Flathead County

Montana

FIPS: 30029
Taxa recorded: 922
Of which native: 672
Introduced: 232

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Showing 922 of 922.

Abies grandis (Douglas ex D. Don) Lindl. Native ABGR

grand fir · Pinaceae
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 platanoides L. Introduced ACPL

Norway maple · Aceraceae
Achillea millefolium L. Both ACMI2

common yarrow · Asteraceae
Achillea nobilis L. Introduced ACNO

noble yarrow · Asteraceae
Achillea ptarmica L. Introduced ACPT

sneezeweed · Asteraceae
Acroptilon repens (L.) DC. Introduced ACRE3

hardheads · Asteraceae
Adenocaulon bicolor Hook. Native ADBI

American trailplant · Asteraceae
Agoseris aurantiaca (Hook.) Greene Native AGAU2

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

pale agoseris · Asteraceae
Agropyron cristatum (L.) Gaertn. Introduced AGCR

crested wheatgrass · Poaceae
Agropyron cristatum (L.) Gaertn. ssp. pectinatum (M. Bieb.) Tzvelev Introduced AGCRP8

crested wheatgrass · Poaceae
Agrostemma githago L. Introduced AGGI

common corncockle · Caryophyllaceae
Agrostis stolonifera L. Introduced AGST2

creeping bentgrass · Poaceae
Alisma triviale Pursh Native ALTR7

northern water plantain · Alismataceae
Allium cernuum Roth Native ALCE2

nodding onion · Liliaceae
Allium schoenoprasum L. Both ALSC

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

wild chives · Liliaceae
Alnus incana (L.) Moench Native ALIN2

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

thinleaf 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 hybridus L. Native AMHY

slim amaranth · Amaranthaceae
Amaranthus retroflexus L. Native AMRE

redroot amaranth · Amaranthaceae
Ambrosia artemisiifolia L. Both AMAR2

annual ragweed · Asteraceae
Ambrosia artemisiifolia L. var. elatior (L.) Descourtils Introduced AMARE

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

Saskatoon serviceberry · Rosaceae
Anaphalis margaritacea (L.) Benth. Native ANMA

western pearly everlasting · Asteraceae
Anchusa officinalis L. Introduced ANOF

common bugloss · Boraginaceae
Anemone cylindrica A. Gray Native ANCY

candle anemone · Ranunculaceae
Anemone multifida Poir. Native ANMU

Pacific anemone · Ranunculaceae
Angelica arguta Nutt. Native ANAR3

Lyall's angelica · Apiaceae
Antennaria alpina (L.) Gaertn. Native ANAL4

alpine pussytoes · Asteraceae
Antennaria dimorpha (Nutt.) Torr. & A. Gray Native ANDI2

low pussytoes · Asteraceae
Antennaria luzuloides Torr. & A. Gray Native ANLU2

rush pussytoes · Asteraceae
Antennaria luzuloides Torr. & A. Gray ssp. luzuloides Native ANLUL

rush pussytoes · Asteraceae
Antennaria neglecta Greene Native ANNE

field pussytoes · Asteraceae
Antennaria parvifolia Nutt. Native ANPA4

small-leaf pussytoes · Asteraceae
Antennaria racemosa Hook. Native ANRA

raceme pussytoes · Asteraceae
Antennaria rosea Greene Native ANRO2

rosy pussytoes · Asteraceae
Anthemis cotula L. Introduced ANCO2

stinking chamomile · Asteraceae
Apera interrupta (L.) P. Beauv. Introduced APIN

dense silkybent · Poaceae
Apocynum androsaemifolium L. Native APAN2

spreading dogbane · Apocynaceae
Apocynum ×floribundum Greene (pro sp.) [androsaemifolium × cannabinum] Native APFL

Apocynaceae
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
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 holboellii Hornem. Native ARHO2

Holboell's rockcress · Brassicaceae
Arabis nuttallii B.L. Rob. Native ARNU

Nuttall's rockcress · Brassicaceae
Aralia nudicaulis L. Native ARNU2

wild sarsaparilla · Araliaceae
Arceuthobium laricis (Piper) H. St. John Native ARLA11

larch 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 capillaris Poir. Native ARCA7

slender mountain sandwort · Caryophyllaceae
Arenaria capillaris Poir. ssp. americana Maguire Native ARCAA

fescue sandwort · Caryophyllaceae
Arenaria congesta Nutt. Native ARCO5

ballhead sandwort · Caryophyllaceae
Arenaria serpyllifolia L. Introduced ARSE2

thymeleaf sandwort · Caryophyllaceae
Arnica amplexicaulis Nutt. Native ARAM2

clasping arnica · Asteraceae
Arnica cordifolia Hook. Native ARCO9

heartleaf arnica · Asteraceae
Arnica latifolia Bong. Native ARLA8

broadleaf arnica · Asteraceae
Arnica rydbergii Greene Native ARRY

Rydberg's arnica · Asteraceae
Arnica sororia Greene Native ARSO2

twin arnica · Asteraceae
Arnica ×diversifolia Greene (pro sp.) [amplexicaulis or mollis × cordifolia or latifolia] Native ARDI7

rayless 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 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 frigida Willd. Native ARFR4

prairie sagewort · Asteraceae
Artemisia lindleyana Besser Native ARLI2

Columbia River wormwood · Asteraceae
Artemisia ludoviciana Nutt. Both ARLU

white sagebrush · Asteraceae
Artemisia michauxiana Besser Native ARMI4

Michaux's wormwood · Asteraceae
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 australis (L.) Lam. Native ASAU4

Indian milkvetch · Fabaceae
Astragalus bourgovii A. Gray Native ASBO3

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

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

Drummond's milkvetch · Fabaceae
Astragalus miser Douglas ex Hook. Native ASMI9

timber milkvetch · Fabaceae
Astragalus pectinatus (Douglas ex Hook.) Douglas ex G. Don Native ASPE5

narrowleaf 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 hortensis L. Introduced ATHO

garden orache · Chenopodiaceae
Atriplex micrantha Ledeb. Introduced ATMI2

twoscale saltbush · Chenopodiaceae
Atriplex patula L. Introduced ATPA4

spear saltbush · Chenopodiaceae
Avena fatua L. Introduced AVFA

wild oat · Poaceae
Balsamorhiza sagittata (Pursh) Nutt. Native BASA3

arrowleaf balsamroot · Asteraceae
Barbarea vulgaris W.T. Aiton Introduced BAVU

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

burningbush · Chenopodiaceae
Berberis vulgaris L. Introduced BEVU

common barberry · Berberidaceae
Berteroa incana (L.) DC. Introduced BEIN2

hoary alyssum · Brassicaceae
Besseya wyomingensis (A. Nelson) Rydb. Native BEWY

Wyoming besseya · Scrophulariaceae
Betula nana L. Native BENA

dwarf birch · Betulaceae
Betula occidentalis Hook. Native BEOC2

water birch · Betulaceae
Betula papyrifera Marshall Native BEPA

paper birch · Betulaceae
Betula papyrifera Marshall var. papyrifera Native BEPAP

paper birch · Betulaceae
Brassica nigra (L.) W.D.J. Koch Introduced BRNI

black mustard · Brassicaceae
Bromus arvensis L. Introduced BRAR5

field brome · Poaceae
Bromus hordeaceus L. Introduced BRHO2

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

soft brome · Poaceae
Bromus racemosus L. Introduced BRRA2

bald 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
Butomus umbellatus L. Introduced BUUM

flowering rush · Butomaceae
Callitriche hermaphroditica L. Native CAHE2

northern water-starwort · Callitrichaceae
Callitriche stenoptera Lansdown Native CAST11

narrow-wing water-starwort · Callitrichaceae
Calochortus eurycarpus S. Watson Native CAEU

white mariposa lily · Liliaceae
Calochortus macrocarpus Douglas Native CAMA5

sagebrush mariposa lily · Liliaceae
Calochortus macrocarpus Douglas var. macrocarpus Native CAMAM9

sagebrush mariposa lily · Liliaceae
Calochortus nuttallii Torr. & A. Gray Native CANU3

sego lily · 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
Campanula glomerata L. Introduced CAGL2

Dane's blood · Campanulaceae
Campanula medium L. Introduced CAME20

Canterbury bells · 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
Cardamine breweri S. Watson Native CABR6

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

little western bittercress · Brassicaceae
Cardaria draba (L.) Desv. Introduced CADR

whitetop · Brassicaceae
Carduus acanthoides L. Introduced CAAC

spiny plumeless thistle · Asteraceae
Carduus nutans L. Introduced CANU4

nodding plumeless thistle · Asteraceae
Carex aperta Boott Native CAAP3

Columbian sedge · Cyperaceae
Carex arcta Boott Native CAAR2

northern cluster sedge · Cyperaceae
Carex bebbii Olney ex Fernald Native CABE2

Bebb's sedge · Cyperaceae
Carex buxbaumii Wahlenb. Native CABU6

Buxbaum's sedge · Cyperaceae
Carex cusickii Mack. ex Piper & Beattie Native CACU5

Cusick's sedge · Cyperaceae
Carex diandra Schrank Native CADI4

lesser panicled sedge · Cyperaceae
Carex engelmannii L.H. Bailey Native CAEN3

Engelmann's sedge · Cyperaceae
Carex flava L. Native CAFL4

yellow sedge · Cyperaceae
Carex glacialis Mack. Native CAGL3

glacial sedge · Cyperaceae
Carex hoodii Boott Native CAHO5

Hood's sedge · Cyperaceae
Carex infirminervia Naczi Native CAIN7

weak-nerved sedge · Cyperaceae
Carex interior L.H. Bailey Native CAIN11

inland sedge · Cyperaceae
Carex laeviculmis Meinsh. Native CALA13

smoothstem sedge · Cyperaceae
Carex lasiocarpa Ehrh. Native CALA11

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

American woollyfruit sedge · Cyperaceae
Carex leptalea Wahlenb. Native CALE10

bristlystalked sedge · Cyperaceae
Carex leptalea Wahlenb. ssp. leptalea Native CALEL4

bristlystalked sedge · Cyperaceae
Carex limosa L. Native CALI7

mud sedge · Cyperaceae
Carex microptera Mack. Native CAMI7

smallwing sedge · Cyperaceae
Carex nebrascensis Dewey Native CANE2

Nebraska sedge · Cyperaceae
Carex pachystachya Cham. ex Steud. Native CAPA14

chamisso sedge · Cyperaceae
Carex pellita Muhl. ex Willd. Native CAPE42

woolly sedge · Cyperaceae
Carex petasata Dewey Native CAPE7

Liddon sedge · Cyperaceae
Carex phaeocephala Piper Native CAPH2

dunhead 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 retrorsa Schwein. Native CARE4

knotsheath sedge · Cyperaceae
Carex rossii Boott Native CARO5

Ross' sedge · Cyperaceae
Carex rostrata Stokes Native CARO6

beaked sedge · Cyperaceae
Carex sartwellii Dewey Native CASA8

Sartwell's sedge · Cyperaceae
Carex sartwellii Dewey var. sartwellii Native CASAS5

Sartwell's sedge · Cyperaceae
Carex siccata Dewey Native CASI12

dryspike 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 viridula Michx. Native CAVI5

little green sedge · Cyperaceae
Carex viridula Michx. ssp. viridula Native CAVIV

little green sedge · Cyperaceae
Carum carvi L. Introduced CACA19

caraway · Apiaceae
Cassiope tetragona (L.) D. Don Native CATE11

white arctic mountain heather · Ericaceae
Cassiope tetragona (L.) D. Don var. saximontana (Small) C.L. Hitchc. Native CATES2

white arctic mountain heather · Ericaceae
Castilleja cervina Greenm. Native CACE4

deer Indian paintbrush · Scrophulariaceae
Castilleja hispida Benth. Native CAHI9

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

stiff yellow Indian paintbrush · Scrophulariaceae
Ceanothus sanguineus Pursh Native CESA

redstem ceanothus · Rhamnaceae
Centaurea cyanus L. Introduced CECY2

garden cornflower · Asteraceae
Centaurea diffusa Lam. Introduced CEDI3

diffuse knapweed · Asteraceae
Centaurea jacea L. Introduced CEJA

brownray knapweed · 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 glomeratum Thuill. Introduced CEGL2

sticky chickweed · Caryophyllaceae
Chaenorhinum minus (L.) Lange Introduced CHMI

dwarf snapdragon · Scrophulariaceae
Chamaesyce glyptosperma (Engelm.) Small Native CHGL13

ribseed 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 murale L. Introduced CHMU2

nettleleaf 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
Chondrilla juncea L. Introduced CHJU

rush skeletonweed · Asteraceae
Chorispora tenella (Pall.) DC. Introduced CHTE2

crossflower · Brassicaceae
Cicuta bulbifera L. Native CIBU

bulblet-bearing water hemlock · Apiaceae
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 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
Clarkia pulchella Pursh Native CLPU

pinkfairies · Onagraceae
Claytonia lanceolata Pall. ex Pursh Native CLLA2

lanceleaf 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 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
Collomia tinctoria Kellogg Native COTI2

staining collomia · Polemoniaceae
Comarum palustre L. Native COPA28

purple marshlocks · Rosaceae
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 striata Lindl. Native COST19

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

hooded coralroot · Orchidaceae
Cornus canadensis L. Native COCA13

bunchberry dogwood · Cornaceae
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
Corydalis sempervirens (L.) Pers. Native COSE5

rock harlequin · Fumariaceae
Crataegus douglasii Lindl. Native CRDO2

black hawthorn · Rosaceae
Crepis elegans Hook. Native CREL

elegant hawksbeard · Asteraceae
Crepis nana Richardson Native CRNA

dwarf alpine hawksbeard · Asteraceae
Crepis nana Richardson ssp. nana Native CRNAN

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

fiddleleaf hawksbeard · Asteraceae
Crepis tectorum L. Introduced CRTE3

narrowleaf hawksbeard · Asteraceae
Cynoglossum officinale L. Introduced CYOF

gypsyflower · Boraginaceae
Dactylis glomerata L. Introduced DAGL

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

orchardgrass · Poaceae
Dasiphora fruticosa (L.) Rydb. Native DAFR6

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

shrubby cinquefoil · Rosaceae
Delphinium bicolor Nutt. Native DEBI

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

twolobe larkspur · Ranunculaceae
Descurainia sophia (L.) Webb ex Prantl Introduced DESO2

herb sophia · Brassicaceae
Dianthus armeria L. Introduced DIAR

Deptford pink · Caryophyllaceae
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 verna L. Introduced DRVE2

spring draba · Brassicaceae
Dracocephalum parviflorum Nutt. Native DRPA2

American dragonhead · Lamiaceae
Dracocephalum thymiflorum L. Introduced DRTH

thymeleaf dragonhead · Lamiaceae
Drosera anglica Huds. Native DRAN

English sundew · Droseraceae
Drosera rotundifolia L. Native DRRO

roundleaf sundew · Droseraceae
Drosera rotundifolia L. var. rotundifolia Native DRROR

roundleaf sundew · Droseraceae
Dryas drummondii Richardson ex Hook. Native DRDR

Drummond's mountain-avens · Rosaceae
Dryas drummondii Richardson ex Hook. var. drummondii Native DRDRD

Drummond's mountain-avens · Rosaceae
Dryas octopetala L. Native DROC

eightpetal mountain-avens · Rosaceae
Dulichium arundinaceum (L.) Britton Native DUAR3

three-way sedge · Cyperaceae
Dulichium arundinaceum (L.) Britton var. arundinaceum Native DUARA

three-way sedge · Cyperaceae
Dysphania botrys (L.) Mosyakin & Clemants Introduced DYBO

Jerusalem oak goosefoot · Chenopodiaceae
Echium vulgare L. Introduced ECVU

common viper's bugloss · Boraginaceae
Elaeagnus commutata Bernh. ex Rydb. Native ELCO

silverberry · Elaeagnaceae
Eleocharis acicularis (L.) Roem. & Schult. Native ELAC

needle spikerush · Cyperaceae
Eleocharis acicularis (L.) Roem. & Schult. var. acicularis Native ELACA

needle spikerush · Cyperaceae
Eleocharis elliptica Kunth Native ELEL4

elliptic spikerush · Cyperaceae
Eleocharis palustris (L.) Roem. & Schult. Native ELPA3

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

common spikerush · Cyperaceae
Elodea nuttallii (Planch.) H. St. John Native ELNU2

western waterweed · Hydrocharitaceae
Elymus alaskanus (Scribn. & Merr.) Á. Löve Native ELAL5

Alaskan wheatgrass · Poaceae
Elymus alaskanus (Scribn. & Merr.) Á. Löve ssp. latiglumis (Scribn. & J.G. Sm.) Á. Löve Native ELALL

Alaskan wheatgrass · Poaceae
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
Epipactis gigantea Douglas ex Hook. Native EPGI

stream orchid · Orchidaceae
Erigeron acris L. Native ERAC2

bitter fleabane · Asteraceae
Erigeron compositus Pursh Native ERCO4

cutleaf daisy · Asteraceae
Erigeron corymbosus Nutt. Native ERCO5

longleaf fleabane · Asteraceae
Erigeron filifolius (Hook.) Nutt. Native ERFI2

threadleaf fleabane · Asteraceae
Erigeron filifolius (Hook.) Nutt. var. filifolius Native ERFIF

threadleaf fleabane · Asteraceae
Erigeron glabellus Nutt. Native ERGL2

streamside 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 speciosus (Lindl.) DC. Native ERSP4

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

prairie fleabane · Asteraceae
Eriogonum flavum Nutt. Native ERFL4

alpine golden buckwheat · Polygonaceae
Eriogonum heracleoides Nutt. Native ERHE2

parsnipflower buckwheat · Polygonaceae
Eriogonum heracleoides Nutt. var. heracleoides Native ERHEH3

parsnipflower 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
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
Eruca vesicaria (L.) Cav. Introduced ERVE5

rocketsalad · Brassicaceae
Eruca vesicaria (L.) Cav. ssp. sativa (Mill.) Thell. Introduced ERVES

rocketsalad · Brassicaceae
Erucastrum gallicum (Willd.) O.E. Schulz Introduced ERGA

common dogmustard · Brassicaceae
Erysimum cheiranthoides L. Introduced ERCH9

wormseed wallflower · Brassicaceae
Erysimum repandum L. Introduced ERRE4

spreading wallflower · Brassicaceae
Erythronium grandiflorum Pursh Native ERGR9

yellow avalanche-lily · Liliaceae
Eucephalus engelmannii (D.C. Eaton) Greene Native EUEN

Engelmann's aster · Asteraceae
Euphorbia cyparissias L. Introduced EUCY2

cypress spurge · Euphorbiaceae
Euphorbia esula L. Introduced EUES

leafy spurge · Euphorbiaceae
Euphorbia helioscopia L. Introduced EUHE2

madwoman's milk · Euphorbiaceae
Eurybia conspicua (Lindl.) G.L. Nesom Native EUCO36

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

thickstem aster · Asteraceae
Eurybia sibirica (L.) G.L. Nesom Native EUSI13

arctic aster · Asteraceae
Festuca rubra L. Both FERU2

red fescue · Poaceae
Festuca viviparoidea Krajina ex Pavlick Native FEVI4

northern fescue · Poaceae
Festuca viviparoidea Krajina ex Pavlick ssp. krajinae Frederiksen Native FEVIK2

northern 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
Frangula purshiana (DC.) A. Gray Native FRPU7

Cascara buckthorn · Rhamnaceae
Frangula purshiana (DC.) A. Gray ssp. purshiana Native FRPUP

Cascara buckthorn · Rhamnaceae
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
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 palustre L. Native GAPA3

common marsh bedstraw · Rubiaceae
Galium trifidum L. Native GATR2

threepetal bedstraw · Rubiaceae
Gentiana calycosa Griseb. Native GECA

Rainier pleated gentian · Gentianaceae
Geranium bicknellii Britton Native GEBI2

Bicknell's cranesbill · 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 triflorum Pursh Native GETR

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

ground ivy · Lamiaceae
Glycyrrhiza lepidota Pursh Native GLLE3

American licorice · Fabaceae
Goodyera oblongifolia Raf. Native GOOB2

western rattlesnake plantain · Orchidaceae
Gratiola neglecta Torr. Native GRNE

clammy hedgehyssop · Scrophulariaceae
Grindelia squarrosa (Pursh) Dunal Native GRSQ

curlycup gumweed · Asteraceae
Gypsophila paniculata L. Introduced GYPA

baby's breath · Caryophyllaceae
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
Halenia deflexa (Sm.) Griseb. Native HADE2

American spurred gentian · Gentianaceae
Halenia deflexa (Sm.) Griseb. ssp. deflexa Native HADED2

American spurred gentian · Gentianaceae
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
Helianthus annuus L. Native HEAN3

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

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

cheerful sunflower · Asteraceae
Heracleum maximum W. Bartram Native HEMA80

common cowparsnip · Apiaceae
Hesperis matronalis L. Introduced HEMA3

dames rocket · Brassicaceae
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 grossulariifolia Rydb. Native HEGR8

gooseberryleaf alumroot · Saxifragaceae
Heuchera grossulariifolia Rydb. var. grossulariifolia Native HEGRG

gooseberryleaf alumroot · Saxifragaceae
Hieracium albiflorum Hook. Native HIAL2

white hawkweed · Asteraceae
Hieracium aurantiacum L. Introduced HIAU

orange hawkweed · Asteraceae
Hieracium caespitosum Dumort. Introduced HICA10

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

houndstongue hawkweed · Asteraceae
Hieracium piloselloides Vill. Introduced HIPI2

tall hawkweed · Asteraceae
Hieracium umbellatum L. Native HIUM

narrowleaf hawkweed · Asteraceae
Hippuris vulgaris L. Native HIVU2

common mare's-tail · Hippuridaceae
Holcus lanatus L. Introduced HOLA

common velvetgrass · Poaceae
Holodiscus discolor (Pursh) Maxim. Native HODI

oceanspray · Rosaceae
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
Hyssopus officinalis L. Introduced HYOF

hyssop · Lamiaceae
Iliamna rivularis (Douglas ex Hook.) Greene Native ILRI

streambank wild hollyhock · Malvaceae
Ionactis stenomeres (A. Gray) Greene Native IOST

Rocky Mountain aster · Asteraceae
Juncus alpinoarticulatus Chaix Native JUAL4

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

northern green rush · Juncaceae
Juncus drummondii E. Mey. Native JUDR

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

swordleaf 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 tenuis Willd. Native JUTE

poverty rush · Juncaceae
Juniperus communis L. Native JUCO6

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

common juniper · Cupressaceae
Kalmia polifolia Wangenh. Native KAPO

bog laurel · Ericaceae
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
Lappula squarrosa (Retz.) Dumort. Introduced LASQ

European stickseed · Boraginaceae
Larix occidentalis Nutt. Native LAOC

western larch · Pinaceae
Lathyrus bijugatus T.G. White Native LABI2

drypark pea · Fabaceae
Lathyrus ochroleucus Hook. Native LAOC2

cream pea · Fabaceae
Ledum glandulosum Nutt. Native LEGL

western Labrador tea · Ericaceae
Lepidium campestre (L.) W.T. Aiton Introduced LECA5

field pepperweed · Brassicaceae
Lepidium densiflorum Schrad. Both LEDE

common pepperweed · Brassicaceae
Lepidium perfoliatum L. Introduced LEPE2

clasping pepperweed · Brassicaceae
Leptarrhena pyrolifolia (D. Don) R. Br. ex Ser. Native LEPY

fireleaf leptarrhena · Saxifragaceae
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
Lewisia triphylla (S. Watson) B.L. Rob. Native LETR2

threeleaf lewisia · Portulacaceae
Lilaea scilloides (Poir.) Hauman Native LISC4

awl-leaf lilaea · Juncaginaceae
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
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 tenellum Nutt. Native LITE4

slender woodland-star · Saxifragaceae
Lithospermum ruderale Douglas ex Lehm. Native LIRU4

western stoneseed · Boraginaceae
Lobelia kalmii L. Native LOKA

Ontario lobelia · Campanulaceae
Logfia arvensis (L.) Holub Introduced LOAR5

field cottonrose · Asteraceae
Lomatium dissectum (Nutt.) Mathias & Constance Native LODI

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

carrotleaf biscuitroot · Apiaceae
Lomatium sandbergii (J.M. Coult. & Rose) J.M. Coult. & Rose Native LOSA3

Sandberg's 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
Lonicera ciliosa (Pursh) Poir. ex DC. Native LOCI3

orange honeysuckle · Caprifoliaceae
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 utahensis S. Watson Native LOUT2

Utah honeysuckle · Caprifoliaceae
Lotus corniculatus L. Introduced LOCO6

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

bird's-foot trefoil · Fabaceae
Luetkea pectinata (Pursh) Kuntze Native LUPE

partridgefoot · Rosaceae
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 sericeus Pursh Native LUSE4

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

silky lupine · Fabaceae
Lychnis coronaria (L.) Desr. Introduced LYCO

rose campion · Caryophyllaceae
Lycopus uniflorus Michx. Native LYUN

northern bugleweed · Lamiaceae
Lycopus uniflorus Michx. var. uniflorus Native LYUNU2

northern bugleweed · Lamiaceae
Lysimachia ciliata L. Native LYCI

fringed loosestrife · Primulaceae
Lysimachia thyrsiflora L. Native LYTH2

tufted loosestrife · Primulaceae
Lythrum salicaria L. Introduced LYSA2

purple loosestrife · Lythraceae
Madia glomerata Hook. Native MAGL2

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

creeping barberry · Berberidaceae
Maianthemum stellatum (L.) Link Native MAST4

starry false lily of the valley · Liliaceae
Malva neglecta Wallr. Introduced MANE

common mallow · Malvaceae
Malva parviflora L. Introduced MAPA5

cheeseweed mallow · Malvaceae
Matricaria discoidea DC. Introduced MADI6

disc mayweed · Asteraceae
Medicago lupulina L. Introduced MELU

black medick · 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
Mentha spicata L. Introduced MESP3

spearmint · Lamiaceae
Mentzelia dispersa S. Watson Native MEDI

bushy blazingstar · Loasaceae
Menyanthes trifoliata L. Native METR3

buckbean · Menyanthaceae
Menziesia ferruginea Sm. Native MEFE

rusty menziesia · Ericaceae
Mertensia longiflora Greene Native MELO4

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

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

nodding microseris · Asteraceae
Mimulus floribundus Lindl. Native MIFL2

manyflowered monkeyflower · Scrophulariaceae
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 tilingii Regel Native MITI

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

Tiling's monkeyflower · Scrophulariaceae
Mitella breweri A. Gray Native MIBR6

Brewer's miterwort · Saxifragaceae
Mitella nuda L. Native MINU3

naked miterwort · Saxifragaceae
Mitella pentandra Hook. Native MIPE

fivestamen miterwort · Saxifragaceae
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
Montia linearis (Douglas ex Hook.) Greene Native MOLI4

narrowleaf minerslettuce · Portulacaceae
Montia parvifolia (Moc. ex DC.) Greene Native MOPA2

littleleaf minerslettuce · Portulacaceae
Montia parvifolia (Moc. ex DC.) Greene ssp. parvifolia Native MOPAP

littleleaf minerslettuce · Portulacaceae
Morus alba L. Introduced MOAL

white mulberry · Moraceae
Myosotis scorpioides L. Introduced MYSC

true forget-me-not · Boraginaceae
Myosotis stricta Link ex Roem. & Schult. Introduced MYST2

strict forget-me-not · Boraginaceae
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
Nepeta cataria L. Introduced NECA2

catnip · Lamiaceae
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 suffrutescens (Ser.) W.L. Wagner & Hoch Native OESU3

scarlet beeblossom · Onagraceae
Onobrychis viciifolia Scop. Introduced ONVI

sainfoin · Fabaceae
Onopordum acanthium L. Introduced ONAC

Scotch cottonthistle · Asteraceae
Oplopanax horridus (Sm.) Miq. Native OPHO

devilsclub · Araliaceae
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 uniflora L. Native ORUN

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

sidebells wintergreen · Pyrolaceae
Orthocarpus tenuifolius (Pursh) Benth. Native ORTE2

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

sweetcicely · 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 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 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 subnuda (DC.) D.K. Trock & T.M. Barkley Native PASU40

Buek's groundsel · Asteraceae
Panicum miliaceum L. Introduced PAMI2

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

broomcorn millet · Poaceae
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
Pastinaca sativa L. Introduced PASA2

wild parsnip · Apiaceae
Paxistima myrsinites (Pursh) Raf. Native PAMY

Oregon boxleaf · Celastraceae
Pedicularis bracteosa Benth. Native PEBR

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

Payson's lousewort · Scrophulariaceae
Pedicularis groenlandica Retz. Native PEGR2

elephanthead 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 albertinus Greene Native PEAL11

Alberta beardtongue · Scrophulariaceae
Penstemon albidus Nutt. Native PEAL2

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

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

rocky ledge penstemon · Scrophulariaceae
Penstemon eriantherus Pursh Native PEER

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

Lyall's 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 wilcoxii Rydb. Native PEWI

Wilcox's 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
Phacelia hastata Douglas ex Lehm. Native PHHA

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

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

threadleaf phacelia · Hydrophyllaceae
Phacelia lyallii (A. Gray) Rydb. Native PHLY2

alpine phacelia · Hydrophyllaceae
Phalaris aquatica L. Introduced PHAQ

bulbous canarygrass · Poaceae
Phalaris arundinacea L. Native PHAR3

reed canarygrass · Poaceae
Phleum pratense L. Introduced PHPR3

timothy · Poaceae
Phlox multiflora A. Nelson Native PHMU3

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

pink mountainheath · Ericaceae
Picea engelmannii Parry ex Engelm. Native PIEN

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

Engelmann spruce · 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 monticola Douglas ex D. Don Native PIMO3

western white pine · Pinaceae
Pinus ponderosa Lawson & C. Lawson Native PIPO

ponderosa pine · Pinaceae
Pinus ponderosa Lawson & C. Lawson var. ponderosa C. Lawson Native PIPOP

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

ponderosa pine · Pinaceae
Plantago canescens M.F. Adams Native PLCA3

gray pubescent 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
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 pulcherrimum Hook. Native POPU3

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

Jacob's-ladder · Polemoniaceae
Polygonum amphibium L. Native POAM8

water knotweed · 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 cuspidatum Siebold & Zucc. Introduced POCU6

Japanese knotweed · Polygonaceae
Polygonum douglasii Greene Native PODO4

Douglas' knotweed · Polygonaceae
Polygonum hydropiper L. Introduced POHY

marshpepper knotweed · Polygonaceae
Polygonum lapathifolium L. Native POLA4

curlytop knotweed · Polygonaceae
Polygonum minimum S. Watson Native POMI2

broadleaf knotweed · Polygonaceae
Polygonum persicaria L. Introduced POPE3

spotted ladysthumb · 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
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 gramineus L. Native POGR8

variableleaf pondweed · Potamogetonaceae
Potamogeton natans L. Native PONA4

floating pondweed · Potamogetonaceae
Potamogeton pusillus L. Native POPU7

small pondweed · Potamogetonaceae
Potamogeton zosteriformis Fernald Native POZO

flatstem pondweed · Potamogetonaceae
Potentilla argentea L. Introduced POAR8

silver cinquefoil · Rosaceae
Potentilla argentea L. var. argentea Introduced POARA3

silver cinquefoil · Rosaceae
Potentilla arguta Pursh Native POAR7

tall 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 recta L. Introduced PORE5

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

arrowleaf rattlesnakeroot · Asteraceae
Prosartes trachycarpa S. Watson Native PRTR4

roughfruit fairybells · Liliaceae
Prunus pensylvanica L. f. Native PRPE2

pin cherry · Rosaceae
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
Pseudolysimachion longifolium (L.) Opiz Introduced PSLO6

longleaf speedwell · Scrophulariaceae
Pterospora andromedea Nutt. Native PTAN2

woodland pinedrops · Monotropaceae
Pyrola asarifolia Michx. Native PYAS

liverleaf wintergreen · Pyrolaceae
Pyrola chlorantha Sw. Native PYCH

greenflowered wintergreen · Pyrolaceae
Pyrrocoma carthamoides Hook. Native PYCA3

largeflower goldenweed · Asteraceae
Pyrrocoma carthamoides Hook. var. carthamoides Native PYCAC2

largeflower goldenweed · Asteraceae
Ranunculus abortivus L. Native RAAB

littleleaf 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 arvensis L. Introduced RAAR3

corn 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 macounii Britton Native RAMA2

Macoun's buttercup · Ranunculaceae
Ranunculus pedatifidus Sm. Native RAPE

surefoot buttercup · Ranunculaceae
Ranunculus pedatifidus Sm. var. affinis (R. Br.) L.D. Benson Native RAPEA

northern buttercup · Ranunculaceae
Ranunculus pensylvanicus L. f. Native RAPE2

Pennsylvania buttercup · Ranunculaceae
Ranunculus repens L. Introduced RARE3

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

woodland buttercup · Ranunculaceae
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
Rhinanthus minor L. Native RHMI13

little yellow rattle · Scrophulariaceae
Rhinanthus minor L. ssp. minor Native RHMIM

little yellow rattle · Scrophulariaceae
Rhodiola integrifolia Raf. Native RHIN11

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

ledge stonecrop · Crassulaceae
Ribes cereum Douglas Native RICE

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

prickly currant · Grossulariaceae
Ribes viscosissimum Pursh Native RIVI3

sticky currant · Grossulariaceae
Rorippa curvipes Greene Native ROCU2

bluntleaf yellowcress · Brassicaceae
Rorippa palustris (L.) Besser Native ROPA2

bog yellowcress · Brassicaceae
Rosa acicularis Lindl. Native ROAC

prickly rose · Rosaceae
Rosa acicularis Lindl. ssp. sayi (Schwein.) W.H. Lewis Native ROACS

prickly rose · Rosaceae
Rosa arkansana Porter Native ROAR3

prairie rose · Rosaceae
Rosa arkansana Porter var. suffulta (Greene) Cockerell Native ROARS

prairie rose · Rosaceae
Rosa gymnocarpa Nutt. Native ROGY

dwarf rose · Rosaceae
Rosa gymnocarpa Nutt. var. gymnocarpa Native ROGYG

dwarf rose · Rosaceae
Rosa nutkana C. Presl Native RONU

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

bristly Nootka rose · Rosaceae
Rubus arcticus L. Native RUAR

arctic raspberry · Rosaceae
Rubus arcticus L. ssp. acaulis (Michx.) Focke Native RUARA2

dwarf raspberry · Rosaceae
Rubus idaeus L. Both RUID

American red raspberry · Rosaceae
Rubus leucodermis Douglas ex Torr. & A. Gray Native RULE

whitebark raspberry · Rosaceae
Rubus leucodermis Douglas ex Torr. & A. Gray var. leucodermis Native RULEL

whitebark raspberry · Rosaceae
Rubus parviflorus Nutt. Native RUPA

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

thimbleberry · Rosaceae
Rubus pedatus Sm. Native RUPE

strawberryleaf raspberry · Rosaceae
Rubus pubescens Raf. Native RUPU

dwarf red blackberry · Rosaceae
Rubus pubescens Raf. var. pubescens Native RUPUP2

dwarf red blackberry · Rosaceae
Rumex acetosa L. Both RUAC2

garden sorrel · Polygonaceae
Rumex acetosa L. ssp. acetosa Introduced RUACA

garden sorrel · Polygonaceae
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 maritimus L. Native RUMA4

golden 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 amygdaloides Andersson Native SAAM2

peachleaf willow · Salicaceae
Salix bebbiana Sarg. Native SABE2

Bebb willow · Salicaceae
Salix candida Flueggé ex Willd. Native SACA4

sageleaf willow · Salicaceae
Salix commutata Bebb Native SACO2

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

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

narrowleaf 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 pseudomonticola C.R. Ball Native SAPS

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

Scouler's willow · Salicaceae
Salix sitchensis Sanson ex Bong. Native SASI2

Sitka willow · Salicaceae
Salsola tragus L. Introduced SATR12

prickly Russian thistle · Chenopodiaceae
Sambucus nigra L. Both SANI4

black elderberry · Caprifoliaceae
Sambucus nigra L. ssp. cerulea (Raf.) R. Bolli Native SANIC5

blue elderberry · Caprifoliaceae
Sambucus racemosa L. Native SARA2

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

Rocky Mountain elder · Caprifoliaceae
Sanicula graveolens Poepp. ex DC. Native SAGR5

northern sanicle · Apiaceae
Sanicula marilandica L. Native SAMA2

Maryland sanicle · Apiaceae
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 ferruginea Graham Native SAFE

russethair saxifrage · Saxifragaceae
Saxifraga integrifolia Hook. Native SAIN4

wholeleaf saxifrage · Saxifragaceae
Saxifraga lyallii Engl. Native SALY3

redstem saxifrage · Saxifragaceae
Saxifraga lyallii Engl. ssp. lyallii Native SALYL

redstem saxifrage · Saxifragaceae
Saxifraga rhomboidea Greene Native SARH2

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

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

meadow fescue · Poaceae
Scleranthus annuus L. Introduced SCAN2

German knotgrass · Caryophyllaceae
Scolochloa festucacea (Willd.) Link Native SCFE

common rivergrass · Poaceae
Scutellaria galericulata L. Native SCGA

marsh skullcap · Lamiaceae
Secale cereale L. Introduced SECE

cereal rye · Poaceae
Sedum acre L. Introduced SEAC

goldmoss stonecrop · Crassulaceae
Sedum lanceolatum Torr. Native SELA

spearleaf stonecrop · Crassulaceae
Sedum stenopetalum Pursh Native SEST2

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

wormleaf stonecrop · Crassulaceae
Senecio hydrophiloides Rydb. Native SEHY

tall groundsel · Asteraceae
Senecio integerrimus Nutt. Native SEIN2

lambstongue ragwort · Asteraceae
Senecio jacobaea L. Introduced SEJA

stinking willie · Asteraceae
Senecio megacephalus Nutt. Native SEME

rocky ragwort · Asteraceae
Senecio serra Hook. Native SESE2

tall ragwort · Asteraceae
Senecio serra Hook. var. serra Native SESES

tall 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
Silene acaulis (L.) Jacq. Native SIAC

moss campion · Caryophyllaceae
Silene conoidea L. Introduced SICO4

weed silene · Caryophyllaceae
Silene csereii Baumg. Introduced SICS

Balkan catchfly · Caryophyllaceae
Silene dichotoma Ehrh. Introduced SIDI2

forked catchfly · Caryophyllaceae
Silene drummondii Hook. Native SIDR

Drummond's campion · Caryophyllaceae
Silene drummondii Hook. var. drummondii Native SIDRD

Drummond's campion · Caryophyllaceae
Silene latifolia Poir. Introduced SILA21

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

bladder campion · Caryophyllaceae
Silene menziesii Hook. Native SIME

Menzies' campion · Caryophyllaceae
Silene menziesii Hook. ssp. menziesii Native SIMEM

Menzies' campion · Caryophyllaceae
Silene noctiflora L. Introduced SINO

nightflowering silene · 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 spaldingii S. Watson Native SISP2

Spalding's silene · Caryophyllaceae
Silene vulgaris (Moench) Garcke Introduced SIVU

maidenstears · Caryophyllaceae
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
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
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
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 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
Sorbus aucuparia L. Introduced SOAU

European mountain ash · Rosaceae
Sorbus scopulina Greene Native SOSC2

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

Greene's mountain ash · Rosaceae
Sorbus sitchensis M. Roem. Native SOSI2

western mountain ash · Rosaceae
Sorbus sitchensis M. Roem. var. sitchensis Native SOSIS2

Sitka mountain ash · Rosaceae
Sparganium natans L. Native SPNA

small 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
Sphaerophysa salsula (Pall.) DC. Introduced SPSA3

alkali swainsonpea · Fabaceae
Spiraea lucida Douglas ex Greene Native SPLU5

shinyleaf spirea · Rosaceae
Spiraea splendens Baumann ex K. Koch Native SPSP2

rose meadowsweet · Rosaceae
Spiraea splendens Baumann ex K. Koch var. splendens Native SPSPS

rose meadowsweet · Rosaceae
Stachys pilosa Nutt. Native STPI6

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

hairy hedgenettle · Lamiaceae
Stellaria calycantha (Ledeb.) Bong. Native STCA

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

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

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

common chickweed · Caryophyllaceae
Stellaria nitens Nutt. Native STNI

shiny chickweed · Caryophyllaceae
Stellaria obtusa Engelm. Native STOB

Rocky Mountain chickweed · Caryophyllaceae
Stenanthium occidentale A. Gray Native STOC

western featherbells · Liliaceae
Stephanomeria minor (Hook.) Nutt. Native STMI13

lesser wirelettuce · Asteraceae
Stephanomeria minor (Hook.) Nutt. var. minor Native STMIM

narrowleaf wirelettuce · Asteraceae
Stuckenia pectinata (L.) Börner Native STPE15

sago pondweed · Potamogetonaceae
Suksdorfia violacea A. Gray Native SUVI

violet suksdorfia · Saxifragaceae
Symphoricarpos albus (L.) S.F. Blake Native SYAL

common snowberry · Caprifoliaceae
Symphoricarpos occidentalis Hook. Native SYOC

western snowberry · Caprifoliaceae
Symphyotrichum campestre (Nutt.) G.L. Nesom Native SYCA3

western meadow aster · Asteraceae
Symphyotrichum campestre (Nutt.) G.L. Nesom var. campestre Native SYCAC

western meadow aster · Asteraceae
Symphyotrichum ciliatum (Ledeb.) G.L. Nesom Native SYCI2

rayless alkali 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 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
Tanacetum parthenium (L.) Sch. Bip. Introduced TAPA6

feverfew · 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
Thalictrum alpinum L. Native THAL

alpine meadow-rue · Ranunculaceae
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 sparsiflorum Turcz. ex Fisch. & C.A. Mey. Native THSP

fewflower meadow-rue · Ranunculaceae
Thalictrum sparsiflorum Turcz. ex Fisch. & C.A. Mey. var. saximontanum B. Boivin Native THSPS

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

veiny meadow-rue · Ranunculaceae
Thinopyrum intermedium (Host) Barkworth & D.R. Dewey Introduced THIN6

intermediate wheatgrass · Poaceae
Thlaspi arvense L. Introduced THAR5

field pennycress · Brassicaceae
Thuja plicata Donn ex D. Don Native THPL

western redcedar · Cupressaceae
Thymus praecox Opiz Introduced THPR

mother of thyme · Lamiaceae
Thymus praecox Opiz ssp. arcticus (Durand) Jalas Introduced THPRA

creeping thyme · Lamiaceae
Tiarella trifoliata L. Native TITR

threeleaf foamflower · Saxifragaceae
Tiarella trifoliata L. var. unifoliata (Hook.) Kurtz Native TITRU

oneleaf foamflower · Saxifragaceae
Toxicodendron rydbergii (Small ex Rydb.) Greene Native TORY

western poison ivy · Anacardiaceae
Tragopogon dubius Scop. Introduced TRDU

yellow salsify · Asteraceae
Tragopogon miscellus Ownbey Introduced TRMI8

Moscow salsify · Asteraceae
Tragopogon porrifolius L. Introduced TRPO

salsify · Asteraceae
Tragopogon pratensis L. Introduced TRPR

Jack-go-to-bed-at-noon · Asteraceae
Trichophorum cespitosum (L.) Hartm. Native TRCE3

tufted bulrush · Cyperaceae
Trifolium arvense L. Introduced TRAR4

rabbitfoot clover · Fabaceae
Trifolium aureum Pollich Introduced TRAU2

golden clover · Fabaceae
Trifolium campestre Schreb. Introduced TRCA5

field clover · Fabaceae
Trifolium dubium Sibth. Introduced TRDU2

suckling clover · Fabaceae
Trifolium hybridum L. Introduced TRHY

alsike clover · Fabaceae
Trifolium pratense L. Introduced TRPR2

red clover · Fabaceae
Trifolium repens L. Introduced TRRE3

white clover · Fabaceae
Triglochin maritima L. Native TRMA20

seaside arrowgrass · Juncaginaceae
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
Triticum aestivum L. Introduced TRAE

common wheat · Poaceae
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
Tsuga heterophylla (Raf.) Sarg. Native TSHE

western hemlock · Pinaceae
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 cespitosum Michx. Native VACE

dwarf bilberry · Ericaceae
Vaccinium membranaceum Douglas ex Torr. Native VAME

thinleaf huckleberry · Ericaceae
Vaccinium myrtilloides Michx. Native VAMY

velvetleaf 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
Verbascum blattaria L. Introduced VEBL

moth mullein · Scrophulariaceae
Verbascum thapsus L. Introduced VETH

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

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

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

water speedwell · Scrophulariaceae
Veronica arvensis L. Introduced VEAR

corn speedwell · Scrophulariaceae
Veronica biloba L. Introduced VEBI2

twolobe speedwell · Scrophulariaceae
Veronica chamaedrys L. Introduced VECH

germander speedwell · Scrophulariaceae
Veronica officinalis L. Introduced VEOF2

common gypsyweed · Scrophulariaceae
Veronica officinalis L. var. officinalis Introduced VEOFO

common gypsyweed · 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 verna L. Introduced VEVE

spring 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 edule (Michx.) Raf. Native VIED

squashberry · Caprifoliaceae
Vicia americana Muhl. ex Willd. Native VIAM

American 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 glabella Nutt. Native VIGL

pioneer 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 septentrionalis Greene Native VISE5

northern woodland violet · Violaceae
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 venenosus S. Watson Native ZIVE

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

grassy deathcamas · Liliaceae