicolor (S. Wats.) Coult. & Rose Wasatch desertparsleyLomatium bicolor var. leptocarpum (Torr. & Gray) Schlessman Wasatch desertparsleyLomatium brandegei (Coult. & Rose) J.F. Macbr. Brandegee's desertparsleyLomatium canbyi (Coult. & Rose) Coult. & Rose Canby's biscuitrootLomatium columbianum Mathias & Constance purple leptotaeniaLomatium cous (S. Wats.) Coult. & Rose cous biscuitrootLomatium cuspidatum Mathias & Constance Wenatchee desertparsleyLomatium dissectum (Nutt.) Mathias & Constance lomatiumrootLomatium dissectum var. dissectum (Nutt.) Mathias & Constance lomatiumrootLomatium dissectum var. multifidum (Nutt.) Mathias & Constance lomatiumrootLomatium donnellii (Coult. & Rose) Coult. & Rose Donnell's biscuitrootLomatium farinosum (Hook.) Coult. & Rose northern biscuitrootLomatium farinosum var. farinosum (Hook.) Coult. & Rose northern biscuitrootLomatium farinosum var. hambleniae (Mathias & Constance) Schlessman Hamblen's biscuitrootLomatium geyeri (S. Wats.) Coult. & Rose Geyer's biscuitrootLomatium gormanii (T.J. Howell) Coult. & Rose Gorman's biscuitrootLomatium grayi (Coult. & Rose) Coult. & Rose Gray's biscuitrootLomatium grayi var. grayi (Coult. & Rose) Coult. & Rose Gray's biscuitrootLomatium hallii (S. Wats.) Coult. & Rose


Hall's biscuitrootLomatium laevigatum (Nutt.) Coult. & Rose Slickrock biscuitrootLomatium macrocarpum (Nutt. ex Torr. & Gray) Coult. & Rose bigseed biscuitrootLomatium martindalei (Coult. & Rose) Coult. & Rose cascade desertparsleyLomatium nudicaule (Pursh) Coult. & Rose barestem biscuitrootLomatium orientale Coult. & Rose Northern Idaho biscuitrootLomatium piperi Coult. & Rose Indian biscuitrootLomatium quintuplex Schlessman & Constance Umtanum desertparsleyLomatium rollinsii Mathias & Constance Rollins' biscuitrootLomatium salmoniflorum (Coult. & Rose) Mathias & Constance salmonflower biscuitrootLomatium serpentinum (M.E. Jones) Mathias sweetscented biscuitrootLomatium simplex (Nutt.) J.F. Macbr. narrowleaf lomatiumLomatium simplex var. leptophyllum (Hook.) Mathias narrowleaf lomatiumLomatium simplex var. simplex (Nutt.) J.F. Macbr. Great Basin desertparsleyLomatium suksdorfii (S. Wats.) Coult. & Rose Suksdorf's desertparsleyLomatium thompsonii (Mathias ) Cronq. Thompson's desertparsleyLomatium triternatum (Pursh) Coult. & Rose nineleaf biscuitrootLomatium triternatum var. anomalum (M.E. Jones ex Coult. & Rose) Mathias broadnineleaf biscuitrootLomatium triternatum var. brevifolium (Coult. & Rose) Mathias nineleaf biscuitrootLomatium triternatum var. macrocarpum (Coult. & Rose) Mathias nineleaf biscuitrootLomatium triternatum var. triternatum (Pursh) Coult. & Rose nineleaf biscuitrootLomatium tuberosum Hoover Hoover's desertparsleyLomatium utriculatum (Nutt. ex Torr. & Gray) Coult. & Rose

common lomatiumLomatium watsonii (Coult. & Rose) Coult. & Rose Watson's desertparsleyOenanthe sarmentosa K. Presl ex DC. water parselyOrogenia linearifolia S. Wats. Great Basin Indian potatoOsmorhiza berteroi DC. sweetcicelyOsmorhiza chilensis Hook. & Arn. = Osmorhiza berteroiOsmorhiza depauperata Phil. bluntseed sweetrootOsmorhiza occidentalis (Nutt. ex Torr. & Gray) Torr. western sweetrootOsmorhiza purpurea (Coult. & Rose) Suksdorf purple sweetrootPastinaca sativa L. wild parsnipPerideridia gairdneri (Hook. & Arn.) Mathias yampaPerideridia gairdneri ssp. borealis Chuang & Constance common yampahPerideridia gairdneri ssp. gairdneri (Hook. & Arn.) Mathias Gairdner's yampahPerideridia oregana (S. Wats.) Mathias squaw potatoPimpinella saxifraga L. solidstem burnet saxifragePimpinella saxifraga ssp. nigra (P. Mill.) Gaudin solidstem burnet saxifragePteryxia terebinthina (Hook.) Coult. & Rose smoothshore springparsleyPteryxia terebinthina var. foeniculacea (Nutt. ex Torr. & Gray) Mathias lesser lomatiumrootPteryxia terebinthina var. terebinthina (Hook.) Coult. & Rose lesser lomatiumrootSanicula arctopoides Hook. & Arn. footsteps of springSanicula bipinnatifida Dougl. ex Hook. purple sanicleSanicula crassicaulis Poepp. ex DC. Pacific blacksnakerootSanicula crassicaulis var. crassicaulis Poepp. ex DC. Pacific blacksnakeroot


Sanicula crassicaulis var. tripartita (Suksdorf) H. Wolff Pacific blacksnakerootSanicula graveolens Poepp. ex DC. northern sanicleSanicula marilandica L. Maryland sanicleScandix pecten-veneris L. shepherdsneedleSium suave Walt. hemlock waterparsnipTauschia hooveri Mathias & Constance Hoover's umbrellawortTauschia stricklandii (Coult. & Rose) Mathias & Constance Strickland's umbrellawortYabea microcarpa (Hook. & Arn.) K.-Pol. falsecarrotZizia aptera (Gray) Fern. meadow zizia

URTICACEAEParietaria pensylvanica Muhl. ex Willd. Pennsylvania pellitoryParietaria pensylvanica var. pensylvanica Muhl. ex Willd. Pennsylvania pellitoryUrtica dioica L. stinging nettleUrtica dioica ssp. gracilis (Ait.) Seland. California nettleUrtica dioica ssp. holosericea (Nutt.) Thorne stinging nettleUrtica gracilis Ait. = Urtica dioica ssp. gracilisUrtica holosericea Nutt. = Urtica dioica ssp. holosericeaUrtica lyallii S. Wats. = Urtica dioica ssp. gracilisUrtica urens L. dwarf nettle

VALERIANACEAEPlectritis ciliosa (Greene) Jepson longspur seablushPlectritis congesta (Lindl.) DC. shortspur seablush

Plectritis congesta ssp. brachystemon (Fisch. & C.A. Mey.) Morey shortspur seablushPlectritis congesta ssp. congesta (Lindl.) DC. shortspur seablushPlectritis macrocera Torr. & Gray longhorn plectritisPlectritis macrocera ssp. grayi (Suksdorf) Morey Gray's seablushPlectritis macrocera ssp. macrocera Torr. & Gray white seablushValeriana acutiloba Rydb. sharpleaf valerianValeriana acutiloba var. pubicarpa (Rydb.) Cronq. hairyfruit valerianValeriana columbiana Piper Wenatchee valerianValeriana dioica L. marsh valerianValeriana dioica var. sylvatica S. Wats. woods valerianValeriana edulis Nutt. ex Torr. & Gray edible valerianValeriana edulis var. edulis Nutt. ex Torr. & Gray tobacco rootValeriana officinalis L. garden valerianValeriana scouleri Rydb. Scouler's valerianValeriana sitchensis Bong. Sitka valerianValerianella carinata Loisel. European cornsaladValerianella locusta (L.) Lat. Lewiston cornsalad

VERBENACEAEVerbena X perriana Moldenke verbenaVerbena bracteata Lag. & Rodr. bigbract verbenaVerbena hastata L. swamp verbenaVerbena hastata var. scabra Moldenke swamp verbena


Verbena stricta Vent. hoary verbena

VIOLACEAEViola adunca Sm. hookedspur violetViola adunca var. adunca Sm. hookedspur violetViola affinis Le Conte sand violetViola arvensis Murr. field pansyViola bakeri Greene Baker's violetViola canadensis L. Canadian white violetViola canadensis var. rugulosa (Greene) C.L. Hitchc. creepingroot violetViola epipsila Ledeb. dwarf marsh violetViola epipsila ssp. repens Becker dwarf marsh violetViola flettii Piper Olympic violetViola glabella Nutt. pioneer violetViola howellii Gray Howell's violetViola lanceolata L. bog white violetViola lanceolata ssp. lanceolata L. bog white violetViola langsdorfii Fisch. ex Gingins Aleutian violetViola macloskeyi Lloyd small white violetViola macloskeyi ssp. macloskeyi Lloyd Macloskey's violetViola macloskeyi ssp. pallens (Banks ex DC.) M.S. Baker smooth white violetViola nephrophylla var. nephrophylla Greene northern bog violetViola orbiculata Geyer ex Holz. darkwoods violet

Viola palustris L. marsh violetViola palustris var. palustris L. marsh violetViola praemorsa Dougl. ex Lindl. canary violetViola praemorsa ssp. linguifolia (Nutt.) M.S. Baker & J.C. Clausen ex M.E. Peck upland yellow violetViola praemorsa ssp. praemorsa Dougl. ex Lindl. canary violetViola purpurea Kellogg goosefoot violetViola purpurea ssp. venosa (S. Wats.) M.S. Baker & J.C. Clausen goosefoot yellow violetViola sempervirens Greene evergreen violetViola sheltonii Torr. Shelton's violetViola sororia Willd. common blue violetViola trinervata (T.J. Howell) T.J. Howell ex Gray Rainier violetViola vallicola A. Nels. valley violetViola vallicola var. major (Hook.) Fabijan valley violetViola vallicola var. vallicola A. Nels. sagebrush violet

VISCACEAEArceuthobium abietinum Engelm. ex Munz fir dwarf mistletoeArceuthobium americanum Nutt. ex Engelm. American dwarf mistletoeArceuthobium campylopodum Engelm. western dwarf mistletoeArceuthobium douglasii Engelm. Douglas fir dwarf mistletoeArceuthobium laricis (Piper) St. John larch dwarf mistletoeArceuthobium tsugense (Rosendahl) G.N. Jones hemlock dwarf mistletoe


VITACEAEVitis vinifera L. domestic grape

ZANNICHELLIACEAEZannichellia palustris L. horned pondweed

ZOSTERACEAEPhyllospadix scouleri Hook. Scouler's surfgrassPhyllospadix serrulatus Rupr. ex Aschers. toothed surfgrassPhyllospadix torreyi S. Wats. Torrey's surfgrassZostera japonica Aschers. & Graebn. dwarf eelgrassZostera marina L. seawrackZostera marina var. latifolia Morong seawrack

ZYGOPHYLLACEAEPeganum harmala L. Syrian rueTribulus terrestris L. puncturevineZygophyllum fabago L. Syrian beancaper

checklist of the vascular plants of washingtonlonicera caerulea var. cauriana (fern.) boivin bluefly...

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