Custer County

Montana

FIPS: 30017
Taxa recorded: 458
Of which native: 363
Introduced: 85

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Showing 458 of 458.

Abutilon theophrasti Medik. Introduced ABTH

velvetleaf · Malvaceae
Acer negundo L. Native ACNE2

boxelder · Aceraceae
Achillea millefolium L. Both ACMI2

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

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

Indian ricegrass · Poaceae
Acroptilon repens (L.) DC. Introduced ACRE3

hardheads · 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
Agrostis stolonifera L. Introduced AGST2

creeping bentgrass · Poaceae
Allium geyeri S. Watson Native ALGE

Geyer's onion · Liliaceae
Allium textile A. Nelson & J.F. Macbr. Native ALTE

textile onion · Liliaceae
Alopecurus arundinaceus Poir. Introduced ALAR

creeping meadow foxtail · Poaceae
Amaranthus albus L. Introduced AMAL

prostrate pigweed · Amaranthaceae
Amaranthus blitoides S. Watson Introduced AMBL

mat amaranth · Amaranthaceae
Ambrosia psilostachya DC. Native AMPS

Cuman ragweed · Asteraceae
Androsace occidentalis Pursh Native ANOC2

western rockjasmine · Primulaceae
Antennaria dimorpha (Nutt.) Torr. & A. Gray Native ANDI2

low pussytoes · Asteraceae
Antennaria parvifolia Nutt. Native ANPA4

small-leaf 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 holboellii Hornem. Native ARHO2

Holboell's rockcress · Brassicaceae
Arctostaphylos uva-ursi (L.) Spreng. Native ARUV

kinnikinnick · Ericaceae
Aristida purpurea Nutt. Native ARPU9

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

Fendler threeawn · Poaceae
Arnica sororia Greene Native ARSO2

twin arnica · Asteraceae
Artemisia absinthium L. Introduced ARAB3

absinthium · Asteraceae
Artemisia cana Pursh Native ARCA13

silver sagebrush · Asteraceae
Artemisia frigida Willd. Native ARFR4

prairie sagewort · Asteraceae
Artemisia ludoviciana Nutt. Both ARLU

white sagebrush · Asteraceae
Artemisia tridentata Nutt. Native ARTR2

big sagebrush · Asteraceae
Asclepias speciosa Torr. Native ASSP

showy milkweed · Asclepiadaceae
Asclepias syriaca L. Native ASSY

common milkweed · Asclepiadaceae
Asclepias verticillata L. Native ASVE

whorled milkweed · Asclepiadaceae
Astragalus agrestis Douglas ex G. Don Native ASAG2

purple 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 crassicarpus Nutt. Native ASCR2

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

Drummond's milkvetch · Fabaceae
Astragalus geyeri A. Gray Native ASGE

Geyer's milkvetch · Fabaceae
Astragalus geyeri A. Gray var. geyeri Native ASGEG

Geyer'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 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 spatulatus Sheldon Native ASSP6

tufted milkvetch · Fabaceae
Astragalus tenellus Pursh Native ASTE5

looseflower milkvetch · Fabaceae
Atriplex confertifolia (Torr. & Frém.) S. Watson Native ATCO

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

Gardner's saltbush · Chenopodiaceae
Balsamorhiza sagittata (Pursh) Nutt. Native BASA3

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

burningbush · Chenopodiaceae
Besseya wyomingensis (A. Nelson) Rydb. Native BEWY

Wyoming besseya · Scrophulariaceae
Bidens vulgata Greene Native BIVU

big devils beggartick · Asteraceae
Bouteloua curtipendula (Michx.) Torr. Native BOCU

sideoats grama · Poaceae
Bouteloua curtipendula (Michx.) Torr. var. curtipendula Native BOCUC2

sideoats grama · Poaceae
Bouteloua gracilis (Willd. ex Kunth) Lag. ex Griffiths Native BOGR2

blue grama · Poaceae
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 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 squarrosus L. Introduced BRSQ2

corn brome · Poaceae
Bromus tectorum L. Introduced BRTE

cheatgrass · Poaceae
Calamovilfa longifolia (Hook.) Scribn. Native CALO

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

prairie sandreed · Poaceae
Calochortus nuttallii Torr. & A. Gray Native CANU3

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

yellow sundrops · Onagraceae
Camelina microcarpa Andrz. ex DC. Introduced CAMI2

littlepod false flax · Brassicaceae
Campanula rotundifolia L. Native CARO2

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

shepherd's purse · Brassicaceae
Cardaria chalepensis (L.) Hand.-Maz. Introduced CACH42

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

whitetop · Brassicaceae
Carex duriuscula C.A. Mey. Native CADU6

needleleaf sedge · Cyperaceae
Carex filifolia Nutt. Native CAFI

threadleaf sedge · Cyperaceae
Carex nebrascensis Dewey Native CANE2

Nebraska sedge · Cyperaceae
Castilleja sessiliflora Pursh Native CASE5

downy paintedcup · Scrophulariaceae
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 fontanum Baumg. Introduced CEFO2

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

big chickweed · Caryophyllaceae
Chaenactis douglasii (Hook.) Hook. & Arn. Native CHDO

Douglas' dustymaiden · Asteraceae
Chamaesyce geyeri (Engelm. & A. Gray) Small Native CHGE2

Geyer's sandmat · Euphorbiaceae
Chamaesyce geyeri (Engelm. & A. Gray) Small var. geyeri Native CHGEG

Geyer's sandmat · Euphorbiaceae
Chamaesyce glyptosperma (Engelm.) Small Native CHGL13

ribseed sandmat · Euphorbiaceae
Chamaesyce missurica (Raf.) Shinners Native CHMI8

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

matted sandmat · Euphorbiaceae
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 desiccatum A. Nelson Native CHDE

aridland goosefoot · Chenopodiaceae
Chenopodium leptophyllum (Moq.) Nutt. ex S. Watson Native CHLE4

narrowleaf goosefoot · Chenopodiaceae
Chenopodium subglabrum (S. Watson) A. Nelson Native CHSU2

smooth goosefoot · Chenopodiaceae
Chorispora tenella (Pall.) DC. Introduced CHTE2

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

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

western water hemlock · Apiaceae
Cirsium arvense (L.) Scop. Introduced CIAR4

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

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

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

wavyleaf thistle · Asteraceae
Cleome serrulata Pursh Native CLSE

Rocky Mountain beeplant · Capparaceae
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
Convolvulus arvensis L. Introduced COAR4

field bindweed · Convolvulaceae
Cornus sericea L. Native COSE16

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

redosier dogwood · Cornaceae
Crepis acuminata Nutt. Native CRAC2

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

tapertip hawksbeard · Asteraceae
Crepis atribarba A. Heller Native CRAT

slender hawksbeard · Asteraceae
Cryptantha celosioides (Eastw.) Payson Native CRCE

buttecandle · Boraginaceae
Cryptantha minima Rydb. Native CRMI5

little cryptantha · Boraginaceae
Cuscuta approximata Bab. Introduced CUAP2

alfalfa dodder · Cuscutaceae
Cyclachaena xanthiifolia (Nutt.) Fresen. Native CYXA2

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

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

plains springparsley · Apiaceae
Cystopteris fragilis (L.) Bernh. Native CYFR2

brittle bladderfern · Dryopteridaceae
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
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
Descurainia pinnata (Walter) Britton Native DEPI

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

herb sophia · Brassicaceae
Digitaria ischaemum (Schreb.) Schreb. ex Muhl. Introduced DIIS

smooth crabgrass · Poaceae
Distichlis spicata (L.) Greene Native DISP

saltgrass · Poaceae
Draba densifolia Nutt. Native DRDE

denseleaf draba · Brassicaceae
Echinacea angustifolia DC. Native ECAN2

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

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

barnyardgrass · Poaceae
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
Eleocharis acicularis (L.) Roem. & Schult. Native ELAC

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

needle spikerush · Cyperaceae
Eleocharis macrostachya Britton Native ELMA5

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

Aunt Lucy · Hydrophyllaceae
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 repens (L.) Gould Introduced ELRE4

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

slender wheatgrass · Poaceae
Endolepis dioica (Nutt.) Standl. Native ENDI

Suckley's endolepis · Chenopodiaceae
Epilobium pygmaeum (Speg.) Hoch & P.H. Raven Native EPPY4

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

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

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

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

rubber rabbitbrush · Asteraceae
Erigeron divergens Torr. & A. Gray Native ERDI4

spreading fleabane · Asteraceae
Erigeron pumilus Nutt. Native ERPU2

shaggy fleabane · Asteraceae
Eriogonum annuum Nutt. Native ERAN4

annual buckwheat · Polygonaceae
Eriogonum flavum Nutt. Native ERFL4

alpine golden buckwheat · Polygonaceae
Eriogonum lagopus Rydb. Native ERLA9

parasol buckwheat · Polygonaceae
Eriogonum pauciflorum Pursh Native ERPA9

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

fewflower buckwheat · Polygonaceae
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 vivipara (Nutt.) Buxbaum Native ESVI2

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

spinystar · Cactaceae
Euphorbia brachycera Engelm. Native EUBR

horned spurge · Euphorbiaceae
Euphorbia cyparissias L. Introduced EUCY2

cypress spurge · Euphorbiaceae
Euphorbia esula L. Introduced EUES

leafy spurge · Euphorbiaceae
Euphorbia marginata Pursh Native EUMA8

snow on the mountain · Euphorbiaceae
Euphorbia spathulata Lam. Native EUSP

warty spurge · Euphorbiaceae
Evolvulus nuttallianus Schult. Native EVNU

shaggy dwarf morning-glory · Convolvulaceae
Fraxinus pennsylvanica Marshall Native FRPE

green ash · Oleaceae
Gaillardia aristata Pursh Native GAAR

blanketflower · Asteraceae
Galium aparine L. Native GAAP2

stickywilly · Rubiaceae
Galium boreale L. Native GABO2

northern bedstraw · Rubiaceae
Galium trifidum L. Native GATR2

threepetal bedstraw · Rubiaceae
Geranium carolinianum L. Native GECA5

Carolina geranium · Geraniaceae
Geum triflorum Pursh Native GETR

old man's whiskers · Rosaceae
Glycyrrhiza lepidota Pursh Native GLLE3

American licorice · Fabaceae
Grindelia squarrosa (Pursh) Dunal Native GRSQ

curlycup gumweed · Asteraceae
Grindelia squarrosa (Pursh) Dunal var. quasiperennis Lunell Native GRSQQ

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

broom snakeweed · Asteraceae
Hedeoma drummondii Benth. Native HEDR

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

rough false pennyroyal · Lamiaceae
Helianthus annuus L. Native HEAN3

common 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
Hesperostipa comata (Trin. & Rupr.) Barkworth Native HECO26

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

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. villosa Native HEVIV

hairy false goldenaster · Asteraceae
Hordeum jubatum L. Native HOJU

foxtail barley · Poaceae
Hordeum marinum Huds. Introduced HOMA2

seaside barley · Poaceae
Hordeum marinum Huds. ssp. gussoneanum (Parl.) Thell. Introduced HOMAG

Mediterranean barley · Poaceae
Hordeum pusillum Nutt. Native HOPU

little barley · Poaceae
Humulus lupulus L. Both HULU

common hop · Cannabaceae
Hymenopappus filifolius Hook. Native HYFI

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

manyhead hymenopappus · Asteraceae
Ipomopsis congesta (Hook.) V.E. Grant Native IPCO5

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

ballhead ipomopsis · Polemoniaceae
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 saximontanus A. Nelson Native JUSA

Rocky Mountain rush · Juncaceae
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 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. cupulata (A. Gray) Higgins Native LAOCC

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

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

European stickseed · Boraginaceae
Leonurus cardiaca L. Introduced LECA2

common motherwort · Lamiaceae
Leonurus cardiaca L. ssp. cardiaca Introduced LECAC7

common motherwort · Lamiaceae
Lepidium densiflorum Schrad. Both LEDE

common pepperweed · Brassicaceae
Lepidium perfoliatum L. Introduced LEPE2

clasping pepperweed · Brassicaceae
Lesquerella alpina (Nutt.) S. Watson Native LEAL

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

foothill bladderpod · Brassicaceae
Leucocrinum montanum Nutt. ex A. Gray Native LEMO4

common starlily · Liliaceae
Liatris punctata Hook. Native LIPU

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

dotted blazing star · Asteraceae
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 perenne L. Introduced LIPE2

blue flax · Linaceae
Linum rigidum Pursh Native LIRI

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

stiffstem flax · Linaceae
Lithospermum incisum Lehm. Native LIIN2

narrowleaf stoneseed · Boraginaceae
Lomatium foeniculaceum (Nutt.) J.M. Coult. & Rose Native LOFO

desert biscuitroot · Apiaceae
Lotus corniculatus L. Introduced LOCO6

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

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

silvery lupine · Fabaceae
Lupinus aridus Douglas Native LUAR7

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

desert lupine · Fabaceae
Lupinus parviflorus Nutt. ex Hook. & Arn. Native LUPA8

lodgepole lupine · Fabaceae
Lupinus parviflorus Nutt. ex Hook. & Arn. ssp. parviflorus Native LUPAP4

lodgepole lupine · Fabaceae
Lupinus pusillus Pursh Native LUPU

rusty lupine · Fabaceae
Lygodesmia juncea (Pursh) D. Don ex Hook. Native LYJU

rush skeletonplant · Asteraceae
Machaeranthera grindelioides (Nutt.) Shinners Native MAGR2

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

rayless tansyaster · Asteraceae
Machaeranthera tanacetifolia (Kunth) Nees Native MATA2

tanseyleaf tansyaster · Asteraceae
Maianthemum stellatum (L.) Link Native MAST4

starry false lily of the valley · Liliaceae
Marsilea vestita Hook. & Grev. Native MAVE2

hairy waterclover · Marsileaceae
Medicago lupulina L. Introduced MELU

black medick · Fabaceae
Melilotus officinalis (L.) Lam. Introduced MEOF

sweetclover · Fabaceae
Mentha arvensis L. Native MEAR4

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

tenpetal blazingstar · Loasaceae
Mentzelia nuda (Pursh) Torr. & A. Gray Native MENU

bractless blazingstar · Loasaceae
Mentzelia nuda (Pursh) Torr. & A. Gray var. stricta (Osterh.) Harrington Native MENUS

bractless blazingstar · Loasaceae
Mertensia oblongifolia (Nutt.) G. Don Native MEOB

oblongleaf bluebells · Boraginaceae
Minuartia obtusiloba (Rydb.) House Native MIOB2

twinflower sandwort · Caryophyllaceae
Mitella pentandra Hook. Native MIPE

fivestamen miterwort · Saxifragaceae
Monolepis nuttalliana (Schult.) Greene Native MONU

Nuttall's povertyweed · Chenopodiaceae
Munroa squarrosa (Nutt.) Torr. Native MUSQ3

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

leafy wildparsley · Apiaceae
Nassella viridula (Trin.) Barkworth Native NAVI4

green needlegrass · Poaceae
Navarretia intertexta (Benth.) Hook. Native NAIN2

needleleaf navarretia · Polemoniaceae
Navarretia intertexta (Benth.) Hook. ssp. propinqua (Suksd.) Day Native NAINP3

near navarretia · Polemoniaceae
Nothocalais cuspidata (Pursh) Greene Native NOCU

prairie false dandelion · Asteraceae
Oenothera albicaulis Pursh Native OEAL

whitest 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 suffrutescens (Ser.) W.L. Wagner & Hoch Native OESU3

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

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

stiff goldenrod · Asteraceae
Opuntia polyacantha Haw. Native OPPO

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

hairspine pricklypear · Cactaceae
Oxytropis besseyi (Rydb.) Blank. Native OXBE2

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

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
Packera cana (Hook.) W.A. Weber & Á. Löve Native PACA15

woolly groundsel · Asteraceae
Packera plattensis (Nutt.) W.A. Weber & Á. Löve Native PAPL12

prairie groundsel · Asteraceae
Panicum capillare L. Native PACA6

witchgrass · Poaceae
Panicum virgatum L. Native PAVI2

switchgrass · Poaceae
Panicum virgatum L. var. virgatum Native PAVIV

switchgrass · Poaceae
Parietaria pensylvanica Muhl. ex Willd. Native PAPE5

Pennsylvania pellitory · Urticaceae
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
Penstemon albidus Nutt. Native PEAL2

white penstemon · Scrophulariaceae
Penstemon eriantherus Pursh Native PEER

fuzzytongue penstemon · Scrophulariaceae
Penstemon gracilis Nutt. Native PEGR5

lilac penstemon · Scrophulariaceae
Penstemon gracilis Nutt. var. gracilis Native PEGRG3

lilac penstemon · Scrophulariaceae
Penstemon nitidus Douglas ex Benth. Native PENI3

waxleaf penstemon · Scrophulariaceae
Phacelia linearis (Pursh) Holz. Native PHLI

threadleaf phacelia · Hydrophyllaceae
Phleum pratense L. Introduced PHPR3

timothy · Poaceae
Phlox alyssifolia Greene Native PHAL3

alyssumleaf phlox · Polemoniaceae
Physalis longifolia Nutt. Native PHLO4

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

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

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

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

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

ponderosa pine · Pinaceae
Piptatheropsis exigua (Thurb.) Romasch., P.M. Peterson & R.J. Soreng Native PIEX4

little ricegrass · Poaceae
Plantago major L. Introduced PLMA2

common plantain · Plantaginaceae
Plantago patagonica Jacq. Native PLPA2

woolly plantain · Plantaginaceae
Poa bulbosa L. Introduced POBU

bulbous bluegrass · Poaceae
Poa compressa L. Introduced POCO

Canada bluegrass · Poaceae
Poa pratensis L. Both POPR

Kentucky bluegrass · Poaceae
Poa secunda J. Presl Native POSE

Sandberg 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
Polygonum arenastrum Jord. ex Boreau Introduced POAR11

oval-leaf knotweed · 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 erectum L. Native POER2

erect knotweed · Polygonaceae
Polygonum lapathifolium L. Native POLA4

curlytop knotweed · Polygonaceae
Polygonum leptocarpum B.L. Rob. Native POLE6

narrowpoint 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 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
Prosartes trachycarpa S. Watson Native PRTR4

roughfruit fairybells · Liliaceae
Prunus americana Marshall Native PRAM

American plum · 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
Pteryxia terebinthina (Hook.) J.M. Coult. & Rose Native PTTE

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

turpentine wavewing · Apiaceae
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 macounii Britton Native RAMA2

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

upright prairie coneflower · Asteraceae
Rhamnus cathartica L. Introduced RHCA3

common buckthorn · Rhamnaceae
Rhus trilobata Nutt. Native RHTR

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

skunkbush sumac · Anacardiaceae
Ribes aureum Pursh Native RIAU

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

golden currant · Grossulariaceae
Ribes cereum Douglas Native RICE

wax currant · Grossulariaceae
Ribes oxyacanthoides L. Native RIOX

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

inland gooseberry · Grossulariaceae
Rorippa calycina (Engelm.) Rydb. Native ROCA

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

spreading yellowcress · Brassicaceae
Rosa arkansana Porter Native ROAR3

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

prairie rose · Rosaceae
Rosa woodsii Lindl. Native ROWO

Woods' rose · Rosaceae
Rumex crispus L. Introduced RUCR

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

curly dock · Polygonaceae
Rumex stenophyllus Ledeb. Introduced RUST4

narrowleaf dock · Polygonaceae
Rumex venosus Pursh Native RUVE2

veiny dock · Polygonaceae
Sagittaria cuneata Sheldon Native SACU

arumleaf arrowhead · Alismataceae
Salix amygdaloides Andersson Native SAAM2

peachleaf willow · Salicaceae
Salix exigua Nutt. Native SAEX

narrowleaf willow · Salicaceae
Salix interior Rowlee Native SAIN3

sandbar willow · Salicaceae
Salsola tragus L. Introduced SATR12

prickly Russian thistle · Chenopodiaceae
Sambucus racemosa L. Native SARA2

red elderberry · Caprifoliaceae
Sambucus racemosa L. var. racemosa Native SARAR3

red elderberry · Caprifoliaceae
Saponaria officinalis L. Introduced SAOF4

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

greasewood · Chenopodiaceae
Schedonnardus paniculatus (Nutt.) Trel. Native SCPA

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

tall fescue · Poaceae
Schoenoplectus americanus (Pers.) Volkart ex Schinz & R. Keller Native SCAM6

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

softstem bulrush · Cyperaceae
Scirpus atrovirens Willd. Native SCAT2

green bulrush · Cyperaceae
Senecio integerrimus Nutt. Native SEIN2

lambstongue ragwort · Asteraceae
Setaria verticillata (L.) P. Beauv. Introduced SEVE3

hooked bristlegrass · Poaceae
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
Silene latifolia Poir. Introduced SILA21

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

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

Parry's silene · Caryophyllaceae
Sisymbrium altissimum L. Introduced SIAL2

tall tumblemustard · Brassicaceae
Smelowskia calycina (Stephan ex Willd.) C.A. Mey. Native SMCA

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

American false candytuft · Brassicaceae
Solanum rostratum Dunal Native SORO

buffalobur nightshade · Solanaceae
Solanum triflorum Nutt. Native SOTR

cutleaf nightshade · Solanaceae
Solidago missouriensis Nutt. Native SOMI2

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

Missouri goldenrod · Asteraceae
Sparganium eurycarpum Engelm. Native SPEU

broadfruit bur-reed · Sparganiaceae
Sphaeralcea coccinea (Nutt.) Rydb. Native SPCO

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

scarlet globemallow · Malvaceae
Sporobolus airoides (Torr.) Torr. Native SPAI

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

sand dropseed · Poaceae
Stellaria media (L.) Vill. Introduced STME2

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

common chickweed · Caryophyllaceae
Suaeda calceoliformis (Hook.) Moq. Native SUCA2

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

Mojave seablite · Chenopodiaceae
Suckleya suckleyana (Torr.) Rydb. Native SUSU2

poison suckleya · Chenopodiaceae
Symphoricarpos occidentalis Hook. Native SYOC

western snowberry · Caprifoliaceae
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 novae-angliae (L.) G.L. Nesom Native SYNO2

New England aster · Asteraceae
Symphyotrichum oblongifolium (Nutt.) G.L. Nesom Native SYOB

aromatic 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 dasycarpum Fisch. & Avé-Lall. Native THDA

purple 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
Thlaspi arvense L. Introduced THAR5

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

stemless Townsend daisy · Asteraceae
Townsendia hookeri Beaman Native TOHO

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

western poison ivy · Anacardiaceae
Tradescantia bracteata Small Native TRBR

longbract spiderwort · Commelinaceae
Tradescantia occidentalis (Britton) Smyth Native TROC

prairie spiderwort · Commelinaceae
Tradescantia occidentalis (Britton) Smyth var. occidentalis Native TROCO

prairie spiderwort · Commelinaceae
Tragopogon dubius Scop. Introduced TRDU

yellow salsify · Asteraceae
Tribulus terrestris L. Introduced TRTE

puncturevine · Zygophyllaceae
Trifolium dubium Sibth. Introduced TRDU2

suckling 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
Triodanis leptocarpa (Nutt.) Nieuwl. Native TRLE3

slimpod Venus' looking-glass · Campanulaceae
Tripterocalyx micranthus (Torr.) Hook. Native TRMI6

smallflower sandverbena · Nyctaginaceae
Typha latifolia L. Native TYLA

broadleaf cattail · Typhaceae
Ulmus americana L. Native ULAM

American elm · Ulmaceae
Urtica dioica L. Both URDI

stinging nettle · Urticaceae
Vaccaria hispanica (Mill.) Rauschert Introduced VAHI2

cow soapwort · Caryophyllaceae
Verbascum thapsus L. Introduced VETH

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

bigbract verbena · Verbenaceae
Vicia americana Muhl. ex Willd. Native VIAM

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

mat vetch · Fabaceae
Vicia sativa L. Introduced VISA

garden vetch · Fabaceae
Vicia sativa L. ssp. nigra (L.) Ehrh. Introduced VISAN2

garden 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 canadensis L. var. rugulosa (Greene) C.L. Hitchc. Native VICAR

creepingroot violet · Violaceae
Viola nuttallii Pursh Native VINU2

Nuttall's violet · Violaceae
Vitis riparia Michx. Native VIRI

riverbank grape · Vitaceae
Vulpia octoflora (Walter) Rydb. Native VUOC

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

sixweeks fescue · Poaceae
Xanthium strumarium L. Native XAST

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

Canada cocklebur · Asteraceae
Yucca glauca Nutt. Native YUGL

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

soapweed yucca · Agavaceae
Zannichellia palustris L. Native ZAPA

horned pondweed · Zannichelliaceae
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