Gallatin County

Montana

FIPS: 30031
Taxa recorded: 1,362
Of which native: 1,086
Introduced: 254

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Showing 1362 of 1,362.

Abies lasiocarpa (Hook.) Nutt. Native ABLA

subalpine fir · Pinaceae
Abies lasiocarpa (Hook.) Nutt. var. lasiocarpa Native ABLAL

subalpine fir · Pinaceae
Acer glabrum Torr. Native ACGL

Rocky Mountain maple · Aceraceae
Acer grandidentatum Nutt. Native ACGR3

bigtooth maple · Aceraceae
Acer negundo L. Native ACNE2

boxelder · Aceraceae
Acer platanoides L. Introduced ACPL

Norway maple · Aceraceae
Achillea millefolium L. Both ACMI2

common yarrow · Asteraceae
Achillea sibirica Ledeb. Native ACSI

Siberian yarrow · Asteraceae
Aconitum columbianum Nutt. Native ACCO4

Columbian monkshood · Ranunculaceae
Aconitum columbianum Nutt. ssp. columbianum Native ACCOC3

Columbian monkshood · Ranunculaceae
Acroptilon repens (L.) DC. Introduced ACRE3

hardheads · Asteraceae
Actaea rubra (Aiton) Willd. Native ACRU2

red baneberry · Ranunculaceae
Agastache foeniculum (Pursh) Kuntze Native AGFO

blue giant hyssop · Lamiaceae
Agastache urticifolia (Benth.) Kuntze Native AGUR

nettleleaf giant hyssop · Lamiaceae
Agastache urticifolia (Benth.) Kuntze var. urticifolia Native AGURU

nettleleaf giant hyssop · Lamiaceae
Agoseris aurantiaca (Hook.) Greene Native AGAU2

orange agoseris · Asteraceae
Agoseris glauca (Pursh) Raf. Native AGGL

pale agoseris · Asteraceae
Agrostemma githago L. Introduced AGGI

common corncockle · Caryophyllaceae
Agrostis stolonifera L. Introduced AGST2

creeping bentgrass · Poaceae
Alisma gramineum Lej. Native ALGR

narrowleaf water plantain · Alismataceae
Allium acuminatum Hook. Native ALAC4

tapertip onion · Liliaceae
Allium brevistylum S. Watson Native ALBR2

shortstyle onion · Liliaceae
Allium cernuum Roth Native ALCE2

nodding onion · Liliaceae
Allium geyeri S. Watson Native ALGE

Geyer's onion · Liliaceae
Allium geyeri S. Watson var. tenerum M.E. Jones Native ALGET

bulbil onion · Liliaceae
Allium schoenoprasum L. Both ALSC

wild chives · Liliaceae
Allium schoenoprasum L. var. sibiricum (L.) Hartm. Native ALSCS

wild chives · Liliaceae
Allium simillimum L.F. Hend. Native ALSI

simil onion · Liliaceae
Allium textile A. Nelson & J.F. Macbr. Native ALTE

textile onion · Liliaceae
Alnus incana (L.) Moench Native ALIN2

gray alder · Betulaceae
Alnus incana (L.) Moench ssp. tenuifolia (Nutt.) Breitung Native ALINT

thinleaf alder · Betulaceae
Alnus viridis (Chaix) DC. Native ALVI5

green alder · Betulaceae
Alnus viridis (Chaix) DC. ssp. sinuata (Regel) Á. Löve & D. Löve Native ALVIS

Sitka alder · Betulaceae
Alopecurus pratensis L. Introduced ALPR3

meadow foxtail · Poaceae
Alyssum alyssoides (L.) L. Introduced ALAL3

pale madwort · Brassicaceae
Alyssum desertorum Stapf Introduced ALDE

desert madwort · Brassicaceae
Alyssum desertorum Stapf var. desertorum Introduced ALDED

desert madwort · Brassicaceae
Amaranthus albus L. Introduced AMAL

prostrate pigweed · Amaranthaceae
Amaranthus blitoides S. Watson Introduced AMBL

mat amaranth · Amaranthaceae
Amaranthus californicus (Moq.) S. Watson Native AMCA

California amaranth · Amaranthaceae
Amaranthus hybridus L. Native AMHY

slim amaranth · Amaranthaceae
Amaranthus retroflexus L. Native AMRE

redroot amaranth · Amaranthaceae
Ambrosia acanthicarpa Hook. Native AMAC2

flatspine bur ragweed · Asteraceae
Amelanchier alnifolia (Nutt.) Nutt. ex M. Roem. Native AMAL2

Saskatoon serviceberry · Rosaceae
Amelanchier utahensis Koehne Native AMUT

Utah serviceberry · Rosaceae
Amelanchier utahensis Koehne var. utahensis Native AMUTU

Utah serviceberry · Rosaceae
Amsinckia menziesii (Lehm.) A. Nelson & J.F. Macbr. Native AMME

Menzies' fiddleneck · Boraginaceae
Amsinckia menziesii (Lehm.) A. Nelson & J.F. Macbr. var. intermedia (Fisch. & C.A. Mey.) Ganders Native AMMEI2

common fiddleneck · Boraginaceae
Anagallis arvensis L. Introduced ANAR

scarlet pimpernel · Primulaceae
Anagallis arvensis L. ssp. arvensis Introduced ANARA7

scarlet pimpernel · Primulaceae
Anaphalis margaritacea (L.) Benth. Native ANMA

western pearly everlasting · Asteraceae
Androsace filiformis Retz. Native ANFI

filiform rockjasmine · Primulaceae
Androsace occidentalis Pursh Native ANOC2

western rockjasmine · Primulaceae
Androsace septentrionalis L. Native ANSE4

pygmyflower rockjasmine · Primulaceae
Anemone cylindrica A. Gray Native ANCY

candle anemone · Ranunculaceae
Anemone multifida Poir. Native ANMU

Pacific anemone · Ranunculaceae
Anethum graveolens L. Introduced ANGR2

dill · Apiaceae
Angelica arguta Nutt. Native ANAR3

Lyall's angelica · Apiaceae
Angelica roseana L.F. Hend. Native ANRO

rose angelica · Apiaceae
Antennaria alpina (L.) Gaertn. Native ANAL4

alpine pussytoes · Asteraceae
Antennaria corymbosa E.E. Nelson Native ANCO

flat-top pussytoes · Asteraceae
Antennaria dimorpha (Nutt.) Torr. & A. Gray Native ANDI2

low pussytoes · Asteraceae
Antennaria lanata (Hook.) Greene Native ANLA3

woolly pussytoes · Asteraceae
Antennaria parvifolia Nutt. Native ANPA4

small-leaf pussytoes · Asteraceae
Antennaria pulcherrima (Hook.) Greene Native ANPU

showy pussytoes · Asteraceae
Antennaria pulcherrima (Hook.) Greene ssp. pulcherrima Native ANPUP

handsome pussy-toes · Asteraceae
Antennaria racemosa Hook. Native ANRA

raceme pussytoes · Asteraceae
Antennaria rosea Greene Native ANRO2

rosy pussytoes · Asteraceae
Antennaria umbrinella Rydb. Native ANUM

umber pussytoes · Asteraceae
Anthemis cotula L. Introduced ANCO2

stinking chamomile · Asteraceae
Anthemis tinctoria L. Introduced ANTI

golden chamomile · Asteraceae
Apocynum androsaemifolium L. Native APAN2

spreading dogbane · Apocynaceae
Aquilegia coerulea James Native AQCO

Colorado blue columbine · Ranunculaceae
Aquilegia flavescens S. Watson Native AQFL

yellow columbine · Ranunculaceae
Aquilegia flavescens S. Watson var. miniata A. Nelson & J.F. Macbr. Native AQFLM

yellow columbine · Ranunculaceae
Aquilegia jonesii Parry Native AQJO

Jones' columbine · Ranunculaceae
Arabidopsis thaliana (L.) Heynh. Introduced ARTH

mouseear cress · Brassicaceae
Arabis drummondii A. Gray Native ARDR

Drummond's rockcress · Brassicaceae
Arabis fructicosa A. Nelson Native ARFR5

fruit rockcress · Brassicaceae
Arabis glabra (L.) Bernh. Native ARGL

tower rockcress · Brassicaceae
Arabis hirsuta (L.) Scop. Native ARHI

hairy rockcress · Brassicaceae
Arabis hirsuta (L.) Scop. var. pycnocarpa (M. Hopkins) Rollins Native ARHIP

creamflower rockcress · Brassicaceae
Arabis holboellii Hornem. Native ARHO2

Holboell's rockcress · Brassicaceae
Arabis lemmonii S. Watson Native ARLE

Lemmon's rockcress · Brassicaceae
Arabis lyallii S. Watson Native ARLY

Lyall's rockcress · Brassicaceae
Arabis lyallii S. Watson var. lyallii Native ARLYL

Lyall's rockcress · Brassicaceae
Arabis microphylla Nutt. Native ARMI

littleleaf rockcress · Brassicaceae
Arabis nuttallii B.L. Rob. Native ARNU

Nuttall's rockcress · Brassicaceae
Arabis ×divaricarpa A. Nelson (pro sp.) [drummondii × holboellii] Native ARDI2

spreadingpod rockcress · Brassicaceae
Aralia nudicaulis L. Native ARNU2

wild sarsaparilla · Araliaceae
Arceuthobium americanum Nutt. ex Engelm. Native ARAM

American dwarf mistletoe · Viscaceae
Arceuthobium campylopodum Engelm. Native ARCA3

western dwarf mistletoe · Viscaceae
Arctium lappa L. Introduced ARLA3

greater burdock · Asteraceae
Arctium minus Bernh. Introduced ARMI2

lesser burdock · Asteraceae
Arctostaphylos uva-ursi (L.) Spreng. Native ARUV

kinnikinnick · Ericaceae
Arenaria congesta Nutt. Native ARCO5

ballhead sandwort · Caryophyllaceae
Arenaria hookeri Nutt. Native ARHO4

Hooker's sandwort · Caryophyllaceae
Arenaria hookeri Nutt. ssp. hookeri Native ARHOH3

Hooker's sandwort · Caryophyllaceae
Arenaria serpyllifolia L. Introduced ARSE2

thymeleaf sandwort · Caryophyllaceae
Argentina anserina (L.) Rydb. Native ARAN7

silverweed cinquefoil · Rosaceae
Armoracia rusticana G. Gaertn., B. Mey. & Scherb. Introduced ARRU4

horseradish · Brassicaceae
Arnica chamissonis Less. Native ARCH3

Chamisso arnica · Asteraceae
Arnica cordifolia Hook. Native ARCO9

heartleaf arnica · Asteraceae
Arnica latifolia Bong. Native ARLA8

broadleaf arnica · Asteraceae
Arnica longifolia D.C. Eaton Native ARLO6

spearleaf arnica · Asteraceae
Arnica mollis Hook. Native ARMO4

hairy arnica · Asteraceae
Arnica rydbergii Greene Native ARRY

Rydberg's arnica · Asteraceae
Arnica sororia Greene Native ARSO2

twin arnica · Asteraceae
Arrhenatherum elatius (L.) P. Beauv. ex J. Presl & C. Presl Introduced AREL3

tall oatgrass · Poaceae
Arrhenatherum elatius (L.) P. Beauv. ex J. Presl & C. Presl var. elatius Introduced ARELE

tall oatgrass · Poaceae
Artemisia absinthium L. Introduced ARAB3

absinthium · Asteraceae
Artemisia arbuscula Nutt. Native ARAR8

little sagebrush · Asteraceae
Artemisia biennis Willd. Both ARBI2

biennial wormwood · Asteraceae
Artemisia biennis Willd. var. biennis Introduced ARBIB

biennial wormwood · Asteraceae
Artemisia campestris L. Native ARCA12

field sagewort · Asteraceae
Artemisia cana Pursh Native ARCA13

silver sagebrush · Asteraceae
Artemisia dracunculus L. Native ARDR4

tarragon · Asteraceae
Artemisia frigida Willd. Native ARFR4

prairie sagewort · Asteraceae
Artemisia ludoviciana Nutt. Both ARLU

white sagebrush · Asteraceae
Artemisia michauxiana Besser Native ARMI4

Michaux's wormwood · Asteraceae
Artemisia pedatifida Nutt. Native ARPE6

birdfoot sagebrush · Asteraceae
Artemisia scopulorum A. Gray Native ARSC

alpine sagebrush · Asteraceae
Artemisia tridentata Nutt. Native ARTR2

big sagebrush · Asteraceae
Asclepias speciosa Torr. Native ASSP

showy milkweed · Asclepiadaceae
Asclepias syriaca L. Native ASSY

common milkweed · Asclepiadaceae
Asclepias viridiflora Raf. Native ASVI

green comet milkweed · Asclepiadaceae
Asparagus officinalis L. Introduced ASOF

garden asparagus · Liliaceae
Asperugo procumbens L. Introduced ASPR

German-madwort · Boraginaceae
Astragalus agrestis Douglas ex G. Don Native ASAG2

purple milkvetch · Fabaceae
Astragalus alpinus L. Native ASAL7

alpine milkvetch · Fabaceae
Astragalus alpinus L. var. alpinus Native ASALA4

alpine milkvetch · Fabaceae
Astragalus americanus (Hook.) M.E. Jones Native ASAM3

American milkvetch · Fabaceae
Astragalus argophyllus Nutt. Native ASAR4

silverleaf milkvetch · Fabaceae
Astragalus australis (L.) Lam. Native ASAU4

Indian milkvetch · Fabaceae
Astragalus bisulcatus (Hook.) A. Gray Native ASBI2

twogrooved milkvetch · Fabaceae
Astragalus bisulcatus (Hook.) A. Gray var. bisulcatus Native ASBIB

twogrooved milkvetch · Fabaceae
Astragalus bourgovii A. Gray Native ASBO3

Bourgov's milkvetch · Fabaceae
Astragalus canadensis L. Native ASCA11

Canadian milkvetch · Fabaceae
Astragalus cibarius Sheldon Native ASCI2

browse milkvetch · Fabaceae
Astragalus cicer L. Introduced ASCI4

chickpea milkvetch · Fabaceae
Astragalus crassicarpus Nutt. Native ASCR2

groundplum milkvetch · Fabaceae
Astragalus drummondii Douglas ex Hook. Native ASDR3

Drummond's milkvetch · Fabaceae
Astragalus eucosmus B.L. Rob. Native ASEU2

elegant milkvetch · Fabaceae
Astragalus falcatus Lam. Introduced ASFA3

Russian milkvetch · Fabaceae
Astragalus gilviflorus Sheldon Native ASGI5

plains milkvetch · Fabaceae
Astragalus gilviflorus Sheldon var. gilviflorus Native ASGIG

plains milkvetch · Fabaceae
Astragalus gracilis Nutt. Native ASGR3

slender milkvetch · Fabaceae
Astragalus inflexus Douglas ex Hook. Native ASIN5

bent milkvetch · Fabaceae
Astragalus kentrophyta A. Gray Native ASKE

spiny milkvetch · Fabaceae
Astragalus kentrophyta A. Gray var. tegetarius (S. Watson) Dorn Native ASKET

mat milkvetch · Fabaceae
Astragalus laxmannii Jacq. Native ASLA27

Laxmann's milkvetch · Fabaceae
Astragalus laxmannii Jacq. var. robustior (Hook.) Barneby & S.L. Welsh Native ASLAR

prairie milkvetch · Fabaceae
Astragalus microcystis A. Gray Native ASMI4

dwarf milkvetch · Fabaceae
Astragalus miser Douglas ex Hook. Native ASMI9

timber milkvetch · Fabaceae
Astragalus missouriensis Nutt. Native ASMI10

Missouri milkvetch · Fabaceae
Astragalus missouriensis Nutt. var. missouriensis Native ASMIM5

Missouri milkvetch · Fabaceae
Astragalus purshii Douglas ex Hook. Native ASPU9

woollypod milkvetch · Fabaceae
Astragalus robbinsii (Oakes) A. Gray Native ASRO

Robbins' milkvetch · Fabaceae
Astragalus robbinsii (Oakes) A. Gray var. minor (Hook.) Barneby Native ASROM

Robbins' milkvetch · Fabaceae
Astragalus tenellus Pursh Native ASTE5

looseflower milkvetch · Fabaceae
Astragalus vexilliflexus Sheldon Native ASVE5

bentflower milkvetch · Fabaceae
Astragalus vexilliflexus Sheldon var. vexilliflexus Native ASVEV2

bentflower milkvetch · Fabaceae
Atriplex argentea Nutt. Native ATAR2

silverscale saltbush · Chenopodiaceae
Atriplex argentea Nutt. ssp. argentea Native ATARA

silverscale saltbush · Chenopodiaceae
Atriplex argentea Nutt. ssp. argentea var. argentea Native ATARA2

silverscale saltbush · Chenopodiaceae
Atriplex gardneri (Moq.) D. Dietr. Native ATGA

Gardner's saltbush · Chenopodiaceae
Atriplex hortensis L. Introduced ATHO

garden orache · Chenopodiaceae
Atriplex patula L. Introduced ATPA4

spear saltbush · Chenopodiaceae
Atriplex rosea L. Introduced ATRO

tumbling saltweed · Chenopodiaceae
Avena fatua L. Introduced AVFA

wild oat · Poaceae
Avena sativa L. Introduced AVSA

common oat · Poaceae
Balsamorhiza incana Nutt. Native BAIN

hoary balsamroot · Asteraceae
Balsamorhiza macrophylla Nutt. Native BAMA4

cutleaf balsamroot · Asteraceae
Balsamorhiza sagittata (Pursh) Nutt. Native BASA3

arrowleaf balsamroot · Asteraceae
Barbarea orthoceras Ledeb. Native BAOR

American yellowrocket · Brassicaceae
Bassia scoparia (L.) A.J. Scott Introduced BASC5

burningbush · Chenopodiaceae
Bellis perennis L. Introduced BEPE2

lawndaisy · Asteraceae
Berteroa incana (L.) DC. Introduced BEIN2

hoary alyssum · Brassicaceae
Berula erecta (Huds.) Coville Native BEER

cutleaf waterparsnip · Apiaceae
Besseya rubra (Douglas ex Hook.) Rydb. Native BERU

red besseya · Scrophulariaceae
Besseya wyomingensis (A. Nelson) Rydb. Native BEWY

Wyoming besseya · Scrophulariaceae
Beta vulgaris L. Introduced BEVU2

common beet · Chenopodiaceae
Betula nana L. Native BENA

dwarf birch · Betulaceae
Betula occidentalis Hook. Native BEOC2

water birch · Betulaceae
Bidens cernua L. Native BICE

nodding beggartick · Asteraceae
Bolboschoenus fluviatilis (Torr.) Soják Native BOFL3

river bulrush · Cyperaceae
Brassica nigra (L.) W.D.J. Koch Introduced BRNI

black mustard · Brassicaceae
Brassica rapa L. Introduced BRRA

field mustard · Brassicaceae
Brassica rapa L. var. rapa Introduced BRRAR

field mustard · Brassicaceae
Bromus arvensis L. Introduced BRAR5

field brome · Poaceae
Bromus briziformis Fisch. & C.A. Mey. Introduced BRBR5

rattlesnake brome · Poaceae
Bromus hordeaceus L. Introduced BRHO2

soft brome · Poaceae
Bromus hordeaceus L. ssp. hordeaceus Introduced BRHOH

soft brome · Poaceae
Bromus secalinus L. Introduced BRSE

rye brome · Poaceae
Bromus secalinus L. var. secalinus Introduced BRSES

rye brome · Poaceae
Bromus tectorum L. Introduced BRTE

cheatgrass · Poaceae
Buglossoides arvensis (L.) I.M. Johnst. Introduced BUAR3

corn gromwell · Boraginaceae
Bupleurum americanum J.M. Coult. & Rose Native BUAM2

American thorow wax · Apiaceae
Callitriche hermaphroditica L. Native CAHE2

northern water-starwort · Callitrichaceae
Callitriche palustris L. Native CAPA52

vernal water-starwort · Callitrichaceae
Caltha leptosepala DC. Native CALE4

white marsh marigold · Ranunculaceae
Calypso bulbosa (L.) Oakes Native CABU

fairy slipper · Orchidaceae
Calypso bulbosa (L.) Oakes var. americana (R. Br.) Luer Native CABUA

fairy slipper · Orchidaceae
Calystegia sepium (L.) R. Br. Both CASE13

hedge false bindweed · Convolvulaceae
Calystegia sepium (L.) R. Br. ssp. angulata Brummitt Native CASEA3

hedge false bindweed · Convolvulaceae
Camassia quamash (Pursh) Greene Native CAQU2

small camas · Liliaceae
Camelina microcarpa Andrz. ex DC. Introduced CAMI2

littlepod false flax · Brassicaceae
Camelina sativa (L.) Crantz Introduced CASA2

false flax · Brassicaceae
Camelina sativa (L.) Crantz ssp. sativa Introduced CASAS2

gold-of-pleasure · Brassicaceae
Camissonia breviflora (Torr. & A. Gray) P.H. Raven Native CABR22

fewflower evening primrose · Onagraceae
Camissonia subacaulis (Pursh) P.H. Raven Native CASU18

diffuseflower evening primrose · Onagraceae
Campanula glomerata L. Introduced CAGL2

Dane's blood · Campanulaceae
Campanula parryi A. Gray Native CAPA10

Parry's bellflower · Campanulaceae
Campanula parryi A. Gray var. idahoensis McVaugh Native CAPAI2

Idaho bellflower · Campanulaceae
Campanula rapunculoides L. Introduced CARA

rampion bellflower · Campanulaceae
Campanula rotundifolia L. Native CARO2

bluebell bellflower · Campanulaceae
Canadanthus modestus (Lindl.) G.L. Nesom Native CAMO32

giant mountain aster · Asteraceae
Cannabis sativa L. Introduced CASA3

marijuana · Cannabaceae
Cannabis sativa L. ssp. sativa Introduced CASAS3

marijuana · Cannabaceae
Cannabis sativa L. ssp. sativa var. sativa Introduced CASAS9

marijuana · Cannabaceae
Capsella bursa-pastoris (L.) Medik. Introduced CABU2

shepherd's purse · Brassicaceae
Caragana arborescens Lam. Introduced CAAR18

Siberian peashrub · Fabaceae
Cardamine breweri S. Watson Native CABR6

Brewer's bittercress · Brassicaceae
Cardamine oligosperma Nutt. Native CAOL

little western bittercress · Brassicaceae
Cardamine pensylvanica Muhl. ex Willd. Native CAPE3

Pennsylvania bittercress · Brassicaceae
Cardaria chalepensis (L.) Hand.-Maz. Introduced CACH42

lenspod whitetop · Brassicaceae
Cardaria draba (L.) Desv. Introduced CADR

whitetop · Brassicaceae
Cardaria pubescens (C.A. Mey.) Jarmolenko Introduced CAPU6

hairy whitetop · Brassicaceae
Carduus acanthoides L. Introduced CAAC

spiny plumeless thistle · Asteraceae
Carduus nutans L. Introduced CANU4

nodding plumeless thistle · Asteraceae
Carex aquatilis Wahlenb. Native CAAQ

water sedge · Cyperaceae
Carex aquatilis Wahlenb. var. aquatilis Native CAAQA

water sedge · Cyperaceae
Carex atherodes Spreng. Native CAAT2

wheat sedge · Cyperaceae
Carex athrostachya Olney Native CAAT3

slenderbeak sedge · Cyperaceae
Carex aurea Nutt. Native CAAU3

golden sedge · Cyperaceae
Carex canescens L. Native CACA11

silvery sedge · Cyperaceae
Carex canescens L. ssp. canescens Native CACAC6

silvery sedge · Cyperaceae
Carex capillaris L. Native CACA12

hair-like sedge · Cyperaceae
Carex concinna R. Br. Native CACO10

low northern sedge · Cyperaceae
Carex diandra Schrank Native CADI4

lesser panicled sedge · Cyperaceae
Carex disperma Dewey Native CADI6

softleaf sedge · Cyperaceae
Carex douglasii Boott Native CADO2

Douglas' sedge · Cyperaceae
Carex duriuscula C.A. Mey. Native CADU6

needleleaf sedge · Cyperaceae
Carex echinata Murray Native CAEC

star sedge · Cyperaceae
Carex echinata Murray ssp. echinata Native CAECE

star sedge · Cyperaceae
Carex filifolia Nutt. Native CAFI

threadleaf sedge · Cyperaceae
Carex geyeri Boott Native CAGE2

Geyer's sedge · Cyperaceae
Carex gynocrates Wormsk. ex Drejer Native CAGY2

northern bog sedge · Cyperaceae
Carex hoodii Boott Native CAHO5

Hood's sedge · Cyperaceae
Carex lasiocarpa Ehrh. Native CALA11

woollyfruit sedge · Cyperaceae
Carex lasiocarpa Ehrh. var. americana Fernald Native CALAA

American woollyfruit sedge · Cyperaceae
Carex lenticularis Michx. Native CALE8

lakeshore sedge · Cyperaceae
Carex lenticularis Michx. var. lipocarpa (T. Holm) L.A. Standl. Native CALEL3

Kellogg's sedge · Cyperaceae
Carex mertensii Prescott ex Bong. Native CAME6

Mertens' sedge · Cyperaceae
Carex microptera Mack. Native CAMI7

smallwing sedge · Cyperaceae
Carex nebrascensis Dewey Native CANE2

Nebraska sedge · Cyperaceae
Carex nigricans C.A. Mey. Native CANI2

black alpine sedge · Cyperaceae
Carex pellita Muhl. ex Willd. Native CAPE42

woolly sedge · Cyperaceae
Carex petasata Dewey Native CAPE7

Liddon sedge · Cyperaceae
Carex praegracilis W. Boott Native CAPR5

clustered field sedge · Cyperaceae
Carex praticola Rydb. Native CAPR7

meadow sedge · Cyperaceae
Carex pyrenaica Wahlenb. Native CAPY3

Pyrenean sedge · Cyperaceae
Carex pyrenaica Wahlenb. ssp. pyrenaica Native CAPYP

Pyrenean sedge · Cyperaceae
Carex raynoldsii Dewey Native CARA6

Raynolds' sedge · Cyperaceae
Carex rossii Boott Native CARO5

Ross' sedge · Cyperaceae
Carex rostrata Stokes Native CARO6

beaked sedge · Cyperaceae
Carex scirpoidea Michx. Native CASC10

northern singlespike sedge · Cyperaceae
Carex spectabilis Dewey Native CASP5

showy sedge · Cyperaceae
Carex sprengelii Dewey ex Spreng. Native CASP7

Sprengel's sedge · Cyperaceae
Carex stenoptila F.J. Herm. Native CAST4

riverbank sedge · Cyperaceae
Carex sterilis Willd. Native CAST16

dioecious sedge · Cyperaceae
Carex stipata Muhl. ex Willd. Native CAST5

awlfruit sedge · Cyperaceae
Carex stipata Muhl. ex Willd. var. stipata Native CASTS3

owlfruit sedge · Cyperaceae
Carex straminiformis L.H. Bailey Native CAST7

Shasta sedge · Cyperaceae
Carum carvi L. Introduced CACA19

caraway · Apiaceae
Cassiope mertensiana (Bong.) G. Don Native CAME7

western moss heather · Ericaceae
Cassiope mertensiana (Bong.) G. Don var. gracilis (Piper) C.L. Hitchc. Native CAMEG

western moss heather · Ericaceae
Castilleja flava S. Watson Native CAFL7

yellow Indian paintbrush · Scrophulariaceae
Castilleja flava S. Watson var. rustica (Piper) N.H. Holmgren Native CAFLR

country Indian paintbrush · Scrophulariaceae
Castilleja hispida Benth. Native CAHI9

harsh Indian paintbrush · Scrophulariaceae
Castilleja lutescens (Greenm.) Rydb. Native CALU14

stiff yellow Indian paintbrush · Scrophulariaceae
Castilleja miniata Douglas ex Hook. Native CAMI12

giant red Indian paintbrush · Scrophulariaceae
Castilleja miniata Douglas ex Hook. ssp. miniata Native CAMIM5

giant red Indian paintbrush · Scrophulariaceae
Castilleja minor (A. Gray) A. Gray Native CAMI13

lesser Indian paintbrush · Scrophulariaceae
Castilleja minor (A. Gray) A. Gray ssp. minor Native CAMIM6

lesser Indian paintbrush · Scrophulariaceae
Castilleja pallescens (A. Gray) Greenm. Native CAPA25

pale Indian paintbrush · Scrophulariaceae
Castilleja pallescens (A. Gray) Greenm. var. pallescens Native CAPAP7

pale Indian paintbrush · Scrophulariaceae
Castilleja pulchella Rydb. Native CAPU10

beautiful Indian paintbrush · Scrophulariaceae
Castilleja rhexiifolia Rydb. Native CARH4

splitleaf Indian paintbrush · Scrophulariaceae
Castilleja sessiliflora Pursh Native CASE5

downy paintedcup · Scrophulariaceae
Ceanothus velutinus Douglas ex Hook. Native CEVE

snowbrush ceanothus · Rhamnaceae
Ceanothus velutinus Douglas ex Hook. var. velutinus Native CEVEV4

snowbrush ceanothus · Rhamnaceae
Centaurea diffusa Lam. Introduced CEDI3

diffuse knapweed · Asteraceae
Centaurea jacea L. Introduced CEJA

brownray knapweed · Asteraceae
Centaurea montana L. Introduced CEMO

perennial cornflower · Asteraceae
Centaurea solstitialis L. Introduced CESO3

yellow star-thistle · Asteraceae
Centaurea stoebe L. Introduced CEST8

spotted knapweed · Asteraceae
Centaurea stoebe L. ssp. micranthos (Gugler) Hayek Introduced CESTM

spotted knapweed · Asteraceae
Cerastium arvense L. Both CEAR4

field chickweed · Caryophyllaceae
Cerastium arvense L. ssp. strictum (L.) Ugborogho Native CEARS2

field chickweed · Caryophyllaceae
Cerastium beeringianum Cham. & Schltdl. Native CEBE2

Bering chickweed · Caryophyllaceae
Cerastium beeringianum Cham. & Schltdl. ssp. earlei (Rydb.) Hultén Native CEBEE

Bering chickweed · Caryophyllaceae
Cerastium fontanum Baumg. Introduced CEFO2

common mouse-ear chickweed · Caryophyllaceae
Cerastium fontanum Baumg. ssp. vulgare (Hartm.) Greuter & Burdet Introduced CEFOV2

big chickweed · Caryophyllaceae
Cerastium nutans Raf. Native CENU2

nodding chickweed · Caryophyllaceae
Cerastium nutans Raf. var. nutans Native CENUN

nodding chickweed · Caryophyllaceae
Ceratocephala testiculata (Crantz) Roth Introduced CETE5

curveseed butterwort · Ranunculaceae
Cercocarpus ledifolius Nutt. Native CELE3

curl-leaf mountain mahogany · Rosaceae
Chaenactis douglasii (Hook.) Hook. & Arn. Native CHDO

Douglas' dustymaiden · Asteraceae
Chamaesyce serpens (Kunth) Small Native CHSE4

matted sandmat · Euphorbiaceae
Chamerion angustifolium (L.) Holub Native CHAN9

fireweed · Onagraceae
Chamerion angustifolium (L.) Holub ssp. angustifolium Native CHANA2

fireweed · Onagraceae
Chenopodium album L. Both CHAL7

lambsquarters · Chenopodiaceae
Chenopodium album L. var. album Introduced CHALA

lambsquarters · Chenopodiaceae
Chenopodium capitatum (L.) Asch. Native CHCA4

blite goosefoot · Chenopodiaceae
Chenopodium glaucum L. Introduced CHGL3

oakleaf goosefoot · Chenopodiaceae
Chenopodium simplex (Torr.) Raf. Native CHSI2

mapleleaf goosefoot · Chenopodiaceae
Chimaphila umbellata (L.) W.P.C. Barton Native CHUM

pipsissewa · Pyrolaceae
Chimaphila umbellata (L.) W.P.C. Barton ssp. occidentalis (Rydb.) Hultén Native CHUMO2

pipsissewa · Pyrolaceae
Chorispora tenella (Pall.) DC. Introduced CHTE2

crossflower · Brassicaceae
Chrysothamnus viscidiflorus (Hook.) Nutt. Native CHVI8

yellow rabbitbrush · Asteraceae
Cichorium intybus L. Introduced CIIN

chicory · Asteraceae
Cicuta douglasii (DC.) J.M. Coult. & Rose Native CIDO

western water hemlock · Apiaceae
Circaea alpina L. Native CIAL

small enchanter's nightshade · Onagraceae
Cirsium arvense (L.) Scop. Introduced CIAR4

Canada thistle · Asteraceae
Cirsium canovirens (Rydb.) Petr. Native CICA6

graygreen thistle · Asteraceae
Cirsium eatonii (A. Gray) B.L. Rob. Native CIEA

Eaton's thistle · Asteraceae
Cirsium foliosum (Hook.) DC. Native CIFO

elk thistle · Asteraceae
Cirsium hookerianum Nutt. Native CIHO

white thistle · Asteraceae
Cirsium undulatum (Nutt.) Spreng. Native CIUN

wavyleaf thistle · Asteraceae
Cirsium undulatum (Nutt.) Spreng. var. undulatum Native CIUNU

wavyleaf thistle · Asteraceae
Cirsium vulgare (Savi) Ten. Introduced CIVU

bull thistle · Asteraceae
Cistanthe umbellata (Torr.) Hershkovitz Native CIUM

Mt. Hood pussypaws · Portulacaceae
Cistanthe umbellata (Torr.) Hershkovitz var. umbellata Native CIUMU

Mt. Hood pussypaws · Portulacaceae
Claytonia lanceolata Pall. ex Pursh Native CLLA2

lanceleaf springbeauty · Portulacaceae
Claytonia megarhiza (A. Gray) Parry ex S. Watson Native CLME

alpine springbeauty · Portulacaceae
Claytonia megarhiza (A. Gray) Parry ex S. Watson var. megarhiza Native CLMEM

alpine springbeauty · Portulacaceae
Claytonia perfoliata Donn ex Willd. Native CLPE

miner's lettuce · Portulacaceae
Claytonia perfoliata Donn ex Willd. ssp. perfoliata Native CLPEP

miner's lettuce · Portulacaceae
Clematis columbiana (Nutt.) Torr. & A. Gray Native CLCO2

rock clematis · Ranunculaceae
Clematis columbiana (Nutt.) Torr. & A. Gray var. columbiana Native CLCOC2

rock clematis · Ranunculaceae
Clematis hirsutissima Pursh Native CLHI

hairy clematis · Ranunculaceae
Clematis hirsutissima Pursh var. hirsutissima Native CLHIH

hairy clematis · Ranunculaceae
Clematis ligusticifolia Nutt. Native CLLI2

western white clematis · Ranunculaceae
Clematis ligusticifolia Nutt. var. ligusticifolia Native CLLIL2

western white clematis · Ranunculaceae
Cleome serrulata Pursh Native CLSE

Rocky Mountain beeplant · Capparaceae
Clintonia uniflora (Menzies ex Schult. & Schult. f.) Kunth Native CLUN2

bride's bonnet · Liliaceae
Collinsia parviflora Lindl. Native COPA3

maiden blue eyed Mary · Scrophulariaceae
Collomia debilis (S. Watson) Greene Native CODE

alpine collomia · Polemoniaceae
Collomia linearis Nutt. Native COLI2

tiny trumpet · Polemoniaceae
Comandra umbellata (L.) Nutt. Native COUM

bastard toadflax · Santalaceae
Comandra umbellata (L.) Nutt. ssp. pallida (A. DC.) Piehl Native COUMP

pale bastard toadflax · Santalaceae
Conimitella williamsii (D.C. Eaton) Rydb. Native COWI

Williams' miterwort · Saxifragaceae
Conium maculatum L. Introduced COMA2

poison hemlock · Apiaceae
Conringia orientalis (L.) Dumort. Introduced COOR

hare's ear mustard · Brassicaceae
Consolida ajacis (L.) Schur Introduced COAJ

doubtful knight's-spur · Ranunculaceae
Convolvulus arvensis L. Introduced COAR4

field bindweed · Convolvulaceae
Conyza canadensis (L.) Cronquist Native COCA5

Canadian horseweed · Asteraceae
Conyza canadensis (L.) Cronquist var. canadensis Native COCAC3

Canadian horseweed · Asteraceae
Corallorhiza maculata (Raf.) Raf. Native COMA25

summer coralroot · Orchidaceae
Corallorhiza striata Lindl. Native COST19

hooded coralroot · Orchidaceae
Corallorhiza striata Lindl. var. striata Native COSTS3

hooded coralroot · Orchidaceae
Corallorhiza trifida Chatelain Native COTR18

yellow coralroot · Orchidaceae
Corispermum americanum (Nutt.) Nutt. Native COAM8

American bugseed · Chenopodiaceae
Corispermum americanum (Nutt.) Nutt. var. americanum Native COAMA2

American bugseed · Chenopodiaceae
Cornus sericea L. Native COSE16

redosier dogwood · Cornaceae
Cornus sericea L. ssp. sericea Native COSES

redosier dogwood · Cornaceae
Corydalis aurea Willd. Native COAU2

scrambled eggs · Fumariaceae
Crataegus douglasii Lindl. Native CRDO2

black hawthorn · Rosaceae
Crataegus succulenta Schrad. ex Link Native CRSU5

fleshy hawthorn · Rosaceae
Crepis acuminata Nutt. Native CRAC2

tapertip hawksbeard · Asteraceae
Crepis acuminata Nutt. ssp. acuminata Native CRACA

tapertip hawksbeard · Asteraceae
Crepis atribarba A. Heller Native CRAT

slender hawksbeard · Asteraceae
Crepis occidentalis Nutt. Native CROC

largeflower hawksbeard · Asteraceae
Crepis runcinata (James) Torr. & A. Gray Native CRRU3

fiddleleaf hawksbeard · Asteraceae
Cryptantha ambigua (A. Gray) Greene Native CRAM3

basin cryptantha · Boraginaceae
Cryptantha celosioides (Eastw.) Payson Native CRCE

buttecandle · Boraginaceae
Cryptantha torreyana (A. Gray) Greene Native CRTO4

Torrey's cryptantha · Boraginaceae
Cryptantha watsonii (A. Gray) Greene Native CRWA2

Watson's cryptantha · Boraginaceae
Cuscuta approximata Bab. Introduced CUAP2

alfalfa dodder · Cuscutaceae
Cuscuta epithymum (L.) L. Introduced CUEP

clover dodder · Cuscutaceae
Cuscuta gronovii Willd. ex Schult. Native CUGR

scaldweed · Cuscutaceae
Cuscuta gronovii Willd. ex Schult. var. gronovii Native CUGRG

scaldweed · Cuscutaceae
Cyclachaena xanthiifolia (Nutt.) Fresen. Native CYXA2

carelessweed · Asteraceae
Cymopterus acaulis (Pursh) Raf. Native CYAC

plains springparsley · Apiaceae
Cymopterus acaulis (Pursh) Raf. var. acaulis Native CYACA

plains springparsley · Apiaceae
Cymopterus nivalis S. Watson Native CYNI3

snowline springparsley · Apiaceae
Cynoglossum officinale L. Introduced CYOF

gypsyflower · Boraginaceae
Dactylis glomerata L. Introduced DAGL

orchardgrass · Poaceae
Dactylis glomerata L. ssp. glomerata Introduced DAGLG

orchardgrass · Poaceae
Dalea candida Michx. ex Willd. Native DACA7

white prairie clover · Fabaceae
Dalea candida Michx. ex Willd. var. oligophylla (Torr.) Shinners Native DACAO

white prairie clover · Fabaceae
Dasiphora fruticosa (L.) Rydb. Native DAFR6

shrubby cinquefoil · Rosaceae
Dasiphora fruticosa (L.) Rydb. ssp. floribunda (Pursh) Kartesz Native DAFRF

shrubby cinquefoil · Rosaceae
Datura stramonium L. Introduced DAST

jimsonweed · Solanaceae
Daucus carota L. Introduced DACA6

Queen Anne's lace · Apiaceae
Delphinium bicolor Nutt. Native DEBI

little larkspur · Ranunculaceae
Delphinium nuttallianum Pritz. ex Walp. Native DENU2

twolobe larkspur · Ranunculaceae
Delphinium ×occidentale (S. Watson) S. Watson (pro sp.) [barbeyi × glaucum] Native DEOC

Ranunculaceae
Descurainia pinnata (Walter) Britton Native DEPI

western tansymustard · Brassicaceae
Descurainia sophia (L.) Webb ex Prantl Introduced DESO2

herb sophia · Brassicaceae
Dianthus armeria L. Introduced DIAR

Deptford pink · Caryophyllaceae
Dicentra uniflora Kellogg Native DIUN

longhorn steer's-head · Fumariaceae
Digitaria sanguinalis (L.) Scop. Introduced DISA

hairy crabgrass · Poaceae
Dodecatheon conjugens Greene Native DOCO

Bonneville shootingstar · Primulaceae
Dodecatheon pulchellum (Raf.) Merr. Native DOPU

darkthroat shootingstar · Primulaceae
Dodecatheon pulchellum (Raf.) Merr. ssp. pulchellum Native DOPUP2

darkthroat shootingstar · Primulaceae
Douglasia montana A. Gray Native DOMO

Rocky Mountain dwarf-primrose · Primulaceae
Draba albertina Greene Native DRAL4

slender draba · Brassicaceae
Draba calcifuga Lesica Native DRCA

Lesica's draba · Brassicaceae
Draba incerta Payson Native DRIN2

Yellowstone draba · Brassicaceae
Draba incerta Payson var. incerta Native DRINI4

Yellowstone draba · Brassicaceae
Draba nemorosa L. Native DRNE

woodland draba · Brassicaceae
Draba oligosperma Hook. Native DROL

fewseed draba · Brassicaceae
Dracocephalum parviflorum Nutt. Native DRPA2

American dragonhead · Lamiaceae
Dryas octopetala L. Native DROC

eightpetal mountain-avens · Rosaceae
Echinacea angustifolia DC. Native ECAN2

narrowleaf purple coneflower · Asteraceae
Echinacea angustifolia DC. var. angustifolia Native ECANA

narrowleaf purple coneflower · Asteraceae
Echinochloa crus-galli (L.) P. Beauv. Introduced ECCR

barnyardgrass · Poaceae
Echinocystis lobata (Michx.) Torr. & A. Gray Native ECLO

wild cucumber · Cucurbitaceae
Elaeagnus angustifolia L. Introduced ELAN

Russian olive · Elaeagnaceae
Elaeagnus commutata Bernh. ex Rydb. Native ELCO

silverberry · Elaeagnaceae
Elatine brachysperma A. Gray Native ELBR5

shortseed waterwort · Elatinaceae
Eleocharis palustris (L.) Roem. & Schult. Native ELPA3

common spikerush · Cyperaceae
Eleocharis palustris (L.) Roem. & Schult. var. palustris Native ELPAP

common spikerush · Cyperaceae
Ellisia nyctelea (L.) L. Native ELNY

Aunt Lucy · Hydrophyllaceae
Elodea canadensis Michx. Native ELCA7

Canadian waterweed · Hydrocharitaceae
Elodea nuttallii (Planch.) H. St. John Native ELNU2

western waterweed · Hydrocharitaceae
Elymus repens (L.) Gould Introduced ELRE4

quackgrass · Poaceae
Epilobium anagallidifolium Lam. Native EPAN4

pimpernel willowherb · Onagraceae
Epilobium brachycarpum C. Presl Native EPBR3

tall annual willowherb · Onagraceae
Epilobium ciliatum Raf. Native EPCI

fringed willowherb · Onagraceae
Epilobium ciliatum Raf. ssp. glandulosum (Lehm.) Hoch & P.H. Raven Native EPCIG

fringed willowherb · Onagraceae
Epilobium pygmaeum (Speg.) Hoch & P.H. Raven Native EPPY4

smooth spike-primrose · Onagraceae
Eragrostis cilianensis (All.) Vign. ex Janchen Introduced ERCI

stinkgrass · Poaceae
Ericameria nauseosa (Pall. ex Pursh) G.L. Nesom & Baird Native ERNA10

rubber rabbitbrush · Asteraceae
Ericameria nauseosa (Pall. ex Pursh) G.L. Nesom & Baird ssp. nauseosa Native ERNAN3

rubber rabbitbrush · Asteraceae
Ericameria nauseosa (Pall. ex Pursh) G.L. Nesom & Baird ssp. nauseosa var. nauseosa Native ERNAN5

rubber rabbitbrush · Asteraceae
Ericameria suffruticosa (Nutt.) G.L. Nesom Native ERSU13

singlehead goldenbush · Asteraceae
Erigeron acris L. Native ERAC2

bitter fleabane · Asteraceae
Erigeron caespitosus Nutt. Native ERCA2

tufted fleabane · Asteraceae
Erigeron compositus Pursh Native ERCO4

cutleaf daisy · Asteraceae
Erigeron corymbosus Nutt. Native ERCO5

longleaf fleabane · Asteraceae
Erigeron glabellus Nutt. Native ERGL2

streamside fleabane · Asteraceae
Erigeron lonchophyllus Hook. Native ERLO

shortray fleabane · Asteraceae
Erigeron peregrinus (Banks ex Pursh) Greene Native ERPE3

subalpine fleabane · Asteraceae
Erigeron peregrinus (Banks ex Pursh) Greene ssp. callianthemus (Greene) Cronquist Native ERPEC

subalpine fleabane · Asteraceae
Erigeron peregrinus (Banks ex Pursh) Greene ssp. callianthemus (Greene) Cronquist var. callianthemus Native ERPEC2

subalpine fleabane · Asteraceae
Erigeron philadelphicus L. Native ERPH

Philadelphia fleabane · Asteraceae
Erigeron philadelphicus L. var. philadelphicus Native ERPHP

Philadelphia fleabane · Asteraceae
Erigeron pumilus Nutt. Native ERPU2

shaggy fleabane · Asteraceae
Erigeron rydbergii Cronquist Native ERRY

Rydberg's fleabane · Asteraceae
Erigeron speciosus (Lindl.) DC. Native ERSP4

aspen fleabane · Asteraceae
Erigeron strigosus Muhl. ex Willd. Native ERST3

prairie fleabane · Asteraceae
Erigeron tweedyi Canby Native ERTW

Tweedy's fleabane · Asteraceae
Eriogonum cernuum Nutt. Native ERCE2

nodding buckwheat · Polygonaceae
Eriogonum cernuum Nutt. var. cernuum Native ERCEC

nodding buckwheat · Polygonaceae
Eriogonum flavum Nutt. Native ERFL4

alpine golden buckwheat · Polygonaceae
Eriogonum microthecum Nutt. Native ERMI4

slender buckwheat · Polygonaceae
Eriogonum ovalifolium Nutt. Native EROV

cushion buckwheat · Polygonaceae
Eriogonum strictum Benth. Native ERST4

Blue Mountain buckwheat · Polygonaceae
Eriogonum strictum Benth. ssp. proliferum (Torr. & A. Gray) S. Stokes Native ERSTP

Blue Mountain buckwheat · Polygonaceae
Eriogonum strictum Benth. ssp. proliferum (Torr. & A. Gray) S. Stokes var. proliferum (Torr. & A. Gray) C.L. Hitchc. Native ERSTP3

Blue Mountain buckwheat · Polygonaceae
Eriogonum umbellatum Torr. Native ERUM

sulphur-flower buckwheat · Polygonaceae
Eriophorum angustifolium Honck. Native ERAN6

tall cottongrass · Cyperaceae
Eriophorum angustifolium Honck. ssp. angustifolium Native ERANA3

tall cottongrass · Cyperaceae
Eriophorum chamissonis C.A. Mey. Native ERCH7

Chamisso's cottongrass · Cyperaceae
Eriophorum gracile W.D.J. Koch Native ERGR8

slender cottongrass · Cyperaceae
Eriophorum gracile W.D.J. Koch var. gracile Native ERGRG2

slender cottongrass · Cyperaceae
Eriophyllum lanatum (Pursh) Forbes Native ERLA6

common woolly sunflower · Asteraceae
Eritrichium howardii (A. Gray) Rydb. Native ERHO8

Howard's alpine forget-me-not · Boraginaceae
Eritrichium nanum (Vill.) Schrad. ex Gaudin Native ERNA

arctic alpine forget-me-not · Boraginaceae
Eritrichium nanum (Vill.) Schrad. ex Gaudin var. elongatum (Rydb.) Cronquist Native ERNAE

arctic alpine forget-me-not · Boraginaceae
Erodium cicutarium (L.) L'Hér. ex Aiton Introduced ERCI6

redstem stork's bill · Geraniaceae
Erodium cicutarium (L.) L'Hér. ex Aiton ssp. cicutarium Introduced ERCIC

redstem stork's bill · Geraniaceae
Erysimum capitatum (Douglas ex Hook.) Greene Native ERCA14

sanddune wallflower · Brassicaceae
Erysimum capitatum (Douglas ex Hook.) Greene var. capitatum Native ERCAC

sanddune wallflower · Brassicaceae
Erysimum cheiranthoides L. Introduced ERCH9

wormseed wallflower · Brassicaceae
Erysimum inconspicuum (S. Watson) MacMill. Native ERIN7

shy wallflower · Brassicaceae
Erysimum inconspicuum (S. Watson) MacMill. var. inconspicuum Native ERINI6

shy wallflower · Brassicaceae
Erythronium grandiflorum Pursh Native ERGR9

yellow avalanche-lily · Liliaceae
Eucephalus elegans Nutt. Native EUEL2

elegant aster · Asteraceae
Eucephalus engelmannii (D.C. Eaton) Greene Native EUEN

Engelmann's aster · Asteraceae
Euphorbia brachycera Engelm. Native EUBR

horned spurge · Euphorbiaceae
Euphorbia cyparissias L. Introduced EUCY2

cypress spurge · Euphorbiaceae
Euphorbia esula L. Introduced EUES

leafy spurge · Euphorbiaceae
Euphorbia spathulata Lam. Native EUSP

warty spurge · Euphorbiaceae
Eurybia conspicua (Lindl.) G.L. Nesom Native EUCO36

western showy aster · Asteraceae
Eurybia integrifolia (Nutt.) G.L. Nesom Native EUIN9

thickstem aster · Asteraceae
Fagopyrum esculentum Moench Introduced FAES2

buckwheat · Polygonaceae
Festuca rubra L. Both FERU2

red fescue · Poaceae
Fragaria vesca L. Native FRVE

woodland strawberry · Rosaceae
Fragaria vesca L. ssp. bracteata (A. Heller) Staudt Native FRVEB2

woodland strawberry · Rosaceae
Fragaria virginiana Duchesne Native FRVI

Virginia strawberry · Rosaceae
Frasera speciosa Douglas ex Griseb. Native FRSP

elkweed · Gentianaceae
Fraxinus pennsylvanica Marshall Native FRPE

green ash · Oleaceae
Fritillaria pudica (Pursh) Spreng. Native FRPU2

yellow fritillary · Liliaceae
Gaillardia aristata Pursh Native GAAR

blanketflower · Asteraceae
Galeopsis tetrahit L. Introduced GATE2

brittlestem hempnettle · Lamiaceae
Galeopsis tetrahit L. var. tetrahit Introduced GATET2

brittlestem hempnettle · Lamiaceae
Galinsoga quadriradiata Cav. Introduced GAQU

shaggy soldier · Asteraceae
Galium aparine L. Native GAAP2

stickywilly · Rubiaceae
Galium bifolium S. Watson Native GABI

twinleaf bedstraw · Rubiaceae
Galium boreale L. Native GABO2

northern bedstraw · Rubiaceae
Galium trifidum L. Native GATR2

threepetal bedstraw · Rubiaceae
Galium verum L. Introduced GAVE

Yellow Spring bedstraw · Rubiaceae
Galium verum L. var. verum Introduced GAVEV

Yellow Spring bedstraw · Rubiaceae
Gaultheria humifusa (Graham) Rydb. Native GAHU

alpine spicywintergreen · Ericaceae
Gayophytum humile Juss. Native GAHU2

dwarf groundsmoke · Onagraceae
Gayophytum ramosissimum Torr. & A. Gray Native GARA2

pinyon groundsmoke · Onagraceae
Gentiana affinis Griseb. Native GEAF

pleated gentian · Gentianaceae
Gentiana algida Pall. Native GEAL2

whitish gentian · Gentianaceae
Gentiana calycosa Griseb. Native GECA

Rainier pleated gentian · Gentianaceae
Gentianella amarella (L.) Börner Native GEAM3

autumn dwarf gentian · Gentianaceae
Gentianella amarella (L.) Börner ssp. acuta (Michx.) J.M. Gillett Native GEAMA

autumn dwarf gentian · Gentianaceae
Gentianopsis thermalis (Kuntze) Iltis Native GETH

Rocky Mountain fringed gentian · Gentianaceae
Geranium bicknellii Britton Native GEBI2

Bicknell's cranesbill · Geraniaceae
Geranium carolinianum L. Native GECA5

Carolina geranium · Geraniaceae
Geranium molle L. Introduced GEMO

dovefoot geranium · Geraniaceae
Geranium pusillum L. Introduced GEPU2

small geranium · Geraniaceae
Geranium richardsonii Fisch. & Trautv. Native GERI

Richardson's geranium · Geraniaceae
Geranium viscosissimum Fisch. & C.A. Mey. ex C.A. Mey. Native GEVI2

sticky purple geranium · Geraniaceae
Geum aleppicum Jacq. Native GEAL3

yellow avens · Rosaceae
Geum macrophyllum Willd. Native GEMA4

largeleaf avens · Rosaceae
Geum rivale L. Native GERI2

purple avens · Rosaceae
Geum rossii (R. Br.) Ser. Native GERO2

Ross' avens · Rosaceae
Geum triflorum Pursh Native GETR

old man's whiskers · Rosaceae
Glechoma hederacea L. Introduced GLHE2

ground ivy · Lamiaceae
Gleditsia triacanthos L. Native GLTR

honeylocust · Fabaceae
Glycyrrhiza lepidota Pursh Native GLLE3

American licorice · Fabaceae
Gnaphalium palustre Nutt. Native GNPA

western marsh cudweed · Asteraceae
Goodyera oblongifolia Raf. Native GOOB2

western rattlesnake plantain · Orchidaceae
Grayia spinosa (Hook.) Moq. Native GRSP

spiny hopsage · Chenopodiaceae
Grindelia squarrosa (Pursh) Dunal Native GRSQ

curlycup gumweed · Asteraceae
Gutierrezia sarothrae (Pursh) Britton & Rusby Native GUSA2

broom snakeweed · Asteraceae
Gypsophila paniculata L. Introduced GYPA

baby's breath · Caryophyllaceae
Hackelia cinerea (Piper) I.M. Johnst. Native HACI2

gray stickseed · Boraginaceae
Hackelia deflexa (Wahlenb.) Opiz Native HADE

nodding stickseed · Boraginaceae
Hackelia deflexa (Wahlenb.) Opiz var. americana (A. Gray) Fernald & I.M. Johnst. Native HADEA

American stickseed · Boraginaceae
Hackelia floribunda (Lehm.) I.M. Johnst. Native HAFL2

manyflower stickseed · Boraginaceae
Hackelia patens (Nutt.) I.M. Johnst. Native HAPA

spotted stickseed · Boraginaceae
Hackelia patens (Nutt.) I.M. Johnst. var. patens Native HAPAP

spotted stickseed · Boraginaceae
Halogeton glomeratus (M. Bieb.) C.A. Mey. Introduced HAGL

saltlover · Chenopodiaceae
Hedeoma drummondii Benth. Native HEDR

Drummond's false pennyroyal · Lamiaceae
Hedysarum boreale Nutt. Native HEBO

Utah sweetvetch · Fabaceae
Hedysarum boreale Nutt. ssp. boreale Native HEBOB

Utah sweetvetch · Fabaceae
Hedysarum boreale Nutt. ssp. boreale var. boreale Native HEBOB2

Utah sweetvetch · Fabaceae
Hedysarum occidentale Greene Native HEOC

western sweetvetch · Fabaceae
Hedysarum occidentale Greene var. occidentale Native HEOCO2

western sweetvetch · Fabaceae
Hedysarum sulphurescens Rydb. Native HESU

white sweetvetch · Fabaceae
Helenium autumnale L. Native HEAU

common sneezeweed · Asteraceae
Helenium autumnale L. var. montanum (Nutt.) Fernald Native HEAUM

mountain sneezeweed · Asteraceae
Helianthella quinquenervis (Hook.) A. Gray Native HEQU2

fivenerve helianthella · Asteraceae
Helianthella uniflora (Nutt.) Torr. & A. Gray Native HEUN

oneflower helianthella · Asteraceae
Helianthus annuus L. Native HEAN3

common sunflower · Asteraceae
Helianthus nuttallii Torr. & A. Gray Native HENU

Nuttall's sunflower · Asteraceae
Helianthus petiolaris Nutt. Native HEPE

prairie sunflower · Asteraceae
Helianthus petiolaris Nutt. ssp. petiolaris Native HEPEP

prairie sunflower · Asteraceae
Helianthus ×laetiflorus Pers. (pro sp.) [pauciflorus × tuberosus] Native HELA

cheerful sunflower · Asteraceae
Heliomeris multiflora Nutt. Native HEMU3

showy goldeneye · Asteraceae
Heliomeris multiflora Nutt. var. multiflora Native HEMUM

showy goldeneye · Asteraceae
Heracleum maximum W. Bartram Native HEMA80

common cowparsnip · Apiaceae
Hesperis matronalis L. Introduced HEMA3

dames rocket · Brassicaceae
Hesperochiron californicus (Benth.) S. Watson Native HECA7

California hesperochiron · Hydrophyllaceae
Hesperochiron pumilus (Douglas ex Griseb.) Porter Native HEPU6

dwarf hesperochiron · Hydrophyllaceae
Heterotheca villosa (Pursh) Shinners Native HEVI4

hairy false goldenaster · Asteraceae
Heterotheca villosa (Pursh) Shinners var. villosa Native HEVIV

hairy false goldenaster · Asteraceae
Heuchera cylindrica Douglas ex Hook. Native HECY2

roundleaf alumroot · Saxifragaceae
Heuchera parvifolia Nutt. ex Torr. & A. Gray Native HEPA11

littleleaf alumroot · Saxifragaceae
Heuchera parvifolia Nutt. ex Torr. & A. Gray var. utahensis (Rydb.) Garrett Native HEPAU

Utah alumroot · Saxifragaceae
Hibiscus trionum L. Introduced HITR

flower of an hour · Malvaceae
Hieracium albiflorum Hook. Native HIAL2

white hawkweed · Asteraceae
Hieracium aurantiacum L. Introduced HIAU

orange hawkweed · Asteraceae
Hieracium cynoglossoides Arv.-Touv. Native HICY

houndstongue hawkweed · Asteraceae
Hieracium gracile Hook. Native HIGR

slender hawkweed · Asteraceae
Hieracium gracile Hook. var. gracile Native HIGRG

slender hawkweed · Asteraceae
Hieracium umbellatum L. Native HIUM

narrowleaf hawkweed · Asteraceae
Hippuris vulgaris L. Native HIVU2

common mare's-tail · Hippuridaceae
Holodiscus discolor (Pursh) Maxim. Native HODI

oceanspray · Rosaceae
Hulsea algida A. Gray Native HUAL

Pacific hulsea · Asteraceae
Humulus lupulus L. Both HULU

common hop · Cannabaceae
Hydrophyllum capitatum Douglas ex Benth. Native HYCA4

ballhead waterleaf · Hydrophyllaceae
Hydrophyllum capitatum Douglas ex Benth. var. capitatum Native HYCAC

ballhead waterleaf · Hydrophyllaceae
Hyoscyamus niger L. Introduced HYNI

black henbane · Solanaceae
Hypericum perforatum L. Introduced HYPE

common St. Johnswort · Clusiaceae
Hypericum scouleri Hook. Native HYSC5

Scouler's St. Johnswort · Clusiaceae
Iliamna rivularis (Douglas ex Hook.) Greene Native ILRI

streambank wild hollyhock · Malvaceae
Impatiens ecornuta Gerry Moore, Zika & Rushworth Native IMEC2

spurless touch-me-not · Balsaminaceae
Ionactis alpina (Nutt.) Greene Native IOAL

Lava aster · Asteraceae
Ipomopsis congesta (Hook.) V.E. Grant Native IPCO5

ballhead ipomopsis · Polemoniaceae
Ipomopsis congesta (Hook.) V.E. Grant ssp. congesta Native IPCOC3

ballhead ipomopsis · Polemoniaceae
Ipomopsis spicata (Nutt.) V.E. Grant Native IPSP

spiked ipomopsis · Polemoniaceae
Ipomopsis spicata (Nutt.) V.E. Grant ssp. spicata Native IPSPS

spiked ipomopsis · Polemoniaceae
Isatis tinctoria L. Introduced ISTI

Dyer's woad · Brassicaceae
Iva axillaris Pursh Native IVAX

povertyweed · Asteraceae
Ivesia gordonii (Hook.) Torr. & A. Gray Native IVGO

Gordon's ivesia · Rosaceae
Juncus alpinoarticulatus Chaix Native JUAL4

northern green rush · Juncaceae
Juncus alpinoarticulatus Chaix ssp. nodulosus (Wahlenb.) Hämet-Ahti Native JUALN

northern green rush · Juncaceae
Juncus arcticus Willd. Both JUAR2

arctic rush · Juncaceae
Juncus arcticus Willd. ssp. littoralis (Engelm.) Hultén Native JUARL

mountain rush · Juncaceae
Juncus bufonius L. Native JUBU

toad rush · Juncaceae
Juncus bufonius L. var. bufonius Native JUBUB

toad rush · Juncaceae
Juncus confusus Coville Native JUCO2

Colorado rush · Juncaceae
Juncus drummondii E. Mey. Native JUDR

Drummond's rush · Juncaceae
Juncus ensifolius Wikstr. Native JUEN

swordleaf rush · Juncaceae
Juncus filiformis L. Native JUFI

thread rush · Juncaceae
Juncus gerardii Loisel. Native JUGE

saltmeadow rush · Juncaceae
Juncus gerardii Loisel. var. gerardii Native JUGEG

saltmeadow rush · Juncaceae
Juncus longistylis Torr. Native JULO

longstyle rush · Juncaceae
Juncus longistylis Torr. var. longistylis Native JULOL

longstyle rush · Juncaceae
Juncus mertensianus Bong. Native JUME3

Mertens' rush · Juncaceae
Juncus nodosus L. Native JUNO2

knotted rush · Juncaceae
Juncus nodosus L. var. nodosus Native JUNON

knotted rush · Juncaceae
Juncus parryi Engelm. Native JUPA

Parry's rush · Juncaceae
Juncus regelii Buchenau Native JURE

Regel's rush · Juncaceae
Juncus tenuis Willd. Native JUTE

poverty rush · Juncaceae
Juncus torreyi Coville Native JUTO

Torrey's rush · Juncaceae
Juniperus communis L. Native JUCO6

common juniper · Cupressaceae
Juniperus communis L. var. depressa Pursh Native JUCOD

common juniper · Cupressaceae
Juniperus horizontalis Moench Native JUHO2

creeping juniper · Cupressaceae
Juniperus scopulorum Sarg. Native JUSC2

Rocky Mountain juniper · Cupressaceae
Kalmia polifolia Wangenh. Native KAPO

bog laurel · Ericaceae
Kelseya uniflora (S. Watson) Rydb. Native KEUN

oneflower kelseya · Rosaceae
Knautia arvensis (L.) J.M. Coult. Introduced KNAR

field scabiosa · Dipsacaceae
Krascheninnikovia lanata (Pursh) A. Meeuse & Smit Native KRLA2

winterfat · Chenopodiaceae
Lactuca serriola L. Introduced LASE

prickly lettuce · Asteraceae
Lactuca tatarica (L.) C.A. Mey. Native LATA

blue lettuce · Asteraceae
Lactuca tatarica (L.) C.A. Mey. var. pulchella (Pursh) Breitung Native LATAP

blue lettuce · Asteraceae
Lamium amplexicaule L. Introduced LAAM

henbit deadnettle · Lamiaceae
Lamium purpureum L. Introduced LAPU2

purple deadnettle · Lamiaceae
Lamium purpureum L. var. purpureum Introduced LAPUP

purple deadnettle · Lamiaceae
Lappula occidentalis (S. Watson) Greene Native LAOC3

flatspine stickseed · Boraginaceae
Lappula occidentalis (S. Watson) Greene var. occidentalis Native LAOCO

flatspine stickseed · Boraginaceae
Lappula squarrosa (Retz.) Dumort. Introduced LASQ

European stickseed · Boraginaceae
Lathrocasis tenerrima (A. Gray) L.A. Johnson Native LATE6

delicate gilia · Polemoniaceae
Lathyrus latifolius L. Introduced LALA4

perennial pea · Fabaceae
Ledum glandulosum Nutt. Native LEGL

western Labrador tea · Ericaceae
Lemna gibba L. Native LEGI

swollen duckweed · Lemnaceae
Lemna minor L. Native LEMI3

common duckweed · Lemnaceae
Lemna trisulca L. Native LETR

star duckweed · Lemnaceae
Lepidium campestre (L.) W.T. Aiton Introduced LECA5

field pepperweed · Brassicaceae
Lepidium densiflorum Schrad. Both LEDE

common pepperweed · Brassicaceae
Lepidium latifolium L. Introduced LELA2

broadleaved pepperweed · Brassicaceae
Lepidium perfoliatum L. Introduced LEPE2

clasping pepperweed · Brassicaceae
Lepidium ramosissimum A. Nelson Native LERA2

manybranched pepperweed · Brassicaceae
Lepidium sativum L. Introduced LESA2

gardencress pepperweed · Brassicaceae
Leptosiphon septentrionalis (H. Mason) J.M. Porter & L.A. Johnson Native LESE17

northern linanthus · Polemoniaceae
Lesquerella alpina (Nutt.) S. Watson Native LEAL

alpine bladderpod · Brassicaceae
Leucanthemum vulgare Lam. Introduced LEVU

oxeye daisy · Asteraceae
Leucocrinum montanum Nutt. ex A. Gray Native LEMO4

common starlily · Liliaceae
Lewisia pygmaea (A. Gray) B.L. Rob. Native LEPY2

alpine lewisia · Portulacaceae
Lewisia rediviva Pursh Native LERE7

bitter root · Portulacaceae
Lewisia rediviva Pursh var. rediviva Native LERER

bitter root · Portulacaceae
Liatris punctata Hook. Native LIPU

dotted blazing star · Asteraceae
Liatris punctata Hook. var. punctata Native LIPUP

dotted blazing star · Asteraceae
Limosella aquatica L. Native LIAQ

water mudwort · Scrophulariaceae
Linanthus pungens (Torr.) J.M. Porter & L.A. Johnson Native LIPU11

granite prickly phlox · Polemoniaceae
Linaria dalmatica (L.) Mill. Introduced LIDA

Dalmatian toadflax · Scrophulariaceae
Linaria dalmatica (L.) Mill. ssp. dalmatica Introduced LIDAD

Dalmatian toadflax · Scrophulariaceae
Linaria vulgaris Mill. Introduced LIVU2

butter and eggs · Scrophulariaceae
Linnaea borealis L. Native LIBO3

twinflower · Caprifoliaceae
Linnaea borealis L. ssp. americana (Forbes) Hultén ex R.T. Clausen Native LIBOA

twinflower · Caprifoliaceae
Linum perenne L. Introduced LIPE2

blue flax · Linaceae
Linum rigidum Pursh Native LIRI

stiffstem flax · Linaceae
Linum rigidum Pursh var. rigidum Native LIRIR

stiffstem flax · Linaceae
Linum usitatissimum L. Introduced LIUS

common flax · Linaceae
Listera convallarioides (Sw.) Nutt. ex Elliott Native LICO5

broadlipped twayblade · Orchidaceae
Listera cordata (L.) R. Br. Native LICO6

heartleaf twayblade · Orchidaceae
Listera cordata (L.) R. Br. var. nephrophylla (Rydb.) Hultén Native LICON

heartleaf twayblade · Orchidaceae
Lithophragma glabrum Nutt. Native LIGL2

bulbous woodland-star · Saxifragaceae
Lithophragma tenellum Nutt. Native LITE4

slender woodland-star · Saxifragaceae
Lithospermum incisum Lehm. Native LIIN2

narrowleaf stoneseed · Boraginaceae
Lithospermum ruderale Douglas ex Lehm. Native LIRU4

western stoneseed · Boraginaceae
Lloydia serotina (L.) Salisb. ex Rchb. Native LLSE

common alplily · Liliaceae
Lloydia serotina (L.) Salisb. ex Rchb. var. serotina Native LLSES2

common alplily · Liliaceae
Lobularia maritima (L.) Desv. Introduced LOMA

sweet alyssum · Brassicaceae
Logfia arvensis (L.) Holub Introduced LOAR5

field cottonrose · Asteraceae
Lolium perenne L. Introduced LOPE

perennial ryegrass · Poaceae
Lolium perenne L. ssp. multiflorum (Lam.) Husnot Introduced LOPEM2

Italian ryegrass · Poaceae
Lolium temulentum L. Introduced LOTE2

Darnel ryegrass · Poaceae
Lolium temulentum L. ssp. temulentum Introduced LOTET

Darnel ryegrass · Poaceae
Lomatium ambiguum (Nutt.) J.M. Coult. & Rose Native LOAM

Wyeth biscuitroot · Apiaceae
Lomatium cous (S. Watson) J.M. Coult. & Rose Native LOCO4

cous biscuitroot · Apiaceae
Lomatium dissectum (Nutt.) Mathias & Constance Native LODI

fernleaf biscuitroot · Apiaceae
Lomatium dissectum (Nutt.) Mathias & Constance var. multifidum Native LODIM

carrotleaf biscuitroot · Apiaceae
Lomatium macrocarpum (Nutt. ex Torr. & A. Gray) J.M. Coult. & Rose Native LOMA3

bigseed biscuitroot · Apiaceae
Lomatium triternatum (Pursh) J.M. Coult. & Rose Native LOTR2

nineleaf biscuitroot · Apiaceae
Lomatium triternatum (Pursh) J.M. Coult. & Rose var. triternatum Native LOTRT

nineleaf biscuitroot · Apiaceae
Lomatogonium rotatum (L.) Fr. ex Fernald Native LORO

marsh felwort · Gentianaceae
Lonicera involucrata (Richardson) Banks ex Spreng. Native LOIN5

twinberry honeysuckle · Caprifoliaceae
Lonicera involucrata (Richardson) Banks ex Spreng. var. involucrata Native LOINI

twinberry honeysuckle · Caprifoliaceae
Lonicera tatarica L. Introduced LOTA

Tatarian honeysuckle · Caprifoliaceae
Lotus corniculatus L. Introduced LOCO6

bird's-foot trefoil · Fabaceae
Lotus corniculatus L. var. corniculatus Introduced LOCOC5

bird's-foot trefoil · Fabaceae
Lotus tenuis Waldst. & Kit. ex Willd. Introduced LOTE4

narrowleaf trefoil · Fabaceae
Lotus unifoliolatus (Hook.) Benth. Native LOUN

American bird's-foot trefoil · Fabaceae
Lotus unifoliolatus (Hook.) Benth. var. unifoliolatus Native LOUNU

American bird's-foot trefoil · Fabaceae
Lupinus argenteus Pursh Native LUAR3

silvery lupine · Fabaceae
Lupinus argenteus Pursh ssp. argenteus Native LUARA5

silvery lupine · Fabaceae
Lupinus argenteus Pursh ssp. argenteus var. laxiflorus (Douglas ex Lindl.) Dorn Native LUARL5

silvery lupine · Fabaceae
Lupinus aridus Douglas Native LUAR7

desert lupine · Fabaceae
Lupinus aridus Douglas ssp. aridus Native LUARA6

desert lupine · Fabaceae
Lupinus bingenensis Suksd. Native LUBI3

Bingen lupine · Fabaceae
Lupinus bingenensis Suksd. var. subsaccatus Native LUBIS

Bingen lupine · Fabaceae
Lupinus leucophyllus Douglas ex Lindl. Native LULE3

velvet lupine · Fabaceae
Lupinus leucophyllus Douglas ex Lindl. ssp. leucophyllus Native LULEL4

velvet lupine · Fabaceae
Lupinus polyphyllus Lindl. Native LUPO2

bigleaf lupine · Fabaceae
Lupinus polyphyllus Lindl. ssp. polyphyllus Native LUPOP2

bigleaf lupine · Fabaceae
Lupinus polyphyllus Lindl. ssp. polyphyllus var. polyphyllus Native LUPOP4

bigleaf lupine · Fabaceae
Lupinus pusillus Pursh Native LUPU

rusty lupine · Fabaceae
Lupinus sericeus Pursh Native LUSE4

silky lupine · Fabaceae
Lupinus sericeus Pursh ssp. sericeus Native LUSES2

silky lupine · Fabaceae
Lupinus wyethii S. Watson Native LUWY

Wyeth's lupine · Fabaceae
Lupinus wyethii S. Watson ssp. wyethii Native LUWYW

Wyeth's lupine · Fabaceae
Lychnis flos-cuculi L. Introduced LYFL3

ragged robin · Caryophyllaceae
Lycium barbarum L. Introduced LYBA4

matrimony vine · Solanaceae
Lycopus americanus Muhl. ex W.P.C. Barton Native LYAM

American water horehound · Lamiaceae
Lycopus asper Greene Native LYAS

rough bugleweed · Lamiaceae
Lygodesmia juncea (Pursh) D. Don ex Hook. Native LYJU

rush skeletonplant · Asteraceae
Lysimachia ciliata L. Native LYCI

fringed loosestrife · Primulaceae
Lysimachia vulgaris L. Introduced LYVU

garden yellow loosestrife · Primulaceae
Machaeranthera canescens (Pursh) A. Gray Native MACA2

hoary tansyaster · Asteraceae
Machaeranthera canescens (Pursh) A. Gray ssp. canescens Native MACAC

hoary tansyaster · Asteraceae
Machaeranthera canescens (Pursh) A. Gray ssp. canescens var. canescens Native MACAC3

hoary tansyaster · Asteraceae
Machaeranthera pinnatifida (Hook.) Shinners Native MAPI

lacy tansyaster · Asteraceae
Machaeranthera pinnatifida (Hook.) Shinners ssp. pinnatifida Native MAPIP

lacy tansyaster · Asteraceae
Machaeranthera pinnatifida (Hook.) Shinners ssp. pinnatifida var. pinnatifida Native MAPIP4

lacy tansyaster · Asteraceae
Madia glomerata Hook. Native MAGL2

mountain tarweed · Asteraceae
Mahonia repens (Lindl.) G. Don Native MARE11

creeping barberry · Berberidaceae
Maianthemum racemosum (L.) Link Native MARA7

feathery false lily of the valley · Liliaceae
Maianthemum racemosum (L.) Link ssp. amplexicaule (Nutt.) LaFrankie Native MARAA

feathery false lily of the valley · Liliaceae
Maianthemum stellatum (L.) Link Native MAST4

starry false lily of the valley · Liliaceae
Malcolmia africana (L.) W.T. Aiton Introduced MAAF

African mustard · Brassicaceae
Malva moschata L. Introduced MAMO2

musk mallow · Malvaceae
Malva parviflora L. Introduced MAPA5

cheeseweed mallow · Malvaceae
Malva sylvestris L. Introduced MASY

high mallow · Malvaceae
Marrubium vulgare L. Introduced MAVU

horehound · Lamiaceae
Matricaria discoidea DC. Introduced MADI6

disc mayweed · Asteraceae
Medicago lupulina L. Introduced MELU

black medick · Fabaceae
Medicago polymorpha L. Introduced MEPO3

burclover · Fabaceae
Medicago sativa L. Introduced MESA

alfalfa · Fabaceae
Medicago sativa L. ssp. falcata (L.) Arcang. Introduced MESAF

yellow alfalfa · Fabaceae
Melampyrum lineare Desr. Native MELI2

narrowleaf cowwheat · Scrophulariaceae
Melampyrum lineare Desr. var. lineare Native MELIL3

narrowleaf cowwheat · Scrophulariaceae
Melilotus officinalis (L.) Lam. Introduced MEOF

sweetclover · Fabaceae
Mentha arvensis L. Native MEAR4

wild mint · Lamiaceae
Mentzelia decapetala (Pursh ex Sims) Urb. & Gilg ex Gilg Native MEDE2

tenpetal blazingstar · Loasaceae
Mentzelia dispersa S. Watson Native MEDI

bushy blazingstar · Loasaceae
Mentzelia laevicaulis (Hook.) Torr. & A. Gray Native MELA2

smoothstem blazingstar · Loasaceae
Mentzelia laevicaulis (Hook.) Torr. & A. Gray var. laevicaulis Native MELAL3

smoothstem blazingstar · Loasaceae
Menyanthes trifoliata L. Native METR3

buckbean · Menyanthaceae
Menziesia ferruginea Sm. Native MEFE

rusty menziesia · Ericaceae
Mertensia alpina (Torr.) G. Don Native MEAL7

alpine bluebells · Boraginaceae
Mertensia ciliata (James ex Torr.) G. Don Native MECI3

tall fringed bluebells · Boraginaceae
Mertensia ciliata (James ex Torr.) G. Don var. ciliata Native MECIC2

tall fringed bluebells · Boraginaceae
Mertensia lanceolata (Pursh) DC. Native MELA3

prairie bluebells · Boraginaceae
Mertensia lanceolata (Pursh) DC. var. lanceolata Native MELAL2

prairie bluebells · Boraginaceae
Mertensia oblongifolia (Nutt.) G. Don Native MEOB

oblongleaf bluebells · Boraginaceae
Microseris nutans (Hook.) Sch. Bip. Native MINU

nodding microseris · Asteraceae
Microsteris gracilis (Hook.) Greene Native MIGR

slender phlox · Polemoniaceae
Microsteris gracilis (Hook.) Greene var. gracilis Native MIGRG4

slender phlox · Polemoniaceae
Mimulus guttatus DC. Native MIGU

seep monkeyflower · Scrophulariaceae
Mimulus lewisii Pursh Native MILE2

purple monkeyflower · Scrophulariaceae
Mimulus moschatus Douglas ex Lindl. Native MIMO3

muskflower · Scrophulariaceae
Mimulus moschatus Douglas ex Lindl. var. moschatus Native MIMOM2

muskflower · Scrophulariaceae
Mimulus nanus Hook. & Arn. Native MINA

dwarf purple monkeyflower · Scrophulariaceae
Mimulus nanus Hook. & Arn. var. nanus (A.L. Grant) D. M. Thomps. Native MINAN2

dwarf purple monkeyflower · Scrophulariaceae
Mimulus tilingii Regel Native MITI

Tiling's monkeyflower · Scrophulariaceae
Mimulus tilingii Regel var. tilingii Native MITIT

Tiling's monkeyflower · Scrophulariaceae
Minuartia nuttallii (Pax) Briq. Native MINU4

Nuttall's sandwort · Caryophyllaceae
Minuartia nuttallii (Pax) Briq. ssp. nuttallii Native MINUN2

Nuttall's sandwort · Caryophyllaceae
Minuartia obtusiloba (Rydb.) House Native MIOB2

twinflower sandwort · Caryophyllaceae
Minuartia rubella (Wahlenb.) Hiern. Native MIRU3

beautiful sandwort · Caryophyllaceae
Mitella pentandra Hook. Native MIPE

fivestamen miterwort · Saxifragaceae
Mitella stauropetala Piper Native MIST3

smallflower miterwort · Saxifragaceae
Mitella stauropetala Piper var. stauropetala Native MISTS2

smallflower miterwort · Saxifragaceae
Mitella trifida Graham Native MITR4

threeparted miterwort · Saxifragaceae
Moehringia lateriflora (L.) Fenzl Native MOLA6

bluntleaf sandwort · Caryophyllaceae
Monarda fistulosa L. Native MOFI

wild bergamot · Lamiaceae
Monarda fistulosa L. ssp. fistulosa Native MOFIF

wild bergamot · Lamiaceae
Monarda fistulosa L. ssp. fistulosa var. menthifolia (Graham) Fernald Native MOFIM2

mintleaf bergamot · Lamiaceae
Moneses uniflora (L.) A. Gray Native MOUN2

single delight · Pyrolaceae
Monolepis nuttalliana (Schult.) Greene Native MONU

Nuttall's povertyweed · Chenopodiaceae
Monotropa hypopitys L. Native MOHY3

pinesap · Monotropaceae
Monotropa uniflora L. Native MOUN3

Indianpipe · Monotropaceae
Montia chamissoi (Ledeb. ex Spreng.) Greene Native MOCH

water minerslettuce · Portulacaceae
Montia linearis (Douglas ex Hook.) Greene Native MOLI4

narrowleaf minerslettuce · Portulacaceae
Musineon divaricatum (Pursh) Raf. Native MUDI

leafy wildparsley · Apiaceae
Musineon vaginatum Rydb. Native MUVA

sheathed wildparsley · Apiaceae
Myosotis asiatica (Vesterg.) Schischkin & Sergievskaja Native MYAS2

Asian forget-me-not · Boraginaceae
Myosotis laxa Lehm. Native MYLA

bay forget-me-not · Boraginaceae
Myosurus apetalus C. Gay Native MYAP

bristly mousetail · Ranunculaceae
Myosurus apetalus C. Gay var. borealis Whittemore Native MYAPB

bristly mousetail · Ranunculaceae
Myosurus minimus L. Native MYMI2

tiny mousetail · Ranunculaceae
Myriophyllum sibiricum Kom. Native MYSI

shortspike watermilfoil · Haloragaceae
Najas flexilis (Willd.) Rostk. & Schmidt Native NAFL

nodding waternymph · Najadaceae
Nasturtium officinale W.T. Aiton Introduced NAOF

watercress · Brassicaceae
Nemophila breviflora A. Gray Native NEBR

basin nemophila · Hydrophyllaceae
Nepeta cataria L. Introduced NECA2

catnip · Lamiaceae
Nicotiana attenuata Torr. ex S. Watson Native NIAT

coyote tobacco · Solanaceae
Noccaea fendleri (A. Gray) Holub Native NOFE3

Fendler's pennycress · Brassicaceae
Noccaea fendleri (A. Gray) Holub ssp. glauca (A. Nelson) Al-Shehbaz & M. Koch Native NOFEG

alpine pennycress · Brassicaceae
Nothocalais cuspidata (Pursh) Greene Native NOCU

prairie false dandelion · Asteraceae
Nuphar lutea (L.) Sm. Native NULU

yellow pond-lily · Nymphaeaceae
Nuphar lutea (L.) Sm. ssp. polysepala (Engelm.) E.O. Beal Native NULUP

Rocky Mountain pond-lily · Nymphaeaceae
Oenothera biennis L. Native OEBI

common evening primrose · Onagraceae
Oenothera caespitosa Nutt. Native OECA10

tufted evening primrose · Onagraceae
Oenothera caespitosa Nutt. ssp. caespitosa Native OECAC2

tufted evening primrose · Onagraceae
Oenothera curtiflora W.L. Wagner & Hoch Native OECU2

velvetweed · Onagraceae
Oenothera nuttallii Sweet Native OENU

Nuttall's evening primrose · Onagraceae
Oenothera suffrutescens (Ser.) W.L. Wagner & Hoch Native OESU3

scarlet beeblossom · Onagraceae
Oligoneuron rigidum (L.) Small Native OLRI

stiff goldenrod · Asteraceae
Oligoneuron rigidum (L.) Small var. humile (Porter) G.L. Nesom Native OLRIH

stiff goldenrod · Asteraceae
Onobrychis viciifolia Scop. Introduced ONVI

sainfoin · Fabaceae
Onopordum acanthium L. Introduced ONAC

Scotch cottonthistle · Asteraceae
Opuntia polyacantha Haw. Native OPPO

plains pricklypear · Cactaceae
Opuntia polyacantha Haw. var. polyacantha Native OPPOP

hairspine pricklypear · Cactaceae
Oreostemma alpigenum (Torr. & A. Gray) Greene Native ORAL4

tundra aster · Asteraceae
Oreostemma alpigenum (Torr. & A. Gray) Greene var. haydenii (Porter) G.L. Nesom Native ORALH

tundra aster · Asteraceae
Orobanche fasciculata Nutt. Native ORFA

clustered broomrape · Orobanchaceae
Orobanche ludoviciana Nutt. Native ORLU

Louisiana broomrape · Orobanchaceae
Orobanche ludoviciana Nutt. ssp. ludoviciana Native ORLUL2

Louisiana broomrape · Orobanchaceae
Orobanche uniflora L. Native ORUN

oneflowered broomrape · Orobanchaceae
Orthilia secunda (L.) House Native ORSE

sidebells wintergreen · Pyrolaceae
Orthocarpus luteus Nutt. Native ORLU2

yellow owl's-clover · Scrophulariaceae
Orthocarpus tenuifolius (Pursh) Benth. Native ORTE2

thinleaved owl's-clover · Scrophulariaceae
Osmorhiza berteroi DC. Native OSBE

sweetcicely · Apiaceae
Osmorhiza depauperata Phil. Native OSDE

bluntseed sweetroot · Apiaceae
Osmorhiza longistylis (Torr.) DC. Native OSLO

longstyle sweetroot · Apiaceae
Osmorhiza occidentalis (Nutt. ex Torr. & A. Gray) Torr. Native OSOC

western sweetroot · Apiaceae
Oxalis corniculata L. Native OXCO

creeping woodsorrel · Oxalidaceae
Oxalis stricta L. Native OXST

common yellow oxalis · Oxalidaceae
Oxyria digyna (L.) Hill Native OXDI3

alpine mountainsorrel · Polygonaceae
Oxytropis besseyi (Rydb.) Blank. Native OXBE2

Bessey's locoweed · Fabaceae
Oxytropis borealis DC. Native OXBO

boreal locoweed · Fabaceae
Oxytropis borealis DC. var. viscida (Nutt.) S.L. Welsh Native OXBOV

viscid locoweed · Fabaceae
Oxytropis campestris (L.) DC. Native OXCA4

field locoweed · Fabaceae
Oxytropis deflexa (Pall.) DC. Native OXDE2

nodding locoweed · Fabaceae
Oxytropis riparia Litv. Introduced OXRI80

Oxus locoweed · Fabaceae
Oxytropis sericea Nutt. Native OXSE

white locoweed · Fabaceae
Oxytropis splendens Douglas ex Hook. Native OXSP

showy locoweed · Fabaceae
Packera cana (Hook.) W.A. Weber & Á. Löve Native PACA15

woolly groundsel · Asteraceae
Packera indecora (Greene) Á. Löve & D. Löve Native PAIN11

elegant groundsel · Asteraceae
Packera pseudaurea (Rydb.) W.A. Weber & Á. Löve Native PAPS5

falsegold groundsel · Asteraceae
Packera pseudaurea (Rydb.) W.A. Weber & Á. Löve var. pseudaurea Native PAPSP2

falsegold groundsel · Asteraceae
Packera streptanthifolia (Greene) W.A. Weber & Á. Löve Native PAST10

Rocky Mountain groundsel · Asteraceae
Packera subnuda (DC.) D.K. Trock & T.M. Barkley Native PASU40

Buek's groundsel · Asteraceae
Packera werneriifolia (A. Gray) W.A. Weber & Á. Löve Native PAWE4

hoary groundsel · Asteraceae
Panicum miliaceum L. Introduced PAMI2

proso millet · Poaceae
Panicum miliaceum L. ssp. miliaceum Introduced PAMIM

broomcorn millet · Poaceae
Papaver radicatum Rottb. Native PARA11

rooted poppy · Papaveraceae
Papaver radicatum Rottb. ssp. kluanense (D. Löve) D.F. Murray Native PARAK

rooted poppy · Papaveraceae
Papaver rhoeas L. Introduced PARH2

corn poppy · Papaveraceae
Parnassia fimbriata K.D. Koenig Native PAFI3

fringed grass of Parnassus · Saxifragaceae
Parnassia fimbriata K.D. Koenig var. fimbriata Native PAFIF

fringed grass of Parnassus · Saxifragaceae
Parnassia kotzebuei Cham. ex Spreng. Native PAKO3

Kotzebue's grass of Parnassus · Saxifragaceae
Parnassia palustris L. Native PAPA8

marsh grass of Parnassus · Saxifragaceae
Parnassia palustris L. var. parviflora (DC.) B. Boivin Native PAPAP2

smallflower grass of Parnassus · Saxifragaceae
Parthenocissus vitacea (Knerr) Hitchc. Native PAVI5

woodbine · Vitaceae
Pastinaca sativa L. Introduced PASA2

wild parsnip · Apiaceae
Pedicularis bracteosa Benth. Native PEBR

bracted lousewort · Scrophulariaceae
Pedicularis bracteosa Benth. var. paysoniana (Pennell) Cronquist Native PEBRP2

Payson's lousewort · Scrophulariaceae
Pedicularis contorta Benth. Native PECO

coiled lousewort · Scrophulariaceae
Pedicularis cystopteridifolia Rydb. Native PECY5

fernleaved pedicularis · Scrophulariaceae
Pedicularis groenlandica Retz. Native PEGR2

elephanthead lousewort · Scrophulariaceae
Pedicularis parryi A. Gray Native PEPA3

Parry's lousewort · Scrophulariaceae
Pedicularis parryi A. Gray ssp. purpurea (Parry) G.D. Carr Native PEPAP5

Rocky Mountain lousewort · Scrophulariaceae
Pedicularis pulchella Pennell Native PEPU10

mountain lousewort · Scrophulariaceae
Pedicularis racemosa Douglas ex Benth. Native PERA

sickletop lousewort · Scrophulariaceae
Pedicularis racemosa Douglas ex Benth. ssp. alba Pennell Native PERAA

sickletop lousewort · Scrophulariaceae
Penstemon albidus Nutt. Native PEAL2

white penstemon · Scrophulariaceae
Penstemon aridus Rydb. Native PEAR2

stiffleaf penstemon · Scrophulariaceae
Penstemon attenuatus Douglas ex Lindl. Native PEAT3

sulphur penstemon · Scrophulariaceae
Penstemon confertus Douglas ex Lindl. Native PECO6

yellow penstemon · Scrophulariaceae
Penstemon cyaneus Pennell Native PECY3

blue penstemon · Scrophulariaceae
Penstemon ellipticus J.M. Coult. & Fisher Native PEEL5

rocky ledge penstemon · Scrophulariaceae
Penstemon eriantherus Pursh Native PEER

fuzzytongue penstemon · Scrophulariaceae
Penstemon fruticosus (Pursh) Greene Native PEFR3

bush penstemon · Scrophulariaceae
Penstemon fruticosus (Pursh) Greene var. fruticosus Native PEFRF4

bush penstemon · Scrophulariaceae
Penstemon glaber Pursh Native PEGL3

sawsepal penstemon · Scrophulariaceae
Penstemon glaber Pursh var. glaber Native PEGLG2

sawsepal penstemon · Scrophulariaceae
Penstemon lyallii (A. Gray) A. Gray Native PELY2

Lyall's beardtongue · Scrophulariaceae
Penstemon montanus Greene Native PEMO4

cordroot beardtongue · Scrophulariaceae
Penstemon montanus Greene var. montanus Native PEMOM2

cordroot beardtongue · Scrophulariaceae
Penstemon nitidus Douglas ex Benth. Native PENI3

waxleaf penstemon · Scrophulariaceae
Penstemon procerus Douglas ex Graham Native PEPR2

littleflower penstemon · Scrophulariaceae
Penstemon procerus Douglas ex Graham var. procerus Native PEPRP

pincushion beardtongue · Scrophulariaceae
Penstemon radicosus A. Nelson Native PERA2

matroot penstemon · Scrophulariaceae
Perideridia gairdneri (Hook. & Arn.) Mathias Native PEGA3

Gardner's yampah · Apiaceae
Perideridia gairdneri (Hook. & Arn.) Mathias ssp. borealis T.I. Chuang & Constance Native PEGAB

common yampah · Apiaceae
Petasites frigidus (L.) Fr. Native PEFR5

arctic sweet coltsfoot · Asteraceae
Petasites frigidus (L.) Fr. var. sagittatus (Banks ex Pursh) Cherniawsky Native PEFRS5

arrowleaf sweet coltsfoot · Asteraceae
Petrophytum caespitosum (Nutt.) Rydb. Native PECA12

mat rockspirea · Rosaceae
Petrophytum caespitosum (Nutt.) Rydb. var. caespitosum Native PECAC2

mat rockspirea · Rosaceae
Phacelia hastata Douglas ex Lehm. Native PHHA

silverleaf phacelia · Hydrophyllaceae
Phacelia hastata Douglas ex Lehm. var. hastata Native PHHAH

silverleaf phacelia · Hydrophyllaceae
Phacelia heterophylla Pursh Native PHHE2

varileaf phacelia · Hydrophyllaceae
Phacelia heterophylla Pursh ssp. heterophylla Native PHHEH

varileaf phacelia · Hydrophyllaceae
Phacelia linearis (Pursh) Holz. Native PHLI

threadleaf phacelia · Hydrophyllaceae
Phacelia sericea (Graham) A. Gray Native PHSE

silky phacelia · Hydrophyllaceae
Phacelia sericea (Graham) A. Gray ssp. sericea Native PHSES

silky phacelia · Hydrophyllaceae
Phalaris arundinacea L. Native PHAR3

reed canarygrass · Poaceae
Phalaris canariensis L. Introduced PHCA5

annual canarygrass · Poaceae
Phleum pratense L. Introduced PHPR3

timothy · Poaceae
Phlox alyssifolia Greene Native PHAL3

alyssumleaf phlox · Polemoniaceae
Phlox caespitosa Nutt. Native PHCA7

tufted phlox · Polemoniaceae
Phlox hoodii Richardson Native PHHO

spiny phlox · Polemoniaceae
Phlox hoodii Richardson ssp. muscoides (Nutt.) Wherry Native PHHOM

musk phlox · Polemoniaceae
Phlox kelseyi Britton Native PHKE

Kelsey's phlox · Polemoniaceae
Phlox kelseyi Britton ssp. kelseyi Native PHKEK

Kelsey's phlox · Polemoniaceae
Phlox longifolia Nutt. Native PHLO2

longleaf phlox · Polemoniaceae
Phlox longifolia Nutt. ssp. longifolia Native PHLOL2

longleaf phlox · Polemoniaceae
Phlox multiflora A. Nelson Native PHMU3

flowery phlox · Polemoniaceae
Phlox pulvinata (Wherry) Cronquist Native PHPU5

cushion phlox · Polemoniaceae
Phlox speciosa Pursh Native PHSP

showy phlox · Polemoniaceae
Phlox speciosa Pursh ssp. occidentalis (Durand ex Torr.) Wherry Native PHSPO

showy phlox · Polemoniaceae
Phyllodoce empetriformis (Sm.) D. Don Native PHEM

pink mountainheath · Ericaceae
Phyllodoce glanduliflora (Hook.) Coville Native PHGL6

yellow mountainheath · Ericaceae
Physalis longifolia Nutt. Native PHLO4

longleaf groundcherry · Solanaceae
Physalis longifolia Nutt. var. longifolia Native PHLOL3

longleaf groundcherry · Solanaceae
Physaria didymocarpa (Hook.) A. Gray Native PHDI6

common twinpod · Brassicaceae
Physocarpus malvaceus (Greene) Kuntze Native PHMA5

mallow ninebark · Rosaceae
Physostegia parviflora Nutt. ex A. Gray Native PHPA10

western false dragonhead · Lamiaceae
Picea engelmannii Parry ex Engelm. Native PIEN

Engelmann spruce · Pinaceae
Picea engelmannii Parry ex Engelm. var. engelmannii Native PIENE

Engelmann spruce · Pinaceae
Pinus albicaulis Engelm. Native PIAL

whitebark pine · Pinaceae
Pinus contorta Douglas ex Loudon Native PICO

lodgepole pine · Pinaceae
Pinus contorta Douglas ex Loudon var. latifolia Engelm. ex S. Watson Native PICOL

lodgepole pine · Pinaceae
Pinus flexilis James Native PIFL2

limber pine · Pinaceae
Pinus ponderosa Lawson & C. Lawson Native PIPO

ponderosa pine · Pinaceae
Pinus ponderosa Lawson & C. Lawson var. scopulorum Engelm. Native PIPOS

ponderosa pine · Pinaceae
Plagiobothrys scouleri (Hook. & Arn.) I.M. Johnst. Native PLSC2

Scouler's popcornflower · Boraginaceae
Plagiobothrys scouleri (Hook. & Arn.) I.M. Johnst. var. hispidulus (Greene) Dorn Native PLSCH

sleeping popcornflower · Boraginaceae
Plantago eriopoda Torr. Native PLER

redwool plantain · Plantaginaceae
Plantago lanceolata L. Introduced PLLA

narrowleaf plantain · Plantaginaceae
Plantago major L. Introduced PLMA2

common plantain · Plantaginaceae
Plantago patagonica Jacq. Native PLPA2

woolly plantain · Plantaginaceae
Plantago tweedyi A. Gray Native PLTW

Tweedy's plantain · Plantaginaceae
Poa annua L. Introduced POAN

annual bluegrass · Poaceae
Poa bulbosa L. Introduced POBU

bulbous bluegrass · Poaceae
Poa compressa L. Introduced POCO

Canada bluegrass · Poaceae
Poa palustris L. Native POPA2

fowl bluegrass · Poaceae
Poa pratensis L. Both POPR

Kentucky bluegrass · Poaceae
Poa trivialis L. Introduced POTR2

rough bluegrass · Poaceae
Polemonium occidentale Greene Native POOC2

western polemonium · Polemoniaceae
Polemonium occidentale Greene ssp. occidentale Native POOCO

western polemonium · Polemoniaceae
Polemonium pulcherrimum Hook. Native POPU3

Jacob's-ladder · Polemoniaceae
Polemonium pulcherrimum Hook. ssp. pulcherrimum Native POPUP3

Jacob's-ladder · Polemoniaceae
Polemonium viscosum Nutt. Native POVI

sticky polemonium · Polemoniaceae
Polygonum achoreum S.F. Blake Native POAC3

leathery knotweed · Polygonaceae
Polygonum amphibium L. Native POAM8

water knotweed · Polygonaceae
Polygonum amphibium L. var. emersum Michx. Native POAME

longroot smartweed · Polygonaceae
Polygonum aviculare L. Introduced POAV

prostrate knotweed · Polygonaceae
Polygonum bistortoides Pursh Native POBI6

American bistort · Polygonaceae
Polygonum convolvulus L. Introduced POCO10

black bindweed · Polygonaceae
Polygonum convolvulus L. var. convolvulus Introduced POCOC2

black bindweed · Polygonaceae
Polygonum douglasii Greene Native PODO4

Douglas' knotweed · Polygonaceae
Polygonum douglasii Greene ssp. johnstonii (Munz) J.C. Hickman Native PODOJ2

Johnston's knotweed · Polygonaceae
Polygonum erectum L. Native POER2

erect knotweed · Polygonaceae
Polygonum lapathifolium L. Native POLA4

curlytop knotweed · Polygonaceae
Polygonum persicaria L. Introduced POPE3

spotted ladysthumb · Polygonaceae
Polygonum polygaloides Wall. ex Meisn. Native POPO4

milkwort knotweed · Polygonaceae
Polygonum polygaloides Wall. ex Meisn. ssp. confertiflorum (Nutt. ex Piper) J.C. Hickman Native POPOC

fruitleaf knotweed · Polygonaceae
Polygonum ramosissimum Michx. Native PORA3

bushy knotweed · Polygonaceae
Polygonum ramosissimum Michx. var. ramosissimum Native PORAR

bushy knotweed · Polygonaceae
Polygonum sachalinense F. Schmidt ex Maxim. Introduced POSA4

giant knotweed · Polygonaceae
Polypogon monspeliensis (L.) Desf. Introduced POMO5

annual rabbitsfoot grass · Poaceae
Populus alba L. Introduced POAL7

white poplar · Salicaceae
Populus angustifolia James Native POAN3

narrowleaf cottonwood · Salicaceae
Populus balsamifera L. Native POBA2

balsam poplar · Salicaceae
Populus balsamifera L. ssp. trichocarpa (Torr. & A. Gray ex Hook.) Brayshaw Native POBAT

black cottonwood · Salicaceae
Populus tremuloides Michx. Native POTR5

quaking aspen · Salicaceae
Populus ×acuminata Rydb. (pro sp.) [angustifolia × deltoides] Native POAC5

lanceleaf cottonwood · Salicaceae
Portulaca oleracea L. Both POOL

little hogweed · Portulacaceae
Potamogeton alpinus Balbis Native POAL8

alpine pondweed · Potamogetonaceae
Potamogeton foliosus Raf. Native POFO3

leafy pondweed · Potamogetonaceae
Potamogeton friesii Rupr. Native POFR3

Fries' pondweed · Potamogetonaceae
Potamogeton gramineus L. Native POGR8

variableleaf pondweed · Potamogetonaceae
Potamogeton richardsonii (Benn.) Rydb. Native PORI2

Richardson's pondweed · Potamogetonaceae
Potentilla arguta Pursh Native POAR7

tall cinquefoil · Rosaceae
Potentilla concinna Richardson Native POCO13

elegant cinquefoil · Rosaceae
Potentilla concinna Richardson var. concinna Native POCOC3

elegant cinquefoil · Rosaceae
Potentilla diversifolia Lehm. Native PODI2

varileaf cinquefoil · Rosaceae
Potentilla glandulosa Lindl. Native POGL9

sticky cinquefoil · Rosaceae
Potentilla gracilis Douglas ex Hook. Native POGR9

slender cinquefoil · Rosaceae
Potentilla norvegica L. Native PONO3

Norwegian cinquefoil · Rosaceae
Potentilla norvegica L. ssp. monspeliensis (L.) Asch. & Graebn. Native PONOM

Norwegian cinquefoil · Rosaceae
Potentilla ovina Macoun ex J.M. Macoun Native POOV2

sheep cinquefoil · Rosaceae
Potentilla pensylvanica L. Native POPE8

Pennsylvania cinquefoil · Rosaceae
Potentilla pensylvanica L. var. pensylvanica Native POPEP5

Pennsylvania cinquefoil · Rosaceae
Potentilla recta L. Introduced PORE5

sulphur cinquefoil · Rosaceae
Prenanthes sagittata (A. Gray) A. Nelson Native PRSA

arrowleaf rattlesnakeroot · Asteraceae
Primula incana M.E. Jones Native PRIN

silvery primrose · Primulaceae
Primula parryi A. Gray Native PRPA

Parry's primrose · Primulaceae
Prosartes trachycarpa S. Watson Native PRTR4

roughfruit fairybells · Liliaceae
Prunella vulgaris L. Native PRVU

common selfheal · Lamiaceae
Prunella vulgaris L. ssp. lanceolata (W. Bartram) Hultén Native PRVUL2

lance selfheal · Lamiaceae
Prunus virginiana L. Native PRVI

chokecherry · Rosaceae
Prunus virginiana L. var. melanocarpa (A. Nelson) Sarg. Native PRVIM

black chokecherry · Rosaceae
Pseudognaphalium canescens (DC.) W.A. Weber Native PSCA11

Wright's cudweed · Asteraceae
Pseudognaphalium canescens (DC.) W.A. Weber ssp. thermale (E.E. Nelson) Kartesz Native PSCAT

Wright's cudweed · Asteraceae
Pseudognaphalium macounii (Greene) Kartesz Native PSMA11

Macoun's cudweed · Asteraceae
Pseudognaphalium stramineum (Kunth) Anderb. Native PSST7

cottonbatting plant · Asteraceae
Pseudotsuga menziesii (Mirb.) Franco Native PSME

Douglas-fir · Pinaceae
Pseudotsuga menziesii (Mirb.) Franco var. glauca (Beissn.) Franco Native PSMEG

Rocky Mountain Douglas-fir · Pinaceae
Pterospora andromedea Nutt. Native PTAN2

woodland pinedrops · Monotropaceae
Pteryxia terebinthina (Hook.) J.M. Coult. & Rose Native PTTE

turpentine wavewing · Apiaceae
Pteryxia terebinthina (Hook.) J.M. Coult. & Rose var. foeniculacea (Nutt. ex Torr. & A. Gray) Mathias Native PTTEF

turpentine wavewing · Apiaceae
Puccinellia distans (Jacq.) Parl. Both PUDI

weeping alkaligrass · Poaceae
Puccinellia distans (Jacq.) Parl. ssp. distans Introduced PUDID

weeping alkaligrass · Poaceae
Pulsatilla patens (L.) Mill. Native PUPA5

eastern pasqueflower · Ranunculaceae
Pulsatilla patens (L.) Mill. ssp. multifida (Pritz.) Zamels Native PUPAM

cutleaf anemone · Ranunculaceae
Purshia tridentata (Pursh) DC. Native PUTR2

antelope bitterbrush · Rosaceae
Pyrola asarifolia Michx. Native PYAS

liverleaf wintergreen · Pyrolaceae
Pyrola chlorantha Sw. Native PYCH

greenflowered wintergreen · Pyrolaceae
Pyrola minor L. Native PYMI

snowline wintergreen · Pyrolaceae
Pyrola picta Sm. Native PYPI2

whiteveined wintergreen · Pyrolaceae
Pyrrocoma uniflora (Hook.) Greene Native PYUN2

plantain goldenweed · Asteraceae
Pyrrocoma uniflora (Hook.) Greene var. uniflora Native PYUNU

plantain goldenweed · Asteraceae
Quercus macrocarpa Michx. Native QUMA2

bur oak · Fagaceae
Ranunculus abortivus L. Native RAAB

littleleaf buttercup · Ranunculaceae
Ranunculus acriformis A. Gray Native RAAC2

sharpleaf buttercup · Ranunculaceae
Ranunculus acriformis A. Gray var. montanensis (Rydb.) L.D. Benson Native RAACM

mountain sharp buttercup · Ranunculaceae
Ranunculus acris L. Both RAAC3

tall buttercup · Ranunculaceae
Ranunculus acris L. var. acris Introduced RAACA3

showy buttercup · Ranunculaceae
Ranunculus aquatilis L. Native RAAQ

white water crowfoot · Ranunculaceae
Ranunculus cymbalaria Pursh Native RACY

alkali buttercup · Ranunculaceae
Ranunculus eschscholtzii Schltdl. Native RAES

Eschscholtz's buttercup · Ranunculaceae
Ranunculus eschscholtzii Schltdl. var. eschscholtzii Native RAESE2

Eschscholtz's buttercup · Ranunculaceae
Ranunculus flammula L. Native RAFL2

greater creeping spearwort · Ranunculaceae
Ranunculus glaberrimus Hook. Native RAGL

sagebrush buttercup · Ranunculaceae
Ranunculus gmelinii DC. Native RAGM

Gmelin's buttercup · Ranunculaceae
Ranunculus hyperboreus Rottb. Native RAHY2

high northern buttercup · Ranunculaceae
Ranunculus inamoenus Greene Native RAIN

graceful buttercup · Ranunculaceae
Ranunculus macounii Britton Native RAMA2

Macoun's buttercup · Ranunculaceae
Ranunculus pensylvanicus L. f. Native RAPE2

Pennsylvania buttercup · Ranunculaceae
Ranunculus repens L. Introduced RARE3

creeping buttercup · Ranunculaceae
Ranunculus sceleratus L. Native RASC3

cursed buttercup · Ranunculaceae
Ranunculus sceleratus L. var. multifidus Nutt. Native RASCM

cursed buttercup · Ranunculaceae
Ranunculus uncinatus D. Don ex G. Don Native RAUN

woodland buttercup · Ranunculaceae
Ranunculus verecundus B.L. Rob. ex Piper Native RAVE

wetslope buttercup · Ranunculaceae
Raphanus raphanistrum L. Introduced RARA2

wild radish · Brassicaceae
Ratibida columnifera (Nutt.) Wooton & Standl. Native RACO3

upright prairie coneflower · Asteraceae
Rhamnus alnifolia L'Hér. Native RHAL

alderleaf buckthorn · Rhamnaceae
Rhamnus cathartica L. Introduced RHCA3

common buckthorn · Rhamnaceae
Rhodiola integrifolia Raf. Native RHIN11

ledge stonecrop · Crassulaceae
Rhodiola integrifolia Raf. ssp. integrifolia Native RHINI

ledge stonecrop · Crassulaceae
Rhodiola rhodantha (A. Gray) H. Jacobsen Native RHRH4

redpod stonecrop · Crassulaceae
Rhus glabra L. Native RHGL

smooth sumac · Anacardiaceae
Rhus trilobata Nutt. Native RHTR

skunkbush sumac · Anacardiaceae
Rhus trilobata Nutt. var. trilobata Native RHTRT

skunkbush sumac · Anacardiaceae
Ribes americanum Mill. Native RIAM2

American black currant · Grossulariaceae
Ribes aureum Pursh Native RIAU

golden currant · Grossulariaceae
Ribes cereum Douglas Native RICE

wax currant · Grossulariaceae
Ribes hudsonianum Richardson Native RIHU

northern black currant · Grossulariaceae
Ribes hudsonianum Richardson var. petiolare (Douglas) Jancz. Native RIHUP

western black currant · Grossulariaceae
Ribes lacustre (Pers.) Poir. Native RILA

prickly currant · Grossulariaceae
Ribes montigenum McClatchie Native RIMO2

gooseberry currant · Grossulariaceae
Ribes oxyacanthoides L. Native RIOX

Canadian gooseberry · Grossulariaceae
Ribes oxyacanthoides L. ssp. setosum (Lindl.) Sinnott Native RIOXS

inland gooseberry · Grossulariaceae
Ribes rubrum L. Introduced RIRU80

cultivated currant · Grossulariaceae
Ribes viscosissimum Pursh Native RIVI3

sticky currant · Grossulariaceae
Rorippa calycina (Engelm.) Rydb. Native ROCA

persistent sepal yellowcress · Brassicaceae
Rorippa curvipes Greene Native ROCU2

bluntleaf yellowcress · Brassicaceae
Rorippa curvisiliqua (Hook.) Besser ex Britton Native ROCU

curvepod yellowcress · Brassicaceae
Rosa nutkana C. Presl Native RONU

Nootka rose · Rosaceae
Rosa nutkana C. Presl var. hispida Fernald Native RONUH

bristly Nootka rose · Rosaceae
Rosa woodsii Lindl. Native ROWO

Woods' rose · Rosaceae
Rubus idaeus L. Both RUID

American red raspberry · Rosaceae
Rubus parviflorus Nutt. Native RUPA

thimbleberry · Rosaceae
Rubus parviflorus Nutt. var. parviflorus Native RUPAP2

thimbleberry · Rosaceae
Rudbeckia laciniata L. Native RULA3

cutleaf coneflower · Asteraceae
Rudbeckia occidentalis Nutt. Native RUOC2

western coneflower · Asteraceae
Rumex acetosella L. Introduced RUAC3

common sheep sorrel · Polygonaceae
Rumex aquaticus L. Native RUAQ

western dock · Polygonaceae
Rumex aquaticus L. var. fenestratus (Greene) Dorn Native RUAQF

western dock · Polygonaceae
Rumex crispus L. Introduced RUCR

curly dock · Polygonaceae
Rumex crispus L. ssp. crispus Introduced RUCRC

curly dock · Polygonaceae
Rumex paucifolius Nutt. Native RUPA6

alpine sheep sorrel · Polygonaceae
Rumex paucifolius Nutt. ssp. paucifolius Native RUPAP

alpine sheep sorrel · Polygonaceae
Rumex salicifolius Weinm. Native RUSA

willow dock · Polygonaceae
Sagina saginoides (L.) Karst. Native SASA

arctic pearlwort · Caryophyllaceae
Sagittaria cuneata Sheldon Native SACU

arumleaf arrowhead · Alismataceae
Sagittaria latifolia Willd. Native SALA2

broadleaf arrowhead · Alismataceae
Salix arctica Pall. Native SAAR27

arctic willow · Salicaceae
Salix barclayi Andersson Native SABA3

Barclay's willow · Salicaceae
Salix barrattiana Hook. Native SABA4

Barratt's willow · Salicaceae
Salix bebbiana Sarg. Native SABE2

Bebb willow · Salicaceae
Salix boothii Dorn Native SABO2

Booth's willow · Salicaceae
Salix candida Flueggé ex Willd. Native SACA4

sageleaf willow · Salicaceae
Salix drummondiana Barratt ex Hook. Native SADR

Drummond's willow · Salicaceae
Salix exigua Nutt. Native SAEX

narrowleaf willow · Salicaceae
Salix fragilis L. Introduced SAFR

crack willow · Salicaceae
Salix glauca L. Native SAGL

grayleaf willow · Salicaceae
Salix glauca L. ssp. glauca Native SAGLG

grayleaf willow · Salicaceae
Salix glauca L. ssp. glauca var. villosa (D. Don ex Hook.) Andersson Native SAGLV

grayleaf willow · Salicaceae
Salix lucida Muhl. Native SALU

shining willow · Salicaceae
Salix lucida Muhl. ssp. lasiandra (Benth.) A.E. Murray Native SALUL

Pacific willow · Salicaceae
Salix nivalis Hook. Native SANI8

snow willow · Salicaceae
Salix pentandra L. Introduced SAPE4

laurel willow · Salicaceae
Salix prolixa Andersson Native SAPR3

MacKenzie's willow · Salicaceae
Salix pseudomonticola C.R. Ball Native SAPS

false mountain willow · Salicaceae
Salix scouleriana Barratt ex Hook. Native SASC

Scouler's willow · Salicaceae
Salix wolfii Bebb Native SAWO

Wolf's willow · Salicaceae
Salsola collina Pall. Introduced SACO8

slender Russian thistle · Chenopodiaceae
Salsola tragus L. Introduced SATR12

prickly Russian thistle · Chenopodiaceae
Salvia ×sylvestris L. (pro sp.) [nemorosa × pratensis] Introduced SASY

woodland sage · Lamiaceae
Sambucus nigra L. Both SANI4

black elderberry · Caprifoliaceae
Sambucus nigra L. ssp. canadensis (L.) R. Bolli Native SANIC4

American black elderberry · Caprifoliaceae
Sambucus racemosa L. Native SARA2

red elderberry · Caprifoliaceae
Sambucus racemosa L. var. melanocarpa (A. Gray) McMinn Native SARAM4

Rocky Mountain elder · Caprifoliaceae
Sambucus racemosa L. var. racemosa Native SARAR3

red elderberry · Caprifoliaceae
Sanicula marilandica L. Native SAMA2

Maryland sanicle · Apiaceae
Saponaria officinalis L. Introduced SAOF4

bouncingbet · Caryophyllaceae
Sarcobatus vermiculatus (Hook.) Torr. Native SAVE4

greasewood · Chenopodiaceae
Saxifraga adscendens L. Native SAAD

wedgeleaf saxifrage · Saxifragaceae
Saxifraga adscendens L. ssp. oregonensis (Raf.) Bacig. Native SAADO2

small saxifrage · Saxifragaceae
Saxifraga bronchialis L. Native SABR6

yellowdot saxifrage · Saxifragaceae
Saxifraga bronchialis L. ssp. austromontana (Wiegand) Piper Native SABRA2

matted saxifrage · Saxifragaceae
Saxifraga caespitosa L. Native SACA50

tufted alpine saxifrage · Saxifragaceae
Saxifraga integrifolia Hook. Native SAIN4

wholeleaf saxifrage · Saxifragaceae
Saxifraga oppositifolia L. Native SAOP

purple mountain saxifrage · Saxifragaceae
Saxifraga oppositifolia L. ssp. oppositifolia Native SAOPO

purple mountain saxifrage · Saxifragaceae
Saxifraga oregana Howell Native SAOR2

Oregon saxifrage · Saxifragaceae
Saxifraga rhomboidea Greene Native SARH2

diamondleaf saxifrage · Saxifragaceae
Saxifraga rivularis L. Native SARI8

weak saxifrage · Saxifragaceae
Schedonorus arundinaceus (Schreb.) Dumort., nom. cons. Introduced SCAR7

tall fescue · Poaceae
Schedonorus pratensis (Huds.) P. Beauv. Introduced SCPR4

meadow fescue · Poaceae
Schoenocrambe linifolia (Nutt.) Greene Native SCLI

flaxleaf plainsmustard · Brassicaceae
Schoenoplectus acutus (Muhl. ex Bigelow) Á. Löve & D. Löve Native SCAC3

hardstem bulrush · Cyperaceae
Schoenoplectus acutus (Muhl. ex Bigelow) Á. Löve & D. Löve var. acutus Native SCACA

hardstem bulrush · Cyperaceae
Schoenoplectus americanus (Pers.) Volkart ex Schinz & R. Keller Native SCAM6

chairmaker's bulrush · Cyperaceae
Schoenoplectus tabernaemontani (C.C. Gmel.) Palla Native SCTA2

softstem bulrush · Cyperaceae
Scleranthus annuus L. Introduced SCAN2

German knotgrass · Caryophyllaceae
Scutellaria galericulata L. Native SCGA

marsh skullcap · Lamiaceae
Secale cereale L. Introduced SECE

cereal rye · Poaceae
Securigera varia (L.) Lassen Introduced SEVA4

crownvetch · Fabaceae
Sedum stenopetalum Pursh Native SEST2

wormleaf stonecrop · Crassulaceae
Sedum stenopetalum Pursh ssp. stenopetalum Native SESTS2

wormleaf stonecrop · Crassulaceae
Senecio fremontii Torr. & A. Gray Native SEFR3

dwarf mountain ragwort · Asteraceae
Senecio fremontii Torr. & A. Gray var. fremontii Native SEFRF

dwarf mountain ragwort · Asteraceae
Senecio integerrimus Nutt. Native SEIN2

lambstongue ragwort · Asteraceae
Senecio lugens Richardson Native SELU

small blacktip ragwort · Asteraceae
Senecio sphaerocephalus Greene Native SESP4

ballhead ragwort · Asteraceae
Senecio triangularis Hook. Native SETR

arrowleaf ragwort · Asteraceae
Senecio vulgaris L. Introduced SEVU

old-man-in-the-Spring · Asteraceae
Setaria viridis (L.) P. Beauv. Introduced SEVI4

green bristlegrass · Poaceae
Setaria viridis (L.) P. Beauv. var. viridis Introduced SEVIV

green bristlegrass · Poaceae
Shepherdia argentea (Pursh) Nutt. Native SHAR

silver buffaloberry · Elaeagnaceae
Shepherdia canadensis (L.) Nutt. Native SHCA

russet buffaloberry · Elaeagnaceae
Sibbaldia procumbens L. Native SIPR

creeping sibbaldia · Rosaceae
Sidalcea oregana (Nutt. ex Torr. & A. Gray) A. Gray Native SIOR

Oregon checkerbloom · Malvaceae
Sidalcea oregana (Nutt. ex Torr. & A. Gray) A. Gray ssp. oregana Native SIORO

Oregon checkerbloom · Malvaceae
Sidalcea oregana (Nutt. ex Torr. & A. Gray) A. Gray ssp. oregana var. procera C.L. Hitchc. Native SIORP2

Oregon checkerbloom · Malvaceae
Silene acaulis (L.) Jacq. Native SIAC

moss campion · Caryophyllaceae
Silene csereii Baumg. Introduced SICS

Balkan catchfly · Caryophyllaceae
Silene latifolia Poir. Introduced SILA21

bladder campion · Caryophyllaceae
Silene latifolia Poir. ssp. alba (Mill.) Greuter & Burdet Introduced SILAA3

bladder campion · Caryophyllaceae
Silene noctiflora L. Introduced SINO

nightflowering silene · Caryophyllaceae
Silene parryi (S. Watson) C.L. Hitchc. & Maguire Native SIPA4

Parry's silene · Caryophyllaceae
Silene repens Patrin ex Pers. Native SIRE3

pink campion · Caryophyllaceae
Silene repens Patrin ex Pers. ssp. australis C.L. Hitchc. & Maguire Native SIREA

pink campion · Caryophyllaceae
Silene scouleri Hook. Native SISC7

simple campion · Caryophyllaceae
Silene scouleri Hook. ssp. scouleri Native SISCS2

simple campion · Caryophyllaceae
Silene scouleri Hook. ssp. scouleri var. scouleri Native SISCS3

simple campion · Caryophyllaceae
Silene uralensis (Rupr.) Bocquet Native SIUR

apetalous catchfly · Caryophyllaceae
Silene uralensis (Rupr.) Bocquet ssp. montana (S. Watson) McNeill Native SIURM

apetalous catchfly · Caryophyllaceae
Silene vulgaris (Moench) Garcke Introduced SIVU

maidenstears · Caryophyllaceae
Sinapis alba L. Introduced SIAL5

white mustard · Brassicaceae
Sinapis arvensis L. Introduced SIAR4

charlock mustard · Brassicaceae
Sinapis arvensis L. ssp. arvensis Introduced SIARA

wild mustard · Brassicaceae
Sisymbrium altissimum L. Introduced SIAL2

tall tumblemustard · Brassicaceae
Sisymbrium loeselii L. Introduced SILO3

small tumbleweed mustard · Brassicaceae
Sisymbrium officinale (L.) Scop. Introduced SIOF

hedgemustard · Brassicaceae
Sisyrinchium montanum Greene Native SIMO2

strict blue-eyed grass · Iridaceae
Sisyrinchium montanum Greene var. montanum Native SIMOM

strict blue-eyed grass · Iridaceae
Sium suave Walter Native SISU2

hemlock waterparsnip · Apiaceae
Smelowskia calycina (Stephan ex Willd.) C.A. Mey. Native SMCA

alpine smelowskia · Brassicaceae
Smelowskia calycina (Stephan ex Willd.) C.A. Mey. var. americana (Regel & Herder) Drury & Rollins Native SMCAA

American false candytuft · Brassicaceae
Solanum dulcamara L. Introduced SODU

climbing nightshade · Solanaceae
Solanum dulcamara L. var. dulcamara Introduced SODUD

climbing nightshade · Solanaceae
Solanum physalifolium Rusby Introduced SOPH

hoe nightshade · Solanaceae
Solanum ptycanthum Dunal Native SOPT7

West Indian nightshade · Solanaceae
Solanum triflorum Nutt. Native SOTR

cutleaf nightshade · Solanaceae
Solidago canadensis L. Native SOCA6

Canada goldenrod · Asteraceae
Solidago gigantea Aiton Native SOGI

giant goldenrod · Asteraceae
Solidago missouriensis Nutt. Native SOMI2

Missouri goldenrod · Asteraceae
Solidago missouriensis Nutt. var. missouriensis Native SOMIM

Missouri goldenrod · Asteraceae
Solidago mollis Bartlett Native SOMO

velvety goldenrod · Asteraceae
Solidago mollis Bartlett var. mollis Native SOMOM

velvety goldenrod · Asteraceae
Solidago multiradiata Aiton Native SOMU

Rocky Mountain goldenrod · Asteraceae
Solidago multiradiata Aiton var. scopulorum A. Gray Native SOMUS

manyray goldenrod · Asteraceae
Solidago simplex Kunth Native SOSI3

Mt. Albert goldenrod · Asteraceae
Solidago simplex Kunth ssp. simplex Native SOSIS

Mt. Albert goldenrod · Asteraceae
Solidago simplex Kunth ssp. simplex var. simplex Native SOSIS3

Mt. Albert goldenrod · Asteraceae
Sonchus arvensis L. Introduced SOAR2

field sowthistle · Asteraceae
Sonchus asper (L.) Hill Introduced SOAS

spiny sowthistle · Asteraceae
Sonchus oleraceus L. Introduced SOOL

common sowthistle · Asteraceae
Sorbus scopulina Greene Native SOSC2

Greene's mountain ash · Rosaceae
Sorbus scopulina Greene var. scopulina Native SOSCS

Greene's mountain ash · Rosaceae
Sorghum halepense (L.) Pers. Introduced SOHA

Johnsongrass · Poaceae
Sparganium androcladum (Engelm.) Morong Native SPAN

branched bur-reed · Sparganiaceae
Sparganium angustifolium Michx. Native SPAN2

narrowleaf bur-reed · Sparganiaceae
Sparganium eurycarpum Engelm. Native SPEU

broadfruit bur-reed · Sparganiaceae
Spergula arvensis L. Introduced SPAR

corn spurry · Caryophyllaceae
Spergularia rubra (L.) J. Presl & C. Presl Introduced SPRU

red sandspurry · Caryophyllaceae
Sphaeralcea coccinea (Nutt.) Rydb. Native SPCO

scarlet globemallow · Malvaceae
Sphaeralcea coccinea (Nutt.) Rydb. ssp. coccinea Native SPCOC

scarlet globemallow · Malvaceae
Spiraea lucida Douglas ex Greene Native SPLU5

shinyleaf spirea · Rosaceae
Stachys pilosa Nutt. Native STPI6

hairy hedgenettle · Lamiaceae
Stachys pilosa Nutt. var. pilosa Native STPIP5

hairy hedgenettle · Lamiaceae
Stellaria americana (Porter ex B.L. Rob.) Standl. Native STAM

American chickweed · Caryophyllaceae
Stellaria calycantha (Ledeb.) Bong. Native STCA

northern starwort · Caryophyllaceae
Stellaria crispa Cham. & Schltdl. Native STCR2

curled starwort · Caryophyllaceae
Stellaria graminea L. Introduced STGR

grass-like starwort · Caryophyllaceae
Stellaria longifolia Muhl. ex Willd. Native STLO

longleaf starwort · Caryophyllaceae
Stellaria longifolia Muhl. ex Willd. var. longifolia Native STLOL

longleaf starwort · Caryophyllaceae
Stellaria longipes Goldie Native STLO2

longstalk starwort · Caryophyllaceae
Stellaria longipes Goldie ssp. longipes Native STLOL7

longstalk starwort · Caryophyllaceae
Stellaria media (L.) Vill. Introduced STME2

common chickweed · Caryophyllaceae
Stellaria media (L.) Vill. ssp. media Introduced STMEM

common chickweed · Caryophyllaceae
Stellaria umbellata Turcz. ex Kar. & Kir. Native STUM

umbrella starwort · Caryophyllaceae
Stenotus acaulis (Nutt.) Nutt. Native STAC

stemless mock goldenweed · Asteraceae
Stenotus lanuginosus (A. Gray) Greene Native STLA7

woolly mock goldenweed · Asteraceae
Streptopus amplexifolius (L.) DC. Both STAM2

claspleaf twistedstalk · Liliaceae
Stuckenia pectinata (L.) Börner Native STPE15

sago pondweed · Potamogetonaceae
Stuckenia vaginata (Turcz.) Holub Native STVA8

sheathed pondweed · Potamogetonaceae
Suaeda calceoliformis (Hook.) Moq. Native SUCA2

Pursh seepweed · Chenopodiaceae
Symphoricarpos albus (L.) S.F. Blake Native SYAL

common snowberry · Caprifoliaceae
Symphoricarpos occidentalis Hook. Native SYOC

western snowberry · Caprifoliaceae
Symphyotrichum ascendens (Lindl.) G.L. Nesom Native SYAS3

western aster · Asteraceae
Symphyotrichum boreale (Torr. & A. Gray) Á. Löve & D. Löve Native SYBO2

northern bog aster · Asteraceae
Symphyotrichum eatonii (A. Gray) G.L. Nesom Native SYEA2

Eaton's aster · Asteraceae
Symphyotrichum falcatum (Lindl.) G.L. Nesom Native SYFA

white prairie aster · Asteraceae
Symphyotrichum falcatum (Lindl.) G.L. Nesom var. falcatum Native SYFAF

white prairie aster · Asteraceae
Symphyotrichum foliaceum (Lindl. ex DC.) G.L. Nesom Native SYFO2

alpine leafybract aster · Asteraceae
Symphyotrichum foliaceum (Lindl. ex DC.) G.L. Nesom var. foliaceum Native SYFOF

alpine leafybract aster · Asteraceae
Symphyotrichum laeve (L.) Á. Löve & D. Löve Native SYLA3

smooth blue aster · Asteraceae
Symphyotrichum laeve (L.) Á. Löve & D. Löve var. geyeri (A. Gray) G.L. Nesom Native SYLAG

Geyer's aster · Asteraceae
Symphyotrichum lanceolatum (Willd.) G.L. Nesom Native SYLA6

white panicle aster · Asteraceae
Symphyotrichum lanceolatum (Willd.) G.L. Nesom ssp. hesperium (A. Gray) G.L. Nesom Native SYLAH

white panicle aster · Asteraceae
Symphyotrichum lanceolatum (Willd.) G.L. Nesom ssp. hesperium (A. Gray) G.L. Nesom var. hesperium Native SYLAH6

white panicle aster · Asteraceae
Symphyotrichum spathulatum (Lindl.) G.L. Nesom Native SYSP

western mountain aster · Asteraceae
Symphyotrichum spathulatum (Lindl.) G.L. Nesom var. spathulatum Native SYSPS

western mountain aster · Asteraceae
Symphyotrichum subspicatum (Nees) G.L. Nesom Native SYSU4

Douglas aster · Asteraceae
Symphyotrichum subspicatum (Nees) G.L. Nesom var. subspicatum Native SYSUS

Douglas aster · Asteraceae
Symphytum officinale L. Introduced SYOF

common comfrey · Boraginaceae
Synthyris pinnatifida S. Watson Native SYPI

featherleaf kittentails · Scrophulariaceae
Tanacetum balsamita L. Introduced TABA

costmary · Asteraceae
Tanacetum vulgare L. Introduced TAVU

common tansy · Asteraceae
Taraxacum laevigatum (Willd.) DC. Introduced TALA2

rock dandelion · Asteraceae
Taraxacum officinale F.H. Wigg. Both TAOF

common dandelion · Asteraceae
Tetradymia canescens DC. Native TECA2

spineless horsebrush · Asteraceae
Tetraneuris acaulis (Pursh) Greene Native TEAC

stemless four-nerve daisy · Asteraceae
Tetraneuris acaulis (Pursh) Greene var. acaulis Native TEACA2

stemless four-nerve daisy · Asteraceae
Tetraneuris grandiflora (Torr. & A. Gray ex A. Gray) K.F. Parker Native TEGR3

graylocks four-nerve daisy · Asteraceae
Thalictrum dasycarpum Fisch. & Avé-Lall. Native THDA

purple meadow-rue · Ranunculaceae
Thalictrum occidentale A. Gray Native THOC

western meadow-rue · Ranunculaceae
Thalictrum occidentale A. Gray var. occidentale Native THOCO2

western meadow-rue · Ranunculaceae
Thalictrum venulosum Trel. Native THVE

veiny meadow-rue · Ranunculaceae
Thelesperma subnudum A. Gray Native THSU

Navajo tea · Asteraceae
Thelesperma subnudum A. Gray var. marginatum (Rydb.) T.E. Melchert ex Cronquist Native THSUM

Navajo tea · Asteraceae
Thellungiella salsuginea (Pall.) O.E. Schulz Native THSA

saltwater cress · Brassicaceae
Thelypodium integrifolium (Nutt.) Endl. ex Walp. Native THIN

entireleaved thelypody · Brassicaceae
Thelypodium integrifolium (Nutt.) Endl. ex Walp. ssp. integrifolium Native THINI

entireleaved thelypody · Brassicaceae
Thermopsis montana Nutt. Native THMO6

mountain goldenbanner · Fabaceae
Thermopsis montana Nutt. var. montana Native THMOM3

mountain goldenbanner · Fabaceae
Thermopsis rhombifolia (Nutt. ex Pursh) Nutt. ex Richardson Native THRH

prairie thermopsis · Fabaceae
Thlaspi arvense L. Introduced THAR5

field pennycress · Brassicaceae
Townsendia exscapa (Richardson) Porter Native TOEX2

stemless Townsend daisy · Asteraceae
Townsendia hookeri Beaman Native TOHO

Hooker's Townsend daisy · Asteraceae
Townsendia parryi D.C. Eaton Native TOPA2

Parry's Townsend daisy · Asteraceae
Toxicodendron rydbergii (Small ex Rydb.) Greene Native TORY

western poison ivy · Anacardiaceae
Tragopogon dubius Scop. Introduced TRDU

yellow salsify · Asteraceae
Tragopogon porrifolius L. Introduced TRPO

salsify · Asteraceae
Tragopogon pratensis L. Introduced TRPR

Jack-go-to-bed-at-noon · Asteraceae
Triantha occidentalis (S. Watson) Gates Native TROC7

western false asphodel · Liliaceae
Triantha occidentalis (S. Watson) Gates ssp. montana (C.L. Hitchc.) Packer Native TROCM2

sticky tofieldia · Liliaceae
Trifolium aureum Pollich Introduced TRAU2

golden clover · Fabaceae
Trifolium campestre Schreb. Introduced TRCA5

field clover · Fabaceae
Trifolium dasyphyllum Torr. & A. Gray Native TRDA2

alpine clover · Fabaceae
Trifolium dasyphyllum Torr. & A. Gray ssp. uintense (Rydb.) J.M. Gillett Native TRDAU

Uinta clover · Fabaceae
Trifolium dubium Sibth. Introduced TRDU2

suckling clover · Fabaceae
Trifolium fragiferum L. Introduced TRFR2

strawberry clover · Fabaceae
Trifolium gymnocarpon Nutt. Native TRGY

hollyleaf clover · Fabaceae
Trifolium gymnocarpon Nutt. ssp. plummerae (S. Watson) J.M. Gillett Native TRGYP2

Plummer's clover · Fabaceae
Trifolium haydenii Porter Native TRHA

Hayden's clover · Fabaceae
Trifolium hybridum L. Introduced TRHY

alsike clover · Fabaceae
Trifolium longipes Nutt. Native TRLO

longstalk clover · Fabaceae
Trifolium longipes Nutt. ssp. reflexum (A. Nelson) J.M. Gillett Native TRLOR3

droopflower clover · Fabaceae
Trifolium nanum Torr. Native TRNA2

dwarf clover · Fabaceae
Trifolium parryi A. Gray Native TRPA5

Parry's clover · Fabaceae
Trifolium parryi A. Gray ssp. montanense (Rydb.) J.M. Gillett Native TRPAM

Parry's clover · Fabaceae
Trifolium pratense L. Introduced TRPR2

red clover · Fabaceae
Trifolium repens L. Introduced TRRE3

white clover · Fabaceae
Triglochin palustris L. Native TRPA28

marsh arrowgrass · Juncaginaceae
Trillium ovatum Pursh Native TROV2

Pacific trillium · Liliaceae
Trillium ovatum Pursh ssp. ovatum Native TROVO2

Pacific trillium · Liliaceae
Triteleia grandiflora Lindl. Native TRGR7

largeflower triteleia · Liliaceae
Triteleia grandiflora Lindl. var. grandiflora Native TRGRG2

largeflower triteleia · Liliaceae
Trollius laxus Salisb. Native TRLA14

American globeflower · Ranunculaceae
Trollius laxus Salisb. ssp. albiflorus (A. Gray) Á. Löve & D. Löve & Kapoor Native TRLAA2

American globeflower · Ranunculaceae
Typha latifolia L. Native TYLA

broadleaf cattail · Typhaceae
Ulmus americana L. Native ULAM

American elm · Ulmaceae
Urtica dioica L. Both URDI

stinging nettle · Urticaceae
Utricularia macrorhiza Leconte Native UTMA

common bladderwort · Lentibulariaceae
Vaccaria hispanica (Mill.) Rauschert Introduced VAHI2

cow soapwort · Caryophyllaceae
Vaccinium membranaceum Douglas ex Torr. Native VAME

thinleaf huckleberry · Ericaceae
Vaccinium myrtillus L. Native VAMY2

whortleberry · Ericaceae
Vaccinium scoparium Leiberg ex Coville Native VASC

grouse whortleberry · Ericaceae
Valeriana edulis Nutt. ex Torr. & A. Gray Native VAED

tobacco root · Valerianaceae
Valeriana edulis Nutt. ex Torr. & A. Gray var. edulis Native VAEDE

tobacco root · Valerianaceae
Valeriana occidentalis A. Heller Native VAOC2

western valerian · Valerianaceae
Valeriana sitchensis Bong. Native VASI

Sitka valerian · Valerianaceae
Veratrum californicum Durand Native VECA2

California false hellebore · Liliaceae
Veratrum californicum Durand var. californicum Native VECAC2

California false hellebore · Liliaceae
Verbascum thapsus L. Introduced VETH

common mullein · Scrophulariaceae
Verbena bracteata Cav. ex Lag. & Rodr. Native VEBR

bigbract verbena · Verbenaceae
Verbena hastata L. Native VEHA2

swamp verbena · Verbenaceae
Verbena hastata L. var. scabra Moldenke Native VEHAS

swamp verbena · Verbenaceae
Veronica americana Schwein. ex Benth. Native VEAM2

American speedwell · Scrophulariaceae
Veronica anagallis-aquatica L. Native VEAN2

water speedwell · Scrophulariaceae
Veronica biloba L. Introduced VEBI2

twolobe speedwell · Scrophulariaceae
Veronica peregrina L. Native VEPE2

neckweed · Scrophulariaceae
Veronica peregrina L. ssp. xalapensis (Kunth) Pennell Native VEPEX2

hairy purslane speedwell · Scrophulariaceae
Veronica persica Poir. Introduced VEPE3

birdeye speedwell · Scrophulariaceae
Veronica scutellata L. Native VESC2

skullcap speedwell · Scrophulariaceae
Veronica serpyllifolia L. Both VESE

thymeleaf speedwell · Scrophulariaceae
Veronica wormskjoldii Roem. & Schult. Native VEWO2

American alpine speedwell · Scrophulariaceae
Veronica wormskjoldii Roem. & Schult. var. wormskjoldii Native VEWOW

American alpine speedwell · Scrophulariaceae
Viburnum lantana L. Introduced VILA

wayfaringtree · Caprifoliaceae
Viburnum opulus L. Both VIOP

European cranberrybush · Caprifoliaceae
Viburnum opulus L. var. americanum Aiton Native VIOPA2

American cranberrybush · Caprifoliaceae
Vicia americana Muhl. ex Willd. Native VIAM

American vetch · Fabaceae
Vicia tetrasperma (L.) Schreb. Introduced VITE

lentil vetch · Fabaceae
Vicia villosa Roth Introduced VIVI

winter vetch · Fabaceae
Viola adunca Sm. Native VIAD

hookedspur violet · Violaceae
Viola adunca Sm. var. adunca Native VIADA

hookedspur violet · Violaceae
Viola arvensis Murray Introduced VIAR

European field pansy · Violaceae
Viola canadensis L. Native VICA4

Canadian white violet · Violaceae
Viola canadensis L. var. rugulosa (Greene) C.L. Hitchc. Native VICAR

creepingroot violet · Violaceae
Viola macloskeyi Lloyd Native VIMA2

small white violet · Violaceae
Viola macloskeyi Lloyd ssp. pallens (Banks ex Ging) M.S. Baker Native VIMAP3

smooth white violet · Violaceae
Viola nephrophylla Greene Native VINE

northern bog violet · Violaceae
Viola nuttallii Pursh Native VINU2

Nuttall's violet · Violaceae
Viola orbiculata Geyer ex Holz. Native VIOR

darkwoods violet · Violaceae
Viola palustris L. Native VIPA4

marsh violet · Violaceae
Viola purpurea Kellogg Native VIPU4

goosefoot violet · Violaceae
Viola purpurea Kellogg ssp. venosa (S. Watson) M.S. Baker & J.C. Clausen Native VIPUV2

goosefoot violet · Violaceae
Viola septentrionalis Greene Native VISE5

northern woodland violet · Violaceae
Wyethia amplexicaulis (Nutt.) Nutt. Native WYAM

mule-ears · Asteraceae
Wyethia helianthoides Nutt. Native WYHE2

sunflower mule-ears · Asteraceae
Xanthium strumarium L. Native XAST

rough cocklebur · Asteraceae
Xanthium strumarium L. var. canadense (Mill.) Torr. & A. Gray Native XASTC

Canada cocklebur · Asteraceae
Yucca glauca Nutt. Native YUGL

soapweed yucca · Agavaceae
Yucca glauca Nutt. var. glauca Native YUGLG2

soapweed yucca · Agavaceae
Zigadenus elegans Pursh Native ZIEL2

mountain deathcamas · Liliaceae
Zigadenus elegans Pursh ssp. elegans Native ZIELE

mountain deathcamas · Liliaceae
Zigadenus paniculatus (Nutt.) S. Watson Native ZIPA2

foothill deathcamas · Liliaceae
Zigadenus venenosus S. Watson Native ZIVE

meadow deathcamas · Liliaceae
Zigadenus venenosus S. Watson var. gramineus (Rydb.) Walsh ex M. Peck Native ZIVEG

grassy deathcamas · Liliaceae
Zizia aptera (A. Gray) Fernald Native ZIAP

meadow zizia · Apiaceae