Phillips County

Montana

FIPS: 30071
Taxa recorded: 1,008
Of which native: 849
Introduced: 140

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Showing 1008 of 1,008.

Abutilon theophrasti Medik. Introduced ABTH

velvetleaf · Malvaceae
Acer negundo L. Native ACNE2

boxelder · Aceraceae
Acer negundo L. var. interius (Britton) Sarg. Native ACNEI2

boxelder · Aceraceae
Acer negundo L. var. violaceum (G. Kirchn.) H. Jaeger Native ACNEV

boxelder · Aceraceae
Achillea millefolium L. Both ACMI2

common yarrow · Asteraceae
Achillea millefolium L. var. occidentalis DC. Native ACMIO

western yarrow · Asteraceae
Achillea nobilis L. Introduced ACNO

noble yarrow · Asteraceae
Achnatherum hymenoides (Roem. & Schult.) Barkworth Native ACHY

Indian ricegrass · Poaceae
Achnatherum nelsonii (Scribn.) Barkworth Native ACNE9

Columbia needlegrass · Poaceae
Achnatherum nelsonii (Scribn.) Barkworth ssp. nelsonii Native ACNEN2

Columbia needlegrass · Poaceae
Achnatherum richardsonii (Link) Barkworth Native ACRI8

Richardson's needlegrass · Poaceae
Acroptilon repens (L.) DC. Introduced ACRE3

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

red baneberry · Ranunculaceae
Agoseris glauca (Pursh) Raf. Native AGGL

pale agoseris · Asteraceae
Agoseris glauca (Pursh) Raf. var. dasycephala (Torr. & A. Gray) Jeps. Native AGGLD

pale agoseris · Asteraceae
Agoseris glauca (Pursh) Raf. var. glauca Native AGGLG

pale agoseris · Asteraceae
Agoseris glauca (Pursh) Raf. var. laciniata (D.C. Eaton) Smiley Native AGGLL

false agoseris · Asteraceae
Agrimonia striata Michx. Native AGST

roadside agrimony · Rosaceae
Agropyron cristatum (L.) Gaertn. Introduced AGCR

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

crested wheatgrass · Poaceae
Agropyron desertorum (Fisch. ex Link) Schult. Introduced AGDE2

desert wheatgrass · Poaceae
Agropyron fragile (Roth) P. Candargy Introduced AGFR

Siberian wheatgrass · Poaceae
Agrostis exarata Trin. Native AGEX

spike bentgrass · Poaceae
Agrostis scabra Willd. Native AGSC5

rough bentgrass · Poaceae
Agrostis stolonifera L. Introduced AGST2

creeping bentgrass · Poaceae
Alisma gramineum Lej. Native ALGR

narrowleaf water plantain · Alismataceae
Alisma triviale Pursh Native ALTR7

northern water plantain · Alismataceae
Allium cernuum Roth Native ALCE2

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

textile onion · Liliaceae
Alopecurus arundinaceus Poir. Introduced ALAR

creeping meadow foxtail · Poaceae
Alopecurus carolinianus Walter Native ALCA4

Carolina foxtail · Poaceae
Alopecurus geniculatus L. Introduced ALGE2

water foxtail · Poaceae
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 arenicola I.M. Johnst. Native AMAR

sandhill amaranth · Amaranthaceae
Amaranthus blitoides S. Watson Introduced AMBL

mat 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
Ambrosia psilostachya DC. Native AMPS

Cuman ragweed · Asteraceae
Ambrosia tomentosa Nutt. Native AMTO3

skeletonleaf bur ragweed · Asteraceae
Ambrosia trifida L. Native AMTR

great ragweed · Asteraceae
Ambrosia trifida L. var. trifida Native AMTRT2

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

Saskatoon serviceberry · Rosaceae
Amelanchier alnifolia (Nutt.) Nutt. ex M. Roem. var. alnifolia Native AMALA

Saskatoon serviceberry · Rosaceae
Anagallis minima (L.) Krause Native ANMI4

chaffweed · Primulaceae
Anaphalis margaritacea (L.) Benth. Native ANMA

western pearly everlasting · Asteraceae
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
Anemone multifida Poir. var. multifida Native ANMUM3

Pacific anemone · Ranunculaceae
Antennaria dimorpha (Nutt.) Torr. & A. Gray Native ANDI2

low pussytoes · Asteraceae
Antennaria howellii Greene Native ANHO

Howell's pussytoes · Asteraceae
Antennaria howellii Greene ssp. howellii Native ANHOH

Howell's pussytoes · Asteraceae
Antennaria howellii Greene ssp. petaloidea (Fernald) Bayer Native ANHOP

small pussytoes · Asteraceae
Antennaria microphylla Rydb. Native ANMI3

littleleaf 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
Apocynum androsaemifolium L. Native APAN2

spreading dogbane · Apocynaceae
Apocynum cannabinum L. Native APCA

Indianhemp · Apocynaceae
Arabis eschscholtziana Andrz. Native ARES5

Eschscholtz's hairy 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 holboellii Hornem. var. collinsii (Fernald) Rollins Native ARHOC

Collins' rockcress · Brassicaceae
Arabis holboellii Hornem. var. retrofracta (Graham) Rydb. Native ARHOR

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

spreadingpod rockcress · Brassicaceae
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 congesta Nutt. var. lithophila (Rydb.) Maguire Native ARCOL

rock-loving sandwort · Caryophyllaceae
Argentina anserina (L.) Rydb. Native ARAN7

silverweed cinquefoil · Rosaceae
Aristida purpurea Nutt. Native ARPU9

purple threeawn · Poaceae
Aristida purpurea Nutt. var. longiseta (Steud.) Vasey Native ARPUL

Fendler threeawn · Poaceae
Arnica cordifolia Hook. Native ARCO9

heartleaf arnica · Asteraceae
Arnica fulgens Pursh Native ARFU3

foothill arnica · Asteraceae
Arnica sororia Greene Native ARSO2

twin arnica · 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 campestris L. ssp. borealis (Pall.) H.M. Hall & Clem. Native ARCAB2

field sagewort · Asteraceae
Artemisia campestris L. ssp. borealis (Pall.) H.M. Hall & Clem. var. scouleriana (Hook.) Cronquist Native ARCAS5

field sagewort · Asteraceae
Artemisia cana Pursh Native ARCA13

silver sagebrush · Asteraceae
Artemisia cana Pursh ssp. cana Native ARCAC5

silver sagebrush · Asteraceae
Artemisia dracunculus L. Native ARDR4

tarragon · Asteraceae
Artemisia frigida Willd. Native ARFR4

prairie sagewort · Asteraceae
Artemisia longifolia Nutt. Native ARLO7

longleaf wormwood · Asteraceae
Artemisia ludoviciana Nutt. Both ARLU

white sagebrush · Asteraceae
Artemisia ludoviciana Nutt. ssp. ludoviciana Native ARLUL2

white sagebrush · Asteraceae
Artemisia tridentata Nutt. Native ARTR2

big sagebrush · Asteraceae
Artemisia tridentata Nutt. ssp. wyomingensis Beetle & Young Native ARTRW8

Wyoming big sagebrush · Asteraceae
Asclepias speciosa Torr. Native ASSP

showy milkweed · Asclepiadaceae
Asclepias syriaca L. Native ASSY

common milkweed · Asclepiadaceae
Asclepias verticillata L. Native ASVE

whorled 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 americanus (Hook.) M.E. Jones Native ASAM3

American 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 canadensis L. Native ASCA11

Canadian milkvetch · Fabaceae
Astragalus canadensis L. var. canadensis Native ASCAC6

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 crassicarpus Nutt. var. crassicarpus Native ASCRC3

groundplum milkvetch · Fabaceae
Astragalus crassicarpus Nutt. var. paysonii (E.H. Kelso) Barneby Native ASCRP

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

Drummond's 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 laxmannii Jacq. Native ASLA27

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

prairie milkvetch · Fabaceae
Astragalus lotiflorus Hook. Native ASLO4

lotus milkvetch · Fabaceae
Astragalus missouriensis Nutt. Native ASMI10

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

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

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

woollypod milkvetch · Fabaceae
Astragalus purshii Douglas ex Hook. var. purshii Native ASPUP7

woollypod milkvetch · Fabaceae
Astragalus spatulatus Sheldon Native ASSP6

tufted milkvetch · Fabaceae
Astragalus tenellus Pursh Native ASTE5

looseflower 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 canescens (Pursh) Nutt. Native ATCA2

fourwing saltbush · Chenopodiaceae
Atriplex canescens (Pursh) Nutt. var. canescens Native ATCAC

fourwing saltbush · Chenopodiaceae
Atriplex confertifolia (Torr. & Frém.) S. Watson Native ATCO

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

Gardner's 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
Atriplex powellii S. Watson Native ATPO2

Powell's saltweed · Chenopodiaceae
Atriplex ×aptera A. Nelson (pro sp.) [canescens × nutallii] Native ATAP

moundscale · Chenopodiaceae
Avena fatua L. Introduced AVFA

wild oat · Poaceae
Avenula hookeri (Scribn.) Holub Native AVHO3

spikeoat · Poaceae
Bacopa rotundifolia (Michx.) Wettst. Native BARO

disk waterhyssop · Scrophulariaceae
Balsamorhiza sagittata (Pursh) Nutt. Native BASA3

arrowleaf balsamroot · Asteraceae
Bassia scoparia (L.) A.J. Scott Introduced BASC5

burningbush · Chenopodiaceae
Beckmannia syzigachne (Steud.) Fernald Native BESY

American sloughgrass · Poaceae
Besseya wyomingensis (A. Nelson) Rydb. Native BEWY

Wyoming besseya · Scrophulariaceae
Betula papyrifera Marshall Native BEPA

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

paper birch · Betulaceae
Bidens cernua L. Native BICE

nodding beggartick · Asteraceae
Bidens tripartita L. Native BITR

threelobe beggarticks · Asteraceae
Bolboschoenus maritimus (L.) Palla Native BOMA7

cosmopolitan bulrush · Cyperaceae
Borago officinalis L. Introduced BOOF

common borage · Boraginaceae
Botrychium hesperium (Maxon & R.T. Clausen) W.H. Wagner & Lellinger Native BOHE5

western moonwort · Ophioglossaceae
Bouteloua gracilis (Willd. ex Kunth) Lag. ex Griffiths Native BOGR2

blue grama · Poaceae
Brassica juncea (L.) Czern. Introduced BRJU

brown mustard · Brassicaceae
Brickellia eupatorioides (L.) Shinners Native BREU

false boneset · Asteraceae
Brickellia eupatorioides (L.) Shinners var. corymbulosa (Torr. & A. Gray) Shinners Native BREUC

false boneset · Asteraceae
Bromus arvensis L. Introduced BRAR5

field brome · Poaceae
Bromus ciliatus L. Native BRCI2

fringed brome · Poaceae
Bromus ciliatus L. var. richardsonii (Link) B. Boivin Native BRCIR

fringed brome · Poaceae
Bromus inermis Leyss. Both BRIN2

smooth brome · Poaceae
Bromus inermis Leyss. ssp. inermis Introduced BRINI

smooth brome · Poaceae
Bromus inermis Leyss. ssp. inermis var. inermis Introduced BRINI2

smooth brome · Poaceae
Bromus inermis Leyss. ssp. pumpellianus (Scribn.) Wagnon Native BRINP

Pumpelly's brome · Poaceae
Bromus inermis Leyss. ssp. pumpellianus (Scribn.) Wagnon var. pumpellianus (Scribn.) C.L. Hitchc. Native BRINP5

Pumpelly's brome · Poaceae
Bromus porteri (J.M. Coult.) Nash Native BRPO2

Porter brome · Poaceae
Bromus racemosus L. Introduced BRRA2

bald brome · Poaceae
Bromus squarrosus L. Introduced BRSQ2

corn brome · Poaceae
Bromus tectorum L. Introduced BRTE

cheatgrass · Poaceae
Calamagrostis canadensis (Michx.) P. Beauv. Native CACA4

bluejoint · Poaceae
Calamagrostis canadensis (Michx.) P. Beauv. var. canadensis Native CACAC10

bluejoint · Poaceae
Calamagrostis montanensis Scribn. ex Vasey Native CAMO

plains reedgrass · Poaceae
Calamagrostis purpurascens R. Br. Native CAPU

purple reedgrass · Poaceae
Calamovilfa longifolia (Hook.) Scribn. Native CALO

prairie sandreed · Poaceae
Calamovilfa longifolia (Hook.) Scribn. var. longifolia Native CALOL2

prairie sandreed · Poaceae
Callitriche hermaphroditica L. Native CAHE2

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

vernal water-starwort · Callitrichaceae
Calochortus nuttallii Torr. & A. Gray Native CANU3

sego lily · Liliaceae
Calylophus serrulatus (Nutt.) P.H. Raven Native CASE12

yellow sundrops · Onagraceae
Calypso bulbosa (L.) Oakes Native CABU

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

fairy slipper · Orchidaceae
Calystegia macounii (Greene) Brummitt Native CAMA23

Macoun's false bindweed · Convolvulaceae
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
Camelina microcarpa Andrz. ex DC. Introduced CAMI2

littlepod false flax · 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 rapunculoides L. Introduced CARA

rampion bellflower · Campanulaceae
Campanula rotundifolia L. Native CARO2

bluebell bellflower · Campanulaceae
Capsella bursa-pastoris (L.) Medik. Introduced CABU2

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

Siberian peashrub · Fabaceae
Cardaria draba (L.) Desv. Introduced CADR

whitetop · Brassicaceae
Carduus acanthoides L. Introduced CAAC

spiny plumeless thistle · Asteraceae
Carex aurea Nutt. Native CAAU3

golden sedge · Cyperaceae
Carex bebbii Olney ex Fernald Native CABE2

Bebb's sedge · Cyperaceae
Carex brevior (Dewey) Mack. Native CABR10

shortbeak sedge · Cyperaceae
Carex deweyana Schwein. Native CADE9

Dewey sedge · Cyperaceae
Carex deweyana Schwein. var. deweyana Native CADED4

Dewey sedge · Cyperaceae
Carex disperma Dewey Native CADI6

softleaf sedge · Cyperaceae
Carex duriuscula C.A. Mey. Native CADU6

needleleaf sedge · Cyperaceae
Carex filifolia Nutt. Native CAFI

threadleaf sedge · Cyperaceae
Carex hoodii Boott Native CAHO5

Hood's sedge · Cyperaceae
Carex inops L.H. Bailey Native CAIN9

long-stolon sedge · Cyperaceae
Carex inops L.H. Bailey ssp. heliophila (Mack.) Crins Native CAINH2

sun sedge · Cyperaceae
Carex laeviconica Dewey Native CALA12

smoothcone sedge · Cyperaceae
Carex lasiocarpa Ehrh. Native CALA11

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

woolly sedge · Cyperaceae
Carex praegracilis W. Boott Native CAPR5

clustered field sedge · Cyperaceae
Carex rossii Boott Native CARO5

Ross' sedge · Cyperaceae
Carex scoparia Schkuhr ex Willd. Native CASC11

broom sedge · Cyperaceae
Carex scoparia Schkuhr ex Willd. var. scoparia Native CASCS

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

Sprengel's 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 vulpinoidea Michx. Native CAVU2

fox sedge · Cyperaceae
Carex vulpinoidea Michx. var. vulpinoidea Native CAVUV

fox sedge · Cyperaceae
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 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 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 brachypodum (Engelm. ex A. Gray) B.L. Rob. Native CEBR3

shortstalk 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
Ceratophyllum demersum L. Native CEDE4

coon's tail · Ceratophyllaceae
Chaenactis douglasii (Hook.) Hook. & Arn. Native CHDO

Douglas' dustymaiden · Asteraceae
Chaenactis douglasii (Hook.) Hook. & Arn. var. douglasii Native CHDOD

Douglas' dustymaiden · Asteraceae
Chamaerhodos erecta (L.) Bunge Native CHER

little rose · Rosaceae
Chamaerhodos erecta (L.) Bunge ssp. nuttallii (Pickering ex Rydb.) Hultén Native CHERN

Nuttall's little rose · Rosaceae
Chamaesyce glyptosperma (Engelm.) Small Native CHGL13

ribseed sandmat · Euphorbiaceae
Chamaesyce serpens (Kunth) Small Native CHSE4

matted sandmat · Euphorbiaceae
Chamaesyce serpyllifolia (Pers.) Small Native CHSE6

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

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

fireweed · Onagraceae
Chamerion angustifolium (L.) Holub ssp. circumvagum (Mosquin) Hoch Native CHANC

fireweed · Onagraceae
Cheilanthes feei T. Moore Native CHFE

slender lipfern · Pteridaceae
Chenopodium album L. Both CHAL7

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

lambsquarters · Chenopodiaceae
Chenopodium berlandieri Moq. Native CHBE4

pitseed goosefoot · Chenopodiaceae
Chenopodium berlandieri Moq. var. zschackii (Murr) Murr ex Asch. Native CHBEZ

Zschack's goosefoot · Chenopodiaceae
Chenopodium desiccatum A. Nelson Native CHDE

aridland goosefoot · Chenopodiaceae
Chenopodium fremontii S. Watson Native CHFR3

Fremont's goosefoot · Chenopodiaceae
Chenopodium glaucum L. Introduced CHGL3

oakleaf goosefoot · Chenopodiaceae
Chenopodium pratericola Rydb. Native CHPR5

desert goosefoot · Chenopodiaceae
Chenopodium rubrum L. Native CHRU

red goosefoot · Chenopodiaceae
Chenopodium salinum Standl. Native CHSA2

Rocky Mountain 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 maculata L. Native CIMA2

spotted water hemlock · Apiaceae
Cicuta maculata L. var. angustifolia Hook. Native CIMAA

spotted water hemlock · Apiaceae
Cinna latifolia (Trevis. ex Goepp.) Griseb. Native CILA2

drooping woodreed · Poaceae
Circaea alpina L. Native CIAL

small enchanter's nightshade · Onagraceae
Circaea alpina L. ssp. alpina Native CIALA

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

Canada thistle · Asteraceae
Cirsium canescens Nutt. Native CICA11

prairie thistle · Asteraceae
Cirsium flodmanii (Rydb.) Arthur Native CIFL

Flodman's 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
Clematis columbiana (Nutt.) Torr. & A. Gray Native CLCO2

rock clematis · Ranunculaceae
Clematis columbiana (Nutt.) Torr. & A. Gray var. tenuiloba (A. Gray) J. Pringle Native CLCOT

rock clematis · Ranunculaceae
Clematis ligusticifolia Nutt. Native CLLI2

western white clematis · Ranunculaceae
Clematis occidentalis (Hornem.) DC. Native CLOC2

western blue virginsbower · Ranunculaceae
Clematis occidentalis (Hornem.) DC. var. grosseserrata (Rydb.) J. Pringle Native CLOCG

western blue virginsbower · Ranunculaceae
Cleome serrulata Pursh Native CLSE

Rocky Mountain beeplant · Capparaceae
Collinsia parviflora Lindl. Native COPA3

maiden blue eyed Mary · Scrophulariaceae
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
Conringia orientalis (L.) Dumort. Introduced COOR

hare's ear mustard · Brassicaceae
Convolvulus arvensis L. Introduced COAR4

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

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

summer coralroot · Orchidaceae
Corallorhiza maculata (Raf.) Raf. var. occidentalis (Lindl.) Ames Native COMAO5

summer coralroot · Orchidaceae
Corallorhiza striata Lindl. Native COST19

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

hooded coralroot · Orchidaceae
Corallorhiza wisteriana Conrad Native COWI5

spring coralroot · Orchidaceae
Coreopsis tinctoria Nutt. Native COTI3

golden tickseed · Asteraceae
Coreopsis tinctoria Nutt. var. atkinsoniana (Douglas ex Lindl.) H.M. Parker ex E.B. Sm. Native COTIA

Atkinson's tickseed · Asteraceae
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
Crataegus chrysocarpa Ashe Native CRCH

fireberry hawthorn · Rosaceae
Crataegus chrysocarpa Ashe var. chrysocarpa Native CRCHC2

red haw · Rosaceae
Crataegus succulenta Schrad. ex Link Native CRSU5

fleshy hawthorn · Rosaceae
Crepis atribarba A. Heller Native CRAT

slender hawksbeard · Asteraceae
Crepis modocensis Greene Native CRMO4

Modoc hawksbeard · Asteraceae
Crepis modocensis Greene ssp. modocensis Native CRMOM

Modoc hawksbeard · Asteraceae
Crepis occidentalis Nutt. Native CROC

largeflower hawksbeard · Asteraceae
Crepis occidentalis Nutt. ssp. costata (A. Gray) Babc. & Stebbins Native CROCC2

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

fiddleleaf hawksbeard · Asteraceae
Crepis runcinata (James) Torr. & A. Gray ssp. runcinata Native CRRUR

fiddleleaf hawksbeard · Asteraceae
Crypsis alopecuroides (Piller & Mitterp.) Schrad. Introduced CRAL2

foxtail pricklegrass · Poaceae
Cryptantha celosioides (Eastw.) Payson Native CRCE

buttecandle · Boraginaceae
Cryptantha spiculifera (Piper) Payson Native CRSP4

Snake River cryptantha · Boraginaceae
Cryptantha torreyana (A. Gray) Greene Native CRTO4

Torrey's cryptantha · Boraginaceae
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
Cynoglossum officinale L. Introduced CYOF

gypsyflower · Boraginaceae
Cyperus squarrosus L. Native CYSQ

bearded flatsedge · Cyperaceae
Cypripedium montanum Douglas ex Lindl. Native CYMO2

mountain lady's slipper · Orchidaceae
Cystopteris fragilis (L.) Bernh. Native CYFR2

brittle bladderfern · Dryopteridaceae
Dactylorhiza viridis (L.) R.M. Bateman, A.M. Pridgeon & M.W. Chase Native DAVI6

longbract frog orchid · Orchidaceae
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
Dalea purpurea Vent. Native DAPU5

purple prairie clover · Fabaceae
Dalea purpurea Vent. var. purpurea Native DAPUP

purple prairie clover · Fabaceae
Danthonia spicata (L.) P. Beauv. ex Roem. & Schult. Native DASP2

poverty oatgrass · Poaceae
Danthonia unispicata (Thurb.) Munro ex Macoun Native DAUN

onespike danthonia · 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 bicolor Nutt. ssp. bicolor Native DEBIB

little larkspur · Ranunculaceae
Deschampsia cespitosa (L.) P. Beauv. Native DECE

tufted hairgrass · Poaceae
Descurainia incana (Bernh. ex Fisch. & C.A. Mey.) Dorn Native DEIN5

mountain tansymustard · Brassicaceae
Descurainia pinnata (Walter) Britton Native DEPI

western tansymustard · Brassicaceae
Descurainia pinnata (Walter) Britton ssp. brachycarpa (Richardson) Detling Native DEPIB

western tansymustard · Brassicaceae
Descurainia pinnata (Walter) Britton ssp. nelsonii (Rydb.) Detling Native DEPIN

Nelson's tansymustard · Brassicaceae
Descurainia sophia (L.) Webb ex Prantl Introduced DESO2

herb sophia · Brassicaceae
Distichlis spicata (L.) Greene Native DISP

saltgrass · Poaceae
Dodecatheon conjugens Greene Native DOCO

Bonneville shootingstar · Primulaceae
Dodecatheon conjugens Greene ssp. conjugens Native DOCOC3

Bonneville shootingstar · Primulaceae
Draba breweri S. Watson Native DRBR2

cushion draba · Brassicaceae
Draba breweri S. Watson var. cana (Rydb.) Rollins Native DRBRC

cushion draba · Brassicaceae
Draba nemorosa L. Native DRNE

woodland draba · Brassicaceae
Draba reptans (Lam.) Fernald Native DRRE2

Carolina draba · Brassicaceae
Dracocephalum parviflorum Nutt. Native DRPA2

American dragonhead · Lamiaceae
Dryopteris filix-mas (L.) Schott Native DRFI2

male fern · Dryopteridaceae
Dyssodia papposa (Vent.) Hitchc. Native DYPA

fetid marigold · Asteraceae
Echinacea angustifolia DC. Native ECAN2

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

barnyardgrass · Poaceae
Echinochloa muricata (P. Beauv.) Fernald Native ECMU2

rough barnyardgrass · Poaceae
Echinochloa muricata (P. Beauv.) Fernald var. microstachya Wiegand Native ECMUM

rough barnyardgrass · Poaceae
Elaeagnus angustifolia L. Introduced ELAN

Russian olive · Elaeagnaceae
Elatine rubella Rydb. Native ELRU

southwestern waterwort · Elatinaceae
Eleocharis acicularis (L.) Roem. & Schult. Native ELAC

needle spikerush · Cyperaceae
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 bifoliata H. St. John Native ELBI2

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

western waterweed · Hydrocharitaceae
Elymus albicans (Scribn. & J.G. Sm.) Á. Löve Native ELAL7

Montana wheatgrass · Poaceae
Elymus canadensis L. Native ELCA4

Canada wildrye · Poaceae
Elymus elymoides (Raf.) Swezey Native ELEL5

squirreltail · Poaceae
Elymus elymoides (Raf.) Swezey ssp. brevifolius (J.G. Sm.) Barkworth Native ELELB2

squirreltail · Poaceae
Elymus elymoides (Raf.) Swezey ssp. elymoides Native ELELE

squirreltail · Poaceae
Elymus glaucus Buckley Native ELGL

blue wildrye · Poaceae
Elymus glaucus Buckley ssp. glaucus Native ELGLG

blue wildrye · Poaceae
Elymus lanceolatus (Scribn. & J.G. Sm.) Gould Native ELLA3

thickspike wheatgrass · Poaceae
Elymus lanceolatus (Scribn. & J.G. Sm.) Gould ssp. lanceolatus Native ELLAL

thickspike wheatgrass · Poaceae
Elymus repens (L.) Gould Introduced ELRE4

quackgrass · Poaceae
Elymus trachycaulus (Link) Gould ex Shinners Native ELTR7

slender wheatgrass · Poaceae
Elymus trachycaulus (Link) Gould ex Shinners ssp. subsecundus (Link) Á. Löve & D. Löve Native ELTRS

slender wheatgrass · Poaceae
Elymus trachycaulus (Link) Gould ex Shinners ssp. trachycaulus Native ELTRT

slender wheatgrass · Poaceae
Elymus ×saundersii Vasey (pro sp.) [elymoides × trachycaulus] Native ELSA4

Poaceae
Endolepis dioica (Nutt.) Standl. Native ENDI

Suckley's endolepis · Chenopodiaceae
Epilobium brachycarpum C. Presl Native EPBR3

tall annual willowherb · Onagraceae
Epilobium ciliatum Raf. Native EPCI

fringed willowherb · Onagraceae
Epilobium ciliatum Raf. ssp. ciliatum Native EPCIC

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

fringed willowherb · Onagraceae
Epilobium leptophyllum Raf. Native EPLE2

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

smooth spike-primrose · Onagraceae
Equisetum arvense L. Native EQAR

field horsetail · Equisetaceae
Equisetum hyemale L. Native EQHY

scouringrush horsetail · Equisetaceae
Equisetum hyemale L. var. affine (Engelm.) A.A. Eaton Native EQHYA

scouringrush horsetail · Equisetaceae
Equisetum laevigatum A. Braun Native EQLA

smooth horsetail · Equisetaceae
Equisetum ×ferrissii Clute (pro sp.) [hyemale × laevigatum] Native EQFE

Equisetaceae
Eragrostis cilianensis (All.) Vign. ex Janchen Introduced ERCI

stinkgrass · Poaceae
Eragrostis hypnoides (Lam.) Britton, Sterns & Poggenb. Native ERHY

teal lovegrass · 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. glabrata (A. Gray) G.L. Nesom & Baird Native ERNAG

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

rubber rabbitbrush · 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 glabellus Nutt. var. glabellus Native ERGLG

streamside fleabane · Asteraceae
Erigeron glabellus Nutt. var. pubescens Hook. Native ERGLP

streamside fleabane · Asteraceae
Erigeron ochroleucus Nutt. Native EROC

buff fleabane · Asteraceae
Erigeron pumilus Nutt. Native ERPU2

shaggy fleabane · Asteraceae
Erigeron pumilus Nutt. ssp. pumilus Native ERPUP3

shaggy fleabane · Asteraceae
Erigeron speciosus (Lindl.) DC. Native ERSP4

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

prairie fleabane · Asteraceae
Erigeron strigosus Muhl. ex Willd. var. septentrionalis (Fernald & Wiegand) Fernald Native ERSTS

prairie fleabane · Asteraceae
Erigeron strigosus Muhl. ex Willd. var. strigosus Native ERSTS2

prairie fleabane · Asteraceae
Eriogonum flavum Nutt. Native ERFL4

alpine golden buckwheat · Polygonaceae
Eriogonum flavum Nutt. var. flavum Native ERFLF

alpine golden buckwheat · Polygonaceae
Eriogonum ovalifolium Nutt. Native EROV

cushion buckwheat · Polygonaceae
Eriogonum ovalifolium Nutt. var. ochroleucum (Small ex Rydb.) M. Peck Native EROVO4

cushion buckwheat · Polygonaceae
Eriogonum ovalifolium Nutt. var. purpureum (Nutt.) Durand Native EROVP2

cushion buckwheat · Polygonaceae
Eriogonum pauciflorum Pursh Native ERPA9

fewflower buckwheat · Polygonaceae
Eriogonum pauciflorum Pursh var. pauciflorum Native ERPAP6

fewflower buckwheat · Polygonaceae
Eriogonum umbellatum Torr. Native ERUM

sulphur-flower buckwheat · Polygonaceae
Eriogonum umbellatum Torr. var. majus Hook. Native ERUMM

sulphur-flower buckwheat · Polygonaceae
Erysimum asperum (Nutt.) DC. Native ERAS2

western wallflower · Brassicaceae
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
Escobaria missouriensis (Sweet) D.R. Hunt Native ESMI3

Missouri foxtail cactus · Cactaceae
Escobaria vivipara (Nutt.) Buxbaum Native ESVI2

spinystar · Cactaceae
Escobaria vivipara (Nutt.) Buxbaum var. vivipara Native ESVIV

spinystar · Cactaceae
Euphorbia esula L. Introduced EUES

leafy spurge · Euphorbiaceae
Euphorbia esula L. var. esula Introduced EUESE

leafy spurge · Euphorbiaceae
Euphorbia esula L. var. uralensis (Fisch. ex Link) Dorn Introduced EUESU

Russian leafy spurge · Euphorbiaceae
Euphorbia spathulata Lam. Native EUSP

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

western showy aster · Asteraceae
Festuca campestris Rydb. Native FECA4

rough fescue · Poaceae
Festuca saximontana Rydb. Native FESA

Rocky Mountain fescue · Poaceae
Festuca saximontana Rydb. var. saximontana Native FESAS

Rocky Mountain fescue · Poaceae
Fragaria virginiana Duchesne Native FRVI

Virginia strawberry · Rosaceae
Fraxinus pennsylvanica Marshall Native FRPE

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

yellow fritillary · Liliaceae
Fumaria officinalis L. Introduced FUOF

drug fumitory · Fumariaceae
Fumaria officinalis L. ssp. officinalis Introduced FUOFO

drug fumitory · Fumariaceae
Gaillardia aristata Pursh Native GAAR

blanketflower · 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 triflorum Michx. Native GATR3

fragrant bedstraw · Rubiaceae
Gayophytum diffusum Torr. & A. Gray Native GADI2

spreading groundsmoke · Onagraceae
Gayophytum diffusum Torr. & A. Gray ssp. parviflorum F.H. Lewis & Szweykowski Native GADIP

spreading groundsmoke · Onagraceae
Gentiana affinis Griseb. Native GEAF

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
Geranium bicknellii Britton Native GEBI2

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

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

Richardson's geranium · Geraniaceae
Geum aleppicum Jacq. Native GEAL3

yellow avens · Rosaceae
Geum macrophyllum Willd. Native GEMA4

largeleaf avens · Rosaceae
Geum macrophyllum Willd. var. perincisum (Rydb.) Raup Native GEMAP

largeleaf avens · Rosaceae
Geum triflorum Pursh Native GETR

old man's whiskers · Rosaceae
Geum triflorum Pursh var. triflorum Native GETRT

old man's whiskers · Rosaceae
Glaux maritima L. Native GLMA

sea milkwort · Primulaceae
Glechoma hederacea L. Introduced GLHE2

ground ivy · Lamiaceae
Glyceria grandis S. Watson Native GLGR

American mannagrass · Poaceae
Glyceria grandis S. Watson var. grandis Native GLGRG

American mannagrass · Poaceae
Glyceria striata (Lam.) Hitchc. Native GLST

fowl mannagrass · Poaceae
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
Gratiola neglecta Torr. Native GRNE

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

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

broom snakeweed · Asteraceae
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
Halogeton glomeratus (M. Bieb.) C.A. Mey. Introduced HAGL

saltlover · Chenopodiaceae
Hedeoma drummondii Benth. Native HEDR

Drummond's false pennyroyal · Lamiaceae
Hedeoma hispida Pursh Native HEHI

rough false pennyroyal · Lamiaceae
Hedysarum alpinum L. Native HEAL

alpine sweetvetch · Fabaceae
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 sulphurescens Rydb. Native HESU

white sweetvetch · Fabaceae
Helenium autumnale L. Native HEAU

common sneezeweed · Asteraceae
Helianthus annuus L. Native HEAN3

common sunflower · Asteraceae
Helianthus maximiliani Schrad. Native HEMA2

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

Nuttall's sunflower · Asteraceae
Helianthus nuttallii Torr. & A. Gray ssp. nuttallii Native HENUN

Nuttall's sunflower · Asteraceae
Helianthus pauciflorus Nutt. Native HEPA19

stiff sunflower · Asteraceae
Helianthus pauciflorus Nutt. ssp. subrhomboideus (Rydb.) O. Spring & E. Schilling Native HEPAS

stiff sunflower · Asteraceae
Helianthus petiolaris Nutt. Native HEPE

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

prairie sunflower · Asteraceae
Heliotropium curassavicum L. Native HECU3

salt heliotrope · Boraginaceae
Heliotropium curassavicum L. var. obovatum DC. Native HECUO2

seaside heliotrope · Boraginaceae
Heracleum maximum W. Bartram Native HEMA80

common cowparsnip · Apiaceae
Hesperis matronalis L. Introduced HEMA3

dames rocket · Brassicaceae
Hesperostipa comata (Trin. & Rupr.) Barkworth Native HECO26

needle and thread · Poaceae
Hesperostipa comata (Trin. & Rupr.) Barkworth ssp. comata Native HECOC8

needle and thread · Poaceae
Hesperostipa curtiseta (Hitchc.) Barkworth Native HECU9

shortbristle needle and thread · Poaceae
Heterotheca villosa (Pursh) Shinners Native HEVI4

hairy false goldenaster · Asteraceae
Heterotheca villosa (Pursh) Shinners var. minor (Hook.) Semple Native HEVIM3

hairy false goldenaster · Asteraceae
Heterotheca villosa (Pursh) Shinners var. nana (A. Gray) Semple Native HEVIN

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

hairy false goldenaster · Asteraceae
Heuchera parvifolia Nutt. ex Torr. & A. Gray Native HEPA11

littleleaf alumroot · Saxifragaceae
Hieracium albiflorum Hook. Native HIAL2

white hawkweed · Asteraceae
Hieracium scouleri Hook. Native HISC2

Scouler's woollyweed · Asteraceae
Hieracium umbellatum L. Native HIUM

narrowleaf hawkweed · Asteraceae
Hordeum jubatum L. Native HOJU

foxtail barley · Poaceae
Hordeum jubatum L. ssp. intermedium Bowden Native HOJUI

intermediate barley · Poaceae
Hordeum jubatum L. ssp. jubatum Native HOJUJ

foxtail barley · Poaceae
Hordeum pusillum Nutt. Native HOPU

little barley · Poaceae
Hymenopappus filifolius Hook. Native HYFI

fineleaf hymenopappus · Asteraceae
Hymenopappus filifolius Hook. var. polycephalus (Osterh.) B.L. Turner Native HYFIP3

manyhead hymenopappus · Asteraceae
Hymenoxys richardsonii (Hook.) Cockerell Native HYRI

pingue rubberweed · Asteraceae
Hymenoxys richardsonii (Hook.) Cockerell var. richardsonii Native HYRIR

pingue rubberweed · Asteraceae
Iva axillaris Pursh Native IVAX

povertyweed · Asteraceae
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 dudleyi Wiegand Native JUDU2

Dudley's rush · Juncaceae
Juncus interior Wiegand Native JUIN2

inland rush · Juncaceae
Juncus longistylis Torr. Native JULO

longstyle 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
Koeleria macrantha (Ledeb.) Schult. Native KOMA

prairie Junegrass · Poaceae
Krascheninnikovia lanata (Pursh) A. Meeuse & Smit Native KRLA2

winterfat · Chenopodiaceae
Lactuca ludoviciana (Nutt.) Riddell Native LALU

biannual lettuce · Asteraceae
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
Lappula cenchrusoides A. Nelson Native LACE

Great Plains stickseed · Boraginaceae
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
Lathyrus ochroleucus Hook. Native LAOC2

cream pea · Fabaceae
Lemna minor L. Native LEMI3

common duckweed · Lemnaceae
Lemna turionifera Landolt Native LETU2

turion 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
Leptochloa fusca (L.) Kunth Native LEFU21

Malabar sprangletop · Poaceae
Leptochloa fusca (L.) Kunth ssp. fascicularis (Lam.) N. Snow Native LEFUF

bearded sprangletop · Poaceae
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
Lesquerella alpina (Nutt.) S. Watson var. spatulata (Rydb.) Payson Native LEALS

alpine bladderpod · Brassicaceae
Lesquerella arenosa (Richardson) Rydb. Native LEAR6

Great Plains bladderpod · Brassicaceae
Lesquerella arenosa (Richardson) Rydb. var. arenosa Native LEARA2

Great Plains bladderpod · Brassicaceae
Lesquerella ludoviciana (Nutt.) S. Watson Native LELU

foothill bladderpod · Brassicaceae
Leucanthemum vulgare Lam. Introduced LEVU

oxeye daisy · Asteraceae
Lewisia rediviva Pursh Native LERE7

bitter root · Portulacaceae
Leymus cinereus (Scribn. & Merr.) Á. Löve Native LECI4

basin wildrye · Poaceae
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
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. longiflora (Torr.) Hultén Native LIBOL2

longtube twinflower · Caprifoliaceae
Linum australe A. Heller Native LIAU4

southern flax · Linaceae
Linum australe A. Heller var. australe Native LIAUA

southern flax · Linaceae
Linum compactum A. Nelson Native LICO3

Wyoming flax · Linaceae
Linum lewisii Pursh Native LILE3

Lewis flax · Linaceae
Linum lewisii Pursh var. lewisii Native LILEL2

prairie flax · Linaceae
Linum rigidum Pursh Native LIRI

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

stiffstem flax · Linaceae
Lithophragma parviflorum (Hook.) Nutt. ex Torr. & A. Gray Native LIPA5

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

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

western stoneseed · Boraginaceae
Logfia arvensis (L.) Holub Introduced LOAR5

field cottonrose · Asteraceae
Lolium perenne L. Introduced LOPE

perennial ryegrass · Poaceae
Lolium persicum Boiss. & Hohen. ex Boiss. Introduced LOPE2

Persian ryegrass · Poaceae
Lomatium cous (S. Watson) J.M. Coult. & Rose Native LOCO4

cous biscuitroot · Apiaceae
Lomatium foeniculaceum (Nutt.) J.M. Coult. & Rose Native LOFO

desert biscuitroot · Apiaceae
Lomatium foeniculaceum (Nutt.) J.M. Coult. & Rose ssp. foeniculaceum Native LOFOF2

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

bigseed biscuitroot · Apiaceae
Lonicera tatarica L. Introduced LOTA

Tatarian honeysuckle · Caprifoliaceae
Lotus corniculatus L. Introduced LOCO6

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

silvery lupine · Fabaceae
Lupinus pusillus Pursh Native LUPU

rusty lupine · Fabaceae
Lupinus pusillus Pursh ssp. pusillus Native LUPUP

rusty lupine · Fabaceae
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
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 grindelioides (Nutt.) Shinners Native MAGR2

rayless tansyaster · Asteraceae
Machaeranthera grindelioides (Nutt.) Shinners var. grindelioides Native MAGRG

rayless 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
Malus pumila Mill. Introduced MAPU

paradise apple · Rosaceae
Malva parviflora L. Introduced MAPA5

cheeseweed mallow · Malvaceae
Malva sylvestris L. Introduced MASY

high mallow · Malvaceae
Marsilea vestita Hook. & Grev. Native MAVE2

hairy waterclover · Marsileaceae
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
Melilotus officinalis (L.) Lam. Introduced MEOF

sweetclover · Fabaceae
Mentha arvensis L. Native MEAR4

wild mint · Lamiaceae
Mentzelia albicaulis (Hook.) Torr. & A. Gray Native MEAL6

whitestem blazingstar · Loasaceae
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
Mertensia lanceolata (Pursh) DC. Native MELA3

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

nodding microseris · Asteraceae
Mimulus guttatus DC. Native MIGU

seep monkeyflower · Scrophulariaceae
Minuartia rubella (Wahlenb.) Hiern. Native MIRU3

beautiful sandwort · Caryophyllaceae
Mirabilis linearis (Pursh) Heimerl Native MILI3

narrowleaf four o'clock · Nyctaginaceae
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
Muhlenbergia asperifolia (Nees & Meyen ex Trin.) Parodi Native MUAS

scratchgrass · Poaceae
Muhlenbergia cuspidata (Torr. ex Hook.) Rydb. Native MUCU3

plains muhly · Poaceae
Muhlenbergia racemosa (Michx.) Britton, Sterns & Poggenb. Native MURA

marsh muhly · Poaceae
Muhlenbergia richardsonis (Trin.) Rydb. Native MURI

mat muhly · Poaceae
Munroa squarrosa (Nutt.) Torr. Native MUSQ3

false buffalograss · Poaceae
Musineon divaricatum (Pursh) Raf. Native MUDI

leafy wildparsley · Apiaceae
Myosurus minimus L. Native MYMI2

tiny mousetail · Ranunculaceae
Myriophyllum sibiricum Kom. Native MYSI

shortspike watermilfoil · Haloragaceae
Nassella viridula (Trin.) Barkworth Native NAVI4

green needlegrass · Poaceae
Nasturtium officinale W.T. Aiton Introduced NAOF

watercress · Brassicaceae
Navarretia saximontana S.C. Spencer Native NASA3

Rocky Mountain Pincushion-Plant · Polemoniaceae
Nepeta cataria L. Introduced NECA2

catnip · Lamiaceae
Nothocalais cuspidata (Pursh) Greene Native NOCU

prairie false dandelion · Asteraceae
Oenothera albicaulis Pursh Native OEAL

whitest evening primrose · Onagraceae
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 pallida Lindl. Native OEPA

pale evening primrose · Onagraceae
Oenothera pallida Lindl. ssp. trichocalyx (Nutt.) Munz & W. Klein Native OEPAT

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

scarlet beeblossom · Onagraceae
Oenothera villosa Thunb. Native OEVI

hairy evening primrose · Onagraceae
Oenothera villosa Thunb. ssp. strigosa (Rydb.) W. Dietr. & P.H. Raven Native OEVIS

hairy evening primrose · 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
Opuntia fragilis (Nutt.) Haw. Native OPFR

brittle pricklypear · Cactaceae
Opuntia polyacantha Haw. Native OPPO

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

hairspine pricklypear · Cactaceae
Orobanche fasciculata Nutt. Native ORFA

clustered 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
Oryzopsis asperifolia Michx. Native ORAS

roughleaf ricegrass · Poaceae
Osmorhiza berteroi DC. Native OSBE

sweetcicely · Apiaceae
Osmorhiza depauperata Phil. Native OSDE

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

longstyle sweetroot · Apiaceae
Oxalis corniculata L. Native OXCO

creeping woodsorrel · Oxalidaceae
Oxytropis besseyi (Rydb.) Blank. Native OXBE2

Bessey's locoweed · Fabaceae
Oxytropis besseyi (Rydb.) Blank. var. besseyi Native OXBEB

Bessey's locoweed · Fabaceae
Oxytropis campestris (L.) DC. Native OXCA4

field locoweed · Fabaceae
Oxytropis campestris (L.) DC. var. spicata Hook. Native OXCAS3

field locoweed · Fabaceae
Oxytropis lambertii Pursh Native OXLA3

purple locoweed · Fabaceae
Oxytropis lambertii Pursh var. lambertii Native OXLAL2

purple locoweed · Fabaceae
Oxytropis sericea Nutt. Native OXSE

white locoweed · Fabaceae
Oxytropis sericea Nutt. var. sericea Native OXSES

white locoweed · Fabaceae
Oxytropis sericea Nutt. var. speciosa (Torr. & A. Gray) S.L. Welsh Native OXSES2

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 paupercula (Michx.) Á. Löve & D. Löve Native PAPA20

balsam groundsel · Asteraceae
Panicum capillare L. Native PACA6

witchgrass · Poaceae
Panicum miliaceum L. Introduced PAMI2

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

broomcorn millet · Poaceae
Parietaria pensylvanica Muhl. ex Willd. Native PAPE5

Pennsylvania pellitory · Urticaceae
Paronychia sessiliflora Nutt. Native PASE

creeping nailwort · Caryophyllaceae
Pascopyrum smithii (Rydb.) Á. Löve Native PASM

western wheatgrass · Poaceae
Pediomelum argophyllum (Pursh) J. Grimes Native PEAR6

silverleaf Indian breadroot · Fabaceae
Pediomelum esculentum (Pursh) Rydb. Native PEES

large Indian breadroot · Fabaceae
Peganum harmala L. Introduced PEHA

harmal peganum · Zygophyllaceae
Pellaea glabella Mett. ex Kuhn Native PEGL

smooth cliffbrake · Pteridaceae
Pellaea glabella Mett. ex Kuhn ssp. occidentalis (E.E. Nelson) Windham Native PEGLO3

western dwarf cliffbrake · Pteridaceae
Penstemon albidus Nutt. Native PEAL2

white penstemon · Scrophulariaceae
Penstemon gracilis Nutt. Native PEGR5

lilac penstemon · Scrophulariaceae
Penstemon grandiflorus Nutt. Native PEGR7

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

waxleaf penstemon · Scrophulariaceae
Penstemon nitidus Douglas ex Benth. var. nitidus Native PENIN

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
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
Phacelia linearis (Pursh) Holz. Native PHLI

threadleaf phacelia · Hydrophyllaceae
Phacelia thermalis Greene Native PHTH

heated phacelia · Hydrophyllaceae
Phalaris arundinacea L. Native PHAR3

reed canarygrass · Poaceae
Phleum alpinum L. Native PHAL2

alpine timothy · Poaceae
Phleum pratense L. Introduced PHPR3

timothy · Poaceae
Phlox alyssifolia Greene Native PHAL3

alyssumleaf phlox · Polemoniaceae
Phlox andicola E.E. Nelson Native PHAN4

prairie phlox · Polemoniaceae
Phlox hoodii Richardson Native PHHO

spiny phlox · Polemoniaceae
Phragmites australis (Cav.) Trin. ex Steud. Both PHAU7

common reed · Poaceae
Physaria brassicoides Rydb. Native PHBR5

double twinpod · Brassicaceae
Picradeniopsis oppositifolia (Nutt.) Rydb. ex Britton Native PIOP

oppositeleaf bahia · Asteraceae
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 ponderosa Lawson & C. Lawson Native PIPO

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

ponderosa pine · Pinaceae
Piptatheropsis micrantha (Trin. & Rupr.) Romasch., P.M. Peterson & R.J. Soreng Native PIMI

littleseed ricegrass · Poaceae
Plagiobothrys leptocladus (Greene) I.M. Johnst. Native PLLE

finebranched popcornflower · Boraginaceae
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 elongata Pursh Native PLEL

prairie plantain · Plantaginaceae
Plantago elongata Pursh ssp. elongata Native PLELE

prairie plantain · Plantaginaceae
Plantago major L. Introduced PLMA2

common plantain · Plantaginaceae
Plantago patagonica Jacq. Native PLPA2

woolly plantain · Plantaginaceae
Platanthera aquilonis Sheviak Native PLAQ2

northern green orchid · Orchidaceae
Poa arida Vasey Native POAR3

plains bluegrass · Poaceae
Poa bulbosa L. Introduced POBU

bulbous bluegrass · Poaceae
Poa compressa L. Introduced POCO

Canada bluegrass · Poaceae
Poa cusickii Vasey Native POCU3

Cusick's bluegrass · Poaceae
Poa cusickii Vasey ssp. pallida Soreng Native POCUP3

Cusick's bluegrass · Poaceae
Poa glauca Vahl Native POGL

glaucous bluegrass · Poaceae
Poa glauca Vahl ssp. glauca Native POGLG

glaucous bluegrass · Poaceae
Poa nemoralis L. Both PONE

wood bluegrass · Poaceae
Poa nemoralis L. ssp. interior (Rydb.) W.A. Weber Native PONEI2

inland bluegrass · Poaceae
Poa palustris L. Native POPA2

fowl bluegrass · Poaceae
Poa pratensis L. Both POPR

Kentucky bluegrass · Poaceae
Poa secunda J. Presl Native POSE

Sandberg bluegrass · Poaceae
Poa wheeleri Vasey Native POWH2

Wheeler's bluegrass · Poaceae
Polanisia dodecandra (L.) DC. Native PODO3

redwhisker clammyweed · Capparaceae
Polanisia dodecandra (L.) DC. ssp. trachysperma (Torr. & A. Gray) Iltis Native PODOT

sandyseed clammyweed · Capparaceae
Polygala alba Nutt. Native POAL4

white milkwort · Polygalaceae
Polygala verticillata L. Native POVE

whorled milkwort · Polygalaceae
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 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 erectum L. Native POER2

erect knotweed · Polygonaceae
Polygonum lapathifolium L. Native POLA4

curlytop 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
Polypogon monspeliensis (L.) Desf. Introduced POMO5

annual rabbitsfoot grass · Poaceae
Populus angustifolia James Native POAN3

narrowleaf cottonwood · Salicaceae
Populus balsamifera L. Native POBA2

balsam poplar · Salicaceae
Populus balsamifera L. ssp. balsamifera Native POBAB2

balsam poplar · Salicaceae
Populus deltoides W. Bartram ex Marshall Native PODE3

eastern cottonwood · Salicaceae
Populus deltoides W. Bartram ex Marshall ssp. monilifera (Aiton) Eckenwalder Native PODEM

plains cottonwood · Salicaceae
Populus tremuloides Michx. Native POTR5

quaking aspen · Salicaceae
Populus ×brayshawii B. Boivin [angustifolia × balsamifera] Native POBR7

hybrid balsam poplar · Salicaceae
Portulaca oleracea L. Both POOL

little hogweed · Portulacaceae
Potamogeton diversifolius Raf. Native PODI

waterthread pondweed · Potamogetonaceae
Potamogeton foliosus Raf. Native POFO3

leafy pondweed · Potamogetonaceae
Potamogeton foliosus Raf. ssp. foliosus Native POFOF4

leafy pondweed · Potamogetonaceae
Potamogeton friesii Rupr. Native POFR3

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

Richardson's pondweed · Potamogetonaceae
Potamogeton zosteriformis Fernald Native POZO

flatstem pondweed · Potamogetonaceae
Potentilla arguta Pursh Native POAR7

tall cinquefoil · Rosaceae
Potentilla arguta Pursh ssp. arguta Native POARA4

tall cinquefoil · Rosaceae
Potentilla biennis Greene Native POBI7

biennial cinquefoil · Rosaceae
Potentilla bipinnatifida Douglas ex Hook. Native POBI10

tansy cinquefoil · Rosaceae
Potentilla concinna Richardson Native POCO13

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

elegant cinquefoil · Rosaceae
Potentilla effusa Douglas ex Lehm. Native POEF

branched cinquefoil · Rosaceae
Potentilla glandulosa Lindl. Native POGL9

sticky cinquefoil · Rosaceae
Potentilla glandulosa Lindl. ssp. glabrata (Rydb.) D.D. Keck Native POGLG3

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

slender cinquefoil · Rosaceae
Potentilla gracilis Douglas ex Hook. var. fastigiata (Nutt.) S. Watson Native POGRF2

slender cinquefoil · Rosaceae
Potentilla hippiana Lehm. Native POHI6

woolly cinquefoil · Rosaceae
Potentilla hippiana Lehm. var. hippiana Native POHIH

woolly 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 paradoxa Nutt. Native POPA15

Paradox cinquefoil · Rosaceae
Potentilla pensylvanica L. Native POPE8

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

Pennsylvania cinquefoil · Rosaceae
Potentilla pulcherrima Lehm. Native POPU9

beautiful cinquefoil · Rosaceae
Potentilla recta L. Introduced PORE5

sulphur cinquefoil · Rosaceae
Potentilla rivalis Nutt. Native PORI3

brook cinquefoil · Rosaceae
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
Pseudoroegneria spicata (Pursh) Á. Löve Native PSSP6

bluebunch wheatgrass · Poaceae
Pseudoroegneria spicata (Pursh) Á. Löve ssp. spicata Native PSSPS

bluebunch wheatgrass · Poaceae
Pseudotsuga menziesii (Mirb.) Franco Native PSME

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

Rocky Mountain Douglas-fir · Pinaceae
Psilocarphus brevissimus Nutt. Native PSBR

short woollyheads · Asteraceae
Psilocarphus brevissimus Nutt. var. brevissimus Native PSBRB

short woollyheads · Asteraceae
Psoralidium tenuiflorum (Pursh) Rydb. Native PSTE5

slimflower scurfpea · Fabaceae
Pterospora andromedea Nutt. Native PTAN2

woodland pinedrops · Monotropaceae
Puccinellia nuttalliana (Schult.) Hitchc. Native PUNU2

Nuttall's alkaligrass · Poaceae
Pulsatilla patens (L.) Mill. Native PUPA5

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

cutleaf anemone · Ranunculaceae
Pyrola asarifolia Michx. Native PYAS

liverleaf wintergreen · Pyrolaceae
Pyrola asarifolia Michx. ssp. asarifolia Native PYASA

liverleaf wintergreen · Pyrolaceae
Pyrola chlorantha Sw. Native PYCH

greenflowered wintergreen · Pyrolaceae
Ranunculus abortivus L. Native RAAB

littleleaf buttercup · Ranunculaceae
Ranunculus aquatilis L. Native RAAQ

white water crowfoot · Ranunculaceae
Ranunculus cymbalaria Pursh Native RACY

alkali buttercup · Ranunculaceae
Ranunculus glaberrimus Hook. Native RAGL

sagebrush buttercup · Ranunculaceae
Ranunculus longirostris Godr. Native RALO2

longbeak buttercup · Ranunculaceae
Ranunculus macounii Britton Native RAMA2

Macoun's buttercup · Ranunculaceae
Ratibida columnifera (Nutt.) Wooton & Standl. Native RACO3

upright prairie coneflower · Asteraceae
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 aureum Pursh var. aureum Native RIAUA

golden currant · Grossulariaceae
Ribes aureum Pursh var. villosum DC. Native RIAUV

golden currant · Grossulariaceae
Ribes cereum Douglas Native RICE

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

prickly currant · Grossulariaceae
Ribes oxyacanthoides L. Native RIOX

Canadian gooseberry · Grossulariaceae
Ribes oxyacanthoides L. ssp. irriguum (Douglas) Sinnott Native RIOXI

Idaho gooseberry · Grossulariaceae
Ribes oxyacanthoides L. ssp. oxyacanthoides Native RIOXO

Canadian gooseberry · Grossulariaceae
Rorippa curvipes Greene Native ROCU2

bluntleaf yellowcress · Brassicaceae
Rorippa curvipes Greene var. curvipes Native ROCUC

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

curvepod yellowcress · Brassicaceae
Rorippa sinuata (Nutt.) Hitchc. Native ROSI2

spreading 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. arkansana Native ROARA

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

prairie rose · Rosaceae
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
Rosa woodsii Lindl. var. woodsii Native ROWOW

Woods' rose · Rosaceae
Rubus idaeus L. Both RUID

American red raspberry · Rosaceae
Rubus idaeus L. ssp. strigosus (Michx.) Focke Native RUIDS2

grayleaf red raspberry · Rosaceae
Rubus parviflorus Nutt. Native RUPA

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

thimbleberry · Rosaceae
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
Rumex patientia L. Introduced RUPA5

patience dock · Polygonaceae
Rumex salicifolius Weinm. Native RUSA

willow dock · Polygonaceae
Rumex salicifolius Weinm. var. denticulatus Torr. Native RUSAD

toothed willow dock · Polygonaceae
Rumex salicifolius Weinm. var. mexicanus (Meisn.) C.L. Hitchc. Native RUSAM

Mexican dock · Polygonaceae
Rumex stenophyllus Ledeb. Introduced RUST4

narrowleaf dock · Polygonaceae
Sagittaria calycina Engelm. Native SACA21

hooded arrowhead · Alismataceae
Sagittaria calycina Engelm. var. calycina Native SACAC

hooded arrowhead · Alismataceae
Sagittaria cuneata Sheldon Native SACU

arumleaf arrowhead · Alismataceae
Salicornia rubra A. Nelson Native SARU

red swampfire · Chenopodiaceae
Salix amygdaloides Andersson Native SAAM2

peachleaf willow · Salicaceae
Salix bebbiana Sarg. Native SABE2

Bebb willow · Salicaceae
Salix exigua Nutt. Native SAEX

narrowleaf willow · Salicaceae
Salix interior Rowlee Native SAIN3

sandbar willow · Salicaceae
Salix lutea Nutt. Native SALU2

yellow willow · Salicaceae
Salix scouleriana Barratt ex Hook. Native SASC

Scouler's willow · Salicaceae
Salsola tragus L. Introduced SATR12

prickly Russian thistle · Chenopodiaceae
Sanicula marilandica L. Native SAMA2

Maryland sanicle · Apiaceae
Sarcobatus vermiculatus (Hook.) Torr. Native SAVE4

greasewood · Chenopodiaceae
Saxifraga occidentalis S. Watson Native SAOC4

Alberta saxifrage · Saxifragaceae
Schedonnardus paniculatus (Nutt.) Trel. Native SCPA

tumblegrass · Poaceae
Schedonorus arundinaceus (Schreb.) Dumort., nom. cons. Introduced SCAR7

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

meadow fescue · Poaceae
Schizachne purpurascens (Torr.) Swallen Native SCPU

false melic · Poaceae
Schizachyrium scoparium (Michx.) Nash Native SCSC

little bluestem · Poaceae
Schizachyrium scoparium (Michx.) Nash var. scoparium Native SCSCS

little bluestem · Poaceae
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 acutus (Muhl. ex Bigelow) Á. Löve & D. Löve var. occidentalis (S. Watson) S.G. Sm. Native SCACO2

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

chairmaker's bulrush · Cyperaceae
Schoenoplectus heterochaetus (Chase) Soják Native SCHE5

slender bulrush · Cyperaceae
Schoenoplectus pungens (Vahl) Palla Native SCPU10

common threesquare · Cyperaceae
Schoenoplectus pungens (Vahl) Palla var. pungens Native SCPUP5

common threesquare · Cyperaceae
Schoenoplectus tabernaemontani (C.C. Gmel.) Palla Native SCTA2

softstem bulrush · Cyperaceae
Scorzonera laciniata L. Introduced SCLA6

cutleaf vipergrass · Asteraceae
Sedum lanceolatum Torr. Native SELA

spearleaf stonecrop · Crassulaceae
Selaginella densa Rydb. Native SEDE2

lesser spikemoss · Selaginellaceae
Senecio eremophilus Richardson Native SEER2

desert ragwort · Asteraceae
Senecio eremophilus Richardson var. eremophilus Native SEERE

desert ragwort · Asteraceae
Senecio integerrimus Nutt. Native SEIN2

lambstongue ragwort · Asteraceae
Senecio integerrimus Nutt. var. exaltatus (Nutt.) Cronquist Native SEINE

Columbia ragwort · Asteraceae
Senecio integerrimus Nutt. var. integerrimus Native SEINI

lambstongue ragwort · Asteraceae
Senecio integerrimus Nutt. var. scribneri (Rydb.) T.M. Barkley Native SEINS

Scribner's ragwort · 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
Silene csereii Baumg. Introduced SICS

Balkan catchfly · Caryophyllaceae
Silene drummondii Hook. Native SIDR

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

Drummond's campion · Caryophyllaceae
Silene drummondii Hook. var. striata (Rydb.) Bocquet Native SIDRS

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

bladder campion · Caryophyllaceae
Silene menziesii Hook. Native SIME

Menzies' campion · Caryophyllaceae
Silene vulgaris (Moench) Garcke Introduced SIVU

maidenstears · Caryophyllaceae
Sisymbrium altissimum L. Introduced SIAL2

tall tumblemustard · Brassicaceae
Sisymbrium loeselii L. Introduced SILO3

small tumbleweed mustard · Brassicaceae
Sisyrinchium montanum Greene Native SIMO2

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

strict blue-eyed grass · Iridaceae
Smilax lasioneura Hook. Native SMLA3

Blue Ridge carrionflower · Smilacaceae
Solanum rostratum Dunal Native SORO

buffalobur nightshade · Solanaceae
Solanum triflorum Nutt. Native SOTR

cutleaf nightshade · Solanaceae
Solidago canadensis L. Native SOCA6

Canada goldenrod · Asteraceae
Solidago canadensis L. var. gilvocanescens Rydb. Native SOCAG

shorthair goldenrod · Asteraceae
Solidago canadensis L. var. lepida (DC.) Cronquist Native SOCAL

Canada goldenrod · Asteraceae
Solidago canadensis L. var. salebrosa (Piper) M.E. Jones Native SOCAS

rough 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 nemoralis Aiton Native SONE

gray goldenrod · Asteraceae
Solidago nemoralis Aiton var. longipetiolata (Mack. & Bush) Palmer & Steyerm. Native SONEL

gray 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 arvensis L. ssp. uliginosus (M. Bieb.) Nyman Introduced SOARU

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

spiny sowthistle · Asteraceae
Sonchus oleraceus L. Introduced SOOL

common sowthistle · Asteraceae
Spartina gracilis Trin. Native SPGR

alkali cordgrass · Poaceae
Spartina pectinata Bosc ex Link Native SPPE

prairie cordgrass · Poaceae
Spergularia salina J. Presl & C. Presl Native SPSA5

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

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

scarlet globemallow · Malvaceae
Sphenopholis intermedia (Rydb.) Rydb. Native SPIN3

slender wedgescale · Poaceae
Sphenopholis obtusata (Michx.) Scribn. Native SPOB

prairie wedgescale · Poaceae
Spiraea lucida Douglas ex Greene Native SPLU5

shinyleaf spirea · Rosaceae
Sporobolus airoides (Torr.) Torr. Native SPAI

alkali sacaton · Poaceae
Sporobolus cryptandrus (Torr.) A. Gray Native SPCR

sand dropseed · Poaceae
Stachys pilosa Nutt. Native STPI6

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

hairy hedgenettle · Lamiaceae
Stellaria longifolia Muhl. ex Willd. Native STLO

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

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

common chickweed · Caryophyllaceae
Stenotus acaulis (Nutt.) Nutt. Native STAC

stemless mock goldenweed · Asteraceae
Stenotus armerioides Nutt. Native STAR10

thrift mock goldenweed · Asteraceae
Stenotus armerioides Nutt. var. armerioides Native STARA

thrift mock goldenweed · Asteraceae
Stephanomeria minor (Hook.) Nutt. Native STMI13

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

narrowleaf wirelettuce · Asteraceae
Stephanomeria runcinata Nutt. Native STRU3

desert wirelettuce · Asteraceae
Streptopus amplexifolius (L.) DC. Both STAM2

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

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

Pursh seepweed · Chenopodiaceae
Suaeda moquinii (Torr.) Greene Native SUMO

Mojave seablite · Chenopodiaceae
Symphoricarpos albus (L.) S.F. Blake Native SYAL

common snowberry · Caprifoliaceae
Symphoricarpos albus (L.) S.F. Blake var. albus Native SYALA

common snowberry · Caprifoliaceae
Symphoricarpos albus (L.) S.F. Blake var. laevigatus (Fernald) S.F. Blake Native SYALL

common snowberry · Caprifoliaceae
Symphoricarpos occidentalis Hook. Native SYOC

western snowberry · Caprifoliaceae
Symphoricarpos oreophilus A. Gray Native SYOR2

mountain snowberry · Caprifoliaceae
Symphoricarpos oreophilus A. Gray var. utahensis (Rydb.) A. Nelson Native SYORU

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

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

rayless alkali aster · Asteraceae
Symphyotrichum ciliolatum (Lindl.) Á. Löve & D. Löve Native SYCI

Lindley's aster · Asteraceae
Symphyotrichum eatonii (A. Gray) G.L. Nesom Native SYEA2

Eaton's aster · Asteraceae
Symphyotrichum ericoides (L.) G.L. Nesom Native SYER

white heath aster · Asteraceae
Symphyotrichum ericoides (L.) G.L. Nesom var. pansum (S.F. Blake) G.L. Nesom Native SYERP2

manyflowered aster · Asteraceae
Symphyotrichum falcatum (Lindl.) G.L. Nesom Native SYFA

white prairie aster · Asteraceae
Symphyotrichum falcatum (Lindl.) G.L. Nesom var. commutatum (Torr. & A. Gray) G.L. Nesom Native SYFAC

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

white prairie 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
Taraxacum laevigatum (Willd.) DC. Introduced TALA2

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

common dandelion · 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
Thalictrum occidentale A. Gray Native THOC

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

veiny meadow-rue · Ranunculaceae
Thermopsis rhombifolia (Nutt. ex Pursh) Nutt. ex Richardson Native THRH

prairie thermopsis · Fabaceae
Thinopyrum intermedium (Host) Barkworth & D.R. Dewey Introduced THIN6

intermediate wheatgrass · Poaceae
Thinopyrum ponticum (Podp.) Z.-W. Liu & R.-C. Wang Introduced THPO7

tall wheatgrass · Poaceae
Thlaspi arvense L. Introduced THAR5

field pennycress · Brassicaceae
Townsendia hookeri Beaman Native TOHO

Hooker'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 pratensis L. Introduced TRPR

Jack-go-to-bed-at-noon · Asteraceae
Trifolium aureum Pollich Introduced TRAU2

golden 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
Triodanis leptocarpa (Nutt.) Nieuwl. Native TRLE3

slimpod Venus' looking-glass · Campanulaceae
Triticum aestivum L. Introduced TRAE

common wheat · Poaceae
Typha angustifolia L. Both TYAN

narrowleaf cattail · Typhaceae
Typha latifolia L. Native TYLA

broadleaf cattail · Typhaceae
Typha ×glauca Godr. (pro sp.) [angustifolia or domingensis × latifolia] Native TYGL

hybrid cattail · Typhaceae
Ulmus americana L. Native ULAM

American elm · Ulmaceae
Urtica dioica L. Both URDI

stinging nettle · Urticaceae
Urtica dioica L. ssp. gracilis (Aiton) Seland. Native URDIG

California nettle · Urticaceae
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 peregrina L. Native VEPE2

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

hairy purslane speedwell · Scrophulariaceae
Viburnum edule (Michx.) Raf. Native VIED

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

American vetch · Fabaceae
Vicia americana Muhl. ex Willd. ssp. americana Native VIAMA3

American vetch · Fabaceae
Vicia americana Muhl. ex Willd. ssp. minor (Hook.) C.R. Gunn Native VIAMM3

mat vetch · Fabaceae
Viola adunca Sm. Native VIAD

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

hookedspur violet · Violaceae
Viola canadensis L. Native VICA4

Canadian white violet · Violaceae
Viola nuttallii Pursh Native VINU2

Nuttall's violet · Violaceae
Viola vallicola A. Nelson Native VIVA

sagebrush violet · Violaceae
Vulpia octoflora (Walter) Rydb. Native VUOC

sixweeks fescue · Poaceae
Vulpia octoflora (Walter) Rydb. var. glauca (Nutt.) Fernald Native VUOCG

sixweeks fescue · Poaceae
Vulpia octoflora (Walter) Rydb. var. octoflora Native VUOCO

sixweeks fescue · Poaceae
Woodsia oregana D.C. Eaton Native WOOR

Oregon cliff fern · Dryopteridaceae
Woodsia oregana D.C. Eaton ssp. cathcartiana (B.L. Rob.) Windham Native WOORC2

Oregon cliff fern · Dryopteridaceae
Woodsia scopulina D.C. Eaton Native WOSC

Rocky Mountain woodsia · Dryopteridaceae
Woodsia scopulina D.C. Eaton ssp. scopulina Native WOSCS

Rocky Mountain woodsia · Dryopteridaceae
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
Zannichellia palustris L. Native ZAPA

horned pondweed · Zannichelliaceae
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
×Elyhordeum macounii (Vasey) Barkworth & D.R. Dewey [Elymus trachycaulus × Hordeum jubatum] Native ELMA8

Macoun's barley · Poaceae