Chouteau County

Montana

FIPS: 30015
Taxa recorded: 423
Of which native: 297
Introduced: 117

Filter & sort

Sort by

Showing 423 of 423.

Acer negundo L. Native ACNE2

boxelder · Aceraceae
Achillea millefolium L. Both ACMI2

common yarrow · Asteraceae
Acroptilon repens (L.) DC. Introduced ACRE3

hardheads · Asteraceae
Aegilops cylindrica Host Introduced AECY

jointed goatgrass · Poaceae
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 textile A. Nelson & J.F. Macbr. Native ALTE

textile onion · Liliaceae
Alopecurus arundinaceus Poir. Introduced ALAR

creeping 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 blitoides S. Watson Introduced AMBL

mat amaranth · Amaranthaceae
Amaranthus retroflexus L. Native AMRE

redroot amaranth · Amaranthaceae
Amelanchier alnifolia (Nutt.) Nutt. ex M. Roem. Native AMAL2

Saskatoon serviceberry · Rosaceae
Androsace septentrionalis L. Native ANSE4

pygmyflower rockjasmine · Primulaceae
Anemone multifida Poir. Native ANMU

Pacific anemone · Ranunculaceae
Angelica arguta Nutt. Native ANAR3

Lyall's angelica · Apiaceae
Antennaria lanata (Hook.) Greene Native ANLA3

woolly pussytoes · Asteraceae
Antennaria rosea Greene Native ANRO2

rosy pussytoes · Asteraceae
Arabidopsis thaliana (L.) Heynh. Introduced ARTH

mouseear cress · Brassicaceae
Arabis drummondii A. Gray Native ARDR

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

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

Nuttall's rockcress · Brassicaceae
Arctium lappa L. Introduced ARLA3

greater burdock · Asteraceae
Arctium minus Bernh. Introduced ARMI2

lesser burdock · Asteraceae
Arenaria congesta Nutt. Native ARCO5

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

silverweed cinquefoil · Rosaceae
Artemisia absinthium L. Introduced ARAB3

absinthium · Asteraceae
Artemisia campestris L. Native ARCA12

field sagewort · Asteraceae
Artemisia cana Pursh Native ARCA13

silver sagebrush · Asteraceae
Artemisia dracunculus L. Native ARDR4

tarragon · Asteraceae
Artemisia frigida Willd. Native ARFR4

prairie sagewort · Asteraceae
Artemisia ludoviciana Nutt. Both ARLU

white sagebrush · Asteraceae
Artemisia tridentata Nutt. Native ARTR2

big sagebrush · Asteraceae
Asclepias syriaca L. Native ASSY

common milkweed · Asclepiadaceae
Asclepias viridiflora Raf. Native ASVI

green comet milkweed · Asclepiadaceae
Asperugo procumbens L. Introduced ASPR

German-madwort · Boraginaceae
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 gilviflorus Sheldon Native ASGI5

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

plains 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 vexilliflexus Sheldon Native ASVE5

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

bentflower milkvetch · Fabaceae
Atriplex hortensis L. Introduced ATHO

garden orache · Chenopodiaceae
Atriplex rosea L. Introduced ATRO

tumbling saltweed · Chenopodiaceae
Balsamorhiza sagittata (Pursh) Nutt. Native BASA3

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

burningbush · Chenopodiaceae
Berteroa incana (L.) DC. Introduced BEIN2

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

Wyoming besseya · Scrophulariaceae
Bidens vulgata Greene Native BIVU

big devils beggartick · Asteraceae
Bromus arvensis L. Introduced BRAR5

field brome · Poaceae
Bromus tectorum L. Introduced BRTE

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

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

American thorow wax · Apiaceae
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
Camelina sativa (L.) Crantz Introduced CASA2

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

gold-of-pleasure · Brassicaceae
Camissonia scapoidea (Nutt. ex Torr. & A. Gray) P.H. Raven Native CASC18

Paiute suncup · Onagraceae
Camissonia scapoidea (Nutt. ex Torr. & A. Gray) P.H. Raven ssp. scapoidea Native CASCS3

Paiute suncup · Onagraceae
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 nutans L. Introduced CANU4

nodding plumeless thistle · Asteraceae
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 nebrascensis Dewey Native CANE2

Nebraska sedge · Cyperaceae
Carex raynoldsii Dewey Native CARA6

Raynolds' sedge · Cyperaceae
Carex rossii Boott Native CARO5

Ross' sedge · Cyperaceae
Carex rostrata Stokes Native CARO6

beaked sedge · Cyperaceae
Castilleja lutescens (Greenm.) Rydb. Native CALU14

stiff yellow Indian paintbrush · Scrophulariaceae
Castilleja pulchella Rydb. Native CAPU10

beautiful Indian paintbrush · 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
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
Chamerion angustifolium (L.) Holub Native CHAN9

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

fireweed · Onagraceae
Chenopodium album L. Both CHAL7

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

lambsquarters · Chenopodiaceae
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
Cichorium intybus L. Introduced CIIN

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

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

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

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

wavyleaf thistle · Asteraceae
Claytonia lanceolata Pall. ex Pursh Native CLLA2

lanceleaf springbeauty · Portulacaceae
Clematis columbiana (Nutt.) Torr. & A. Gray Native CLCO2

rock clematis · Ranunculaceae
Clematis ligusticifolia Nutt. Native CLLI2

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

western white clematis · Ranunculaceae
Collinsia parviflora Lindl. Native COPA3

maiden blue eyed Mary · Scrophulariaceae
Comandra umbellata (L.) Nutt. Native COUM

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

pale bastard toadflax · Santalaceae
Conium maculatum L. Introduced COMA2

poison hemlock · Apiaceae
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
Conyza canadensis (L.) Cronquist var. canadensis Native COCAC3

Canadian horseweed · 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
Crataegus douglasii Lindl. Native CRDO2

black hawthorn · Rosaceae
Cryptantha celosioides (Eastw.) Payson Native CRCE

buttecandle · 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
Dalea purpurea Vent. Native DAPU5

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

purple prairie clover · Fabaceae
Delphinium bicolor Nutt. Native DEBI

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

herb sophia · Brassicaceae
Dianthus armeria L. Introduced DIAR

Deptford pink · Caryophyllaceae
Digitaria ischaemum (Schreb.) Schreb. ex Muhl. Introduced DIIS

smooth crabgrass · Poaceae
Digitaria sanguinalis (L.) Scop. Introduced DISA

hairy crabgrass · Poaceae
Dodecatheon conjugens Greene Native DOCO

Bonneville shootingstar · Primulaceae
Draba incerta Payson Native DRIN2

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

Yellowstone draba · Brassicaceae
Draba paysonii J.F. Macbr. Native DRPA

Payson's draba · Brassicaceae
Draba reptans (Lam.) Fernald Native DRRE2

Carolina draba · Brassicaceae
Dryas drummondii Richardson ex Hook. Native DRDR

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

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

eightpetal mountain-avens · Rosaceae
Echinochloa crus-galli (L.) P. Beauv. Introduced ECCR

barnyardgrass · Poaceae
Ellisia nyctelea (L.) L. Native ELNY

Aunt Lucy · Hydrophyllaceae
Eragrostis cilianensis (All.) Vign. ex Janchen Introduced ERCI

stinkgrass · Poaceae
Erigeron acris L. Native ERAC2

bitter fleabane · Asteraceae
Erigeron rydbergii Cronquist Native ERRY

Rydberg's fleabane · Asteraceae
Erigeron strigosus Muhl. ex Willd. Native ERST3

prairie fleabane · Asteraceae
Eriogonum flavum Nutt. Native ERFL4

alpine golden buckwheat · Polygonaceae
Eriogonum heracleoides Nutt. Native ERHE2

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

parsnipflower buckwheat · Polygonaceae
Eriogonum pauciflorum Pursh Native ERPA9

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

fewflower buckwheat · Polygonaceae
Eriophyllum lanatum (Pursh) Forbes Native ERLA6

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

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

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

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

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

sanddune wallflower · Brassicaceae
Erysimum repandum L. Introduced ERRE4

spreading wallflower · Brassicaceae
Euphorbia brachycera Engelm. Native EUBR

horned spurge · Euphorbiaceae
Euphorbia cyparissias L. Introduced EUCY2

cypress spurge · Euphorbiaceae
Euphorbia esula L. Introduced EUES

leafy spurge · Euphorbiaceae
Euphorbia spathulata Lam. Native EUSP

warty spurge · Euphorbiaceae
Fragaria virginiana Duchesne Native FRVI

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

elkweed · Gentianaceae
Fraxinus pennsylvanica Marshall Native FRPE

green ash · Oleaceae
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 boreale L. Native GABO2

northern bedstraw · Rubiaceae
Gayophytum humile Juss. Native GAHU2

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

pinyon groundsmoke · Onagraceae
Gentiana affinis Griseb. Native GEAF

pleated gentian · Gentianaceae
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
Geranium viscosissimum Fisch. & C.A. Mey. ex C.A. Mey. Native GEVI2

sticky purple geranium · Geraniaceae
Geum rossii (R. Br.) Ser. Native GERO2

Ross' avens · Rosaceae
Geum triflorum Pursh Native GETR

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

ground ivy · Lamiaceae
Glycyrrhiza lepidota Pursh Native GLLE3

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

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

broom snakeweed · Asteraceae
Helianthella uniflora (Nutt.) Torr. & A. Gray Native HEUN

oneflower helianthella · Asteraceae
Helianthus annuus L. Native HEAN3

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

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

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

prairie sunflower · Asteraceae
Heracleum maximum W. Bartram Native HEMA80

common cowparsnip · Apiaceae
Hesperis matronalis L. Introduced HEMA3

dames rocket · Brassicaceae
Heterotheca villosa (Pursh) Shinners Native HEVI4

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

hairy false goldenaster · Asteraceae
Hymenoxys richardsonii (Hook.) Cockerell Native HYRI

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

pingue rubberweed · Asteraceae
Isatis tinctoria L. Introduced ISTI

Dyer's woad · Brassicaceae
Iva axillaris Pursh Native IVAX

povertyweed · Asteraceae
Juncus mertensianus Bong. Native JUME3

Mertens' rush · Juncaceae
Krascheninnikovia lanata (Pursh) A. Meeuse & Smit Native KRLA2

winterfat · Chenopodiaceae
Lactuca biennis (Moench) Fernald Native LABI

tall blue 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 occidentalis (S. Watson) Greene Native LAOC3

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

flatspine stickseed · Boraginaceae
Lathyrus ochroleucus Hook. Native LAOC2

cream pea · Fabaceae
Lepidium perfoliatum L. Introduced LEPE2

clasping pepperweed · Brassicaceae
Liatris punctata Hook. Native LIPU

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

dotted blazing star · Asteraceae
Linaria dalmatica (L.) Mill. Introduced LIDA

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

Dalmatian toadflax · Scrophulariaceae
Linaria vulgaris Mill. Introduced LIVU2

butter and eggs · Scrophulariaceae
Linnaea borealis L. Native LIBO3

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

twinflower · Caprifoliaceae
Lithophragma glabrum Nutt. Native LIGL2

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

western stoneseed · Boraginaceae
Lolium perenne L. Introduced LOPE

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

Italian 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 macrocarpum (Nutt. ex Torr. & A. Gray) J.M. Coult. & Rose Native LOMA3

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

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

nineleaf biscuitroot · Apiaceae
Lonicera tatarica L. Introduced LOTA

Tatarian honeysuckle · Caprifoliaceae
Lotus corniculatus L. Introduced LOCO6

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

bird's-foot trefoil · Fabaceae
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 leucophyllus Douglas ex Lindl. Native LULE3

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

velvet lupine · Fabaceae
Lupinus sericeus Pursh Native LUSE4

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

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

rush skeletonplant · Asteraceae
Madia glomerata Hook. Native MAGL2

mountain tarweed · Asteraceae
Malva parviflora L. Introduced MAPA5

cheeseweed mallow · Malvaceae
Matricaria discoidea DC. Introduced MADI6

disc mayweed · Asteraceae
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 laevicaulis (Hook.) Torr. & A. Gray Native MELA2

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

smoothstem blazingstar · Loasaceae
Mertensia alpina (Torr.) G. Don Native MEAL7

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

twinflower 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
Monolepis nuttalliana (Schult.) Greene Native MONU

Nuttall's povertyweed · Chenopodiaceae
Montia linearis (Douglas ex Hook.) Greene Native MOLI4

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

leafy wildparsley · Apiaceae
Myriophyllum sibiricum Kom. Native MYSI

shortspike watermilfoil · Haloragaceae
Navarretia intertexta (Benth.) Hook. Native NAIN2

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

near navarretia · Polemoniaceae
Nepeta cataria L. Introduced NECA2

catnip · Lamiaceae
Nothocalais cuspidata (Pursh) Greene Native NOCU

prairie false dandelion · Asteraceae
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
Oligoneuron rigidum (L.) Small Native OLRI

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

stiff goldenrod · Asteraceae
Onopordum acanthium L. Introduced ONAC

Scotch cottonthistle · Asteraceae
Opuntia polyacantha Haw. Native OPPO

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

hairspine pricklypear · Cactaceae
Orthocarpus luteus Nutt. Native ORLU2

yellow owl's-clover · Scrophulariaceae
Oxytropis borealis DC. Native OXBO

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

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

field locoweed · Fabaceae
Oxytropis lagopus Nutt. Native OXLA2

haresfoot locoweed · Fabaceae
Oxytropis sericea Nutt. Native OXSE

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

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

woolly groundsel · Asteraceae
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 nitidus Douglas ex Benth. Native PENI3

waxleaf penstemon · Scrophulariaceae
Penstemon procerus Douglas ex Graham Native PEPR2

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

pincushion beardtongue · Scrophulariaceae
Phleum pratense L. Introduced PHPR3

timothy · Poaceae
Phlox alyssifolia Greene Native PHAL3

alyssumleaf phlox · Polemoniaceae
Phlox hoodii Richardson Native PHHO

spiny phlox · Polemoniaceae
Physalis longifolia Nutt. Native PHLO4

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

longleaf groundcherry · Solanaceae
Pinus contorta Douglas ex Loudon Native PICO

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

lodgepole pine · Pinaceae
Pinus flexilis James Native PIFL2

limber pine · Pinaceae
Plantago major L. Introduced PLMA2

common plantain · Plantaginaceae
Poa pratensis L. Both POPR

Kentucky bluegrass · Poaceae
Polemonium viscosum Nutt. Native POVI

sticky polemonium · Polemoniaceae
Polygonum aviculare L. Introduced POAV

prostrate knotweed · Polygonaceae
Polygonum bistortoides Pursh Native POBI6

American bistort · Polygonaceae
Polygonum convolvulus L. Introduced POCO10

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

black bindweed · Polygonaceae
Polygonum erectum L. Native POER2

erect knotweed · Polygonaceae
Polygonum hydropiper L. Introduced POHY

marshpepper knotweed · Polygonaceae
Polygonum lapathifolium L. Native POLA4

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

giant knotweed · Polygonaceae
Populus balsamifera L. Native POBA2

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

black cottonwood · Salicaceae
Populus 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
Potentilla gracilis Douglas ex Hook. Native POGR9

slender cinquefoil · Rosaceae
Potentilla pensylvanica L. Native POPE8

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

Pennsylvania cinquefoil · Rosaceae
Potentilla recta L. Introduced PORE5

sulphur cinquefoil · Rosaceae
Prunus virginiana L. Native PRVI

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

black chokecherry · Rosaceae
Ranunculus eschscholtzii Schltdl. Native RAES

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

Eschscholtz's buttercup · Ranunculaceae
Ranunculus glaberrimus Hook. Native RAGL

sagebrush buttercup · Ranunculaceae
Raphanus sativus L. Introduced RASA2

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

upright prairie coneflower · Asteraceae
Rhamnus cathartica L. Introduced RHCA3

common buckthorn · Rhamnaceae
Ribes aureum Pursh Native RIAU

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

prickly currant · Grossulariaceae
Ribes montigenum McClatchie Native RIMO2

gooseberry currant · Grossulariaceae
Ribes oxyacanthoides L. Native RIOX

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

inland gooseberry · Grossulariaceae
Rorippa curvipes Greene Native ROCU2

bluntleaf yellowcress · Brassicaceae
Rumex acetosella L. Introduced RUAC3

common sheep sorrel · Polygonaceae
Rumex aquaticus L. Native RUAQ

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

western dock · Polygonaceae
Rumex crispus L. Introduced RUCR

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

curly dock · Polygonaceae
Rumex paucifolius Nutt. Native RUPA6

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

alpine sheep sorrel · Polygonaceae
Rumex salicifolius Weinm. Native RUSA

willow dock · Polygonaceae
Salix bebbiana Sarg. Native SABE2

Bebb willow · Salicaceae
Salix exigua Nutt. Native SAEX

narrowleaf willow · Salicaceae
Salix prolixa Andersson Native SAPR3

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

prickly Russian thistle · Chenopodiaceae
Sambucus nigra L. Both SANI4

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

blue elderberry · Caprifoliaceae
Sanguisorba minor Scop. Introduced SAMI3

small burnet · Rosaceae
Sanguisorba minor Scop. ssp. balearica (Bourg. ex Nyman) M. Garm. & C. Navarro Introduced SAMIB2

small burnet · Rosaceae
Saxifraga oregana Howell Native SAOR2

Oregon saxifrage · Saxifragaceae
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
Scorzonera laciniata L. Introduced SCLA6

cutleaf vipergrass · Asteraceae
Secale cereale L. Introduced SECE

cereal rye · Poaceae
Setaria italica (L.) P. Beauv. Introduced SEIT

foxtail millet · Poaceae
Shepherdia argentea (Pursh) Nutt. Native SHAR

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

russet buffaloberry · Elaeagnaceae
Sibbaldia procumbens L. Native SIPR

creeping sibbaldia · Rosaceae
Silene csereii Baumg. Introduced SICS

Balkan catchfly · Caryophyllaceae
Silene latifolia Poir. Introduced SILA21

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

bladder campion · Caryophyllaceae
Sisymbrium altissimum L. Introduced SIAL2

tall tumblemustard · Brassicaceae
Sisyrinchium montanum Greene Native SIMO2

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

strict blue-eyed grass · Iridaceae
Solanum dulcamara L. Introduced SODU

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

climbing nightshade · Solanaceae
Solidago canadensis L. Native SOCA6

Canada goldenrod · Asteraceae
Solidago missouriensis Nutt. Native SOMI2

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

Missouri goldenrod · Asteraceae
Solidago mollis Bartlett Native SOMO

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

velvety goldenrod · Asteraceae
Solidago multiradiata Aiton Native SOMU

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

manyray goldenrod · Asteraceae
Sonchus arvensis L. Introduced SOAR2

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

spiny sowthistle · Asteraceae
Sorbus scopulina Greene Native SOSC2

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

Greene's mountain ash · Rosaceae
Sphaeralcea coccinea (Nutt.) Rydb. Native SPCO

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

scarlet globemallow · Malvaceae
Spiraea lucida Douglas ex Greene Native SPLU5

shinyleaf spirea · Rosaceae
Stanleya pinnata (Pursh) Britton Native STPI

desert princesplume · Brassicaceae
Stanleya pinnata (Pursh) Britton var. pinnata Native STPIP

desert princesplume · Brassicaceae
Stellaria calycantha (Ledeb.) Bong. Native STCA

northern starwort · Caryophyllaceae
Stellaria longifolia Muhl. ex Willd. Native STLO

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

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

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

common chickweed · Caryophyllaceae
Symphoricarpos albus (L.) S.F. Blake Native SYAL

common snowberry · Caprifoliaceae
Symphoricarpos occidentalis Hook. Native SYOC

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

western aster · Asteraceae
Symphyotrichum 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
Tanacetum balsamita L. Introduced TABA

costmary · Asteraceae
Tanacetum vulgare L. Introduced TAVU

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

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

common dandelion · Asteraceae
Taraxacum officinale F.H. Wigg. ssp. ceratophorum (Ledeb.) Schinz ex Thell. Native TAOFC

common dandelion · Asteraceae
Tephroseris lindstroemii (Ostenf.) Á. Löve & D. Löve Native TELI6

fuscate groundsel · 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
Thalictrum occidentale A. Gray Native THOC

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

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

veiny meadow-rue · Ranunculaceae
Thermopsis montana Nutt. Native THMO6

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

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

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

intermediate wheatgrass · Poaceae
Thlaspi arvense L. Introduced THAR5

field pennycress · Brassicaceae
Tragopogon dubius Scop. Introduced TRDU

yellow salsify · Asteraceae
Tragopogon pratensis L. Introduced TRPR

Jack-go-to-bed-at-noon · Asteraceae
Trifolium hybridum L. Introduced TRHY

alsike clover · Fabaceae
Trifolium pratense L. Introduced TRPR2

red clover · Fabaceae
Trifolium repens L. Introduced TRRE3

white clover · Fabaceae
Triodanis leptocarpa (Nutt.) Nieuwl. Native TRLE3

slimpod Venus' looking-glass · Campanulaceae
Ulmus pumila L. Introduced ULPU

Siberian elm · Ulmaceae
Urtica dioica L. Both URDI

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

cow soapwort · Caryophyllaceae
Vaccinium scoparium Leiberg ex Coville Native VASC

grouse whortleberry · Ericaceae
Valeriana dioica L. Native VADI

marsh valerian · Valerianaceae
Valeriana dioica L. var. sylvatica S. Watson Native VADIS

woods valerian · Valerianaceae
Verbena bracteata Cav. ex Lag. & Rodr. Native VEBR

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

American speedwell · Scrophulariaceae
Vicia americana Muhl. ex Willd. Native VIAM

American vetch · Fabaceae
Vicia sativa L. Introduced VISA

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

garden vetch · Fabaceae
Viola nuttallii Pursh Native VINU2

Nuttall's violet · Violaceae
Xanthium strumarium L. Native XAST

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

Canada cocklebur · Asteraceae
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