Sheridan County

Montana

FIPS: 30091
Taxa recorded: 463
Of which native: 366
Introduced: 83

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Showing 463 of 463.

Abronia fragrans Nutt. ex Hook. Native ABFR2

snowball sand verbena · Nyctaginaceae
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
Alisma gramineum Lej. Native ALGR

narrowleaf water plantain · Alismataceae
Alisma triviale Pursh Native ALTR7

northern water plantain · Alismataceae
Allium textile A. Nelson & J.F. Macbr. Native ALTE

textile onion · Liliaceae
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
Amelanchier alnifolia (Nutt.) Nutt. ex M. Roem. Native AMAL2

Saskatoon serviceberry · Rosaceae
Androsace occidentalis Pursh Native ANOC2

western rockjasmine · Primulaceae
Anemone canadensis L. Native ANCA8

Canadian anemone · Ranunculaceae
Anemone cylindrica A. Gray Native ANCY

candle anemone · Ranunculaceae
Antennaria parvifolia Nutt. Native ANPA4

small-leaf pussytoes · Asteraceae
Antennaria rosea Greene Native ANRO2

rosy pussytoes · Asteraceae
Apocynum cannabinum L. Native APCA

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

Apocynaceae
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. pinetorum (Tidestr.) Rollins Native ARHOP3

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

greater burdock · Asteraceae
Arctium minus Bernh. Introduced ARMI2

lesser burdock · Asteraceae
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
Artemisia campestris L. Native ARCA12

field sagewort · 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
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
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 ceramicus Sheldon Native ASCE

painted milkvetch · Fabaceae
Astragalus crassicarpus Nutt. Native ASCR2

groundplum milkvetch · Fabaceae
Astragalus crassicarpus Nutt. var. crassicarpus Native ASCRC3

groundplum 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 spatulatus Sheldon Native ASSP6

tufted milkvetch · Fabaceae
Atriplex argentea Nutt. Native ATAR2

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

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

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

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

garden orache · Chenopodiaceae
Atriplex patula L. Introduced ATPA4

spear saltbush · Chenopodiaceae
Axyris amaranthoides L. Introduced AXAM

Russian pigweed · Chenopodiaceae
Balsamorhiza incana Nutt. Native BAIN

hoary 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
Bolboschoenus maritimus (L.) Palla Native BOMA7

cosmopolitan bulrush · Cyperaceae
Bouteloua curtipendula (Michx.) Torr. Native BOCU

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

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

brown mustard · Brassicaceae
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 racemosus L. Introduced BRRA2

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

corn gromwell · Boraginaceae
Calamagrostis stricta (Timm) Koeler Native CAST36

slimstem reedgrass · Poaceae
Callitriche hermaphroditica L. Native CAHE2

northern water-starwort · Callitrichaceae
Calylophus serrulatus (Nutt.) P.H. Raven Native CASE12

yellow sundrops · Onagraceae
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
Campanula parryi A. Gray Native CAPA10

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

Idaho bellflower · Campanulaceae
Campanula rapunculoides L. Introduced CARA

rampion bellflower · Campanulaceae
Campanula rotundifolia L. Native CARO2

bluebell bellflower · Campanulaceae
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
Carex aquatilis Wahlenb. Native CAAQ

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

water sedge · Cyperaceae
Carex atherodes Spreng. Native CAAT2

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

needleleaf sedge · Cyperaceae
Carex filifolia Nutt. Native CAFI

threadleaf 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 pellita Muhl. ex Willd. Native CAPE42

woolly sedge · Cyperaceae
Carex praegracilis W. Boott Native CAPR5

clustered field sedge · Cyperaceae
Castilleja sessiliflora Pursh Native CASE5

downy paintedcup · Scrophulariaceae
Catabrosa aquatica (L.) P. Beauv. Native CAAQ3

water whorlgrass · Poaceae
Catabrosa aquatica (L.) P. Beauv. var. aquatica Native CAAQA6

water whorlgrass · Poaceae
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
Ceratophyllum demersum L. Native CEDE4

coon's tail · Ceratophyllaceae
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 serpyllifolia (Pers.) Small Native CHSE6

thymeleaf sandmat · Euphorbiaceae
Chamaesyce serpyllifolia (Pers.) Small ssp. serpyllifolia Native CHSES

thymeleaf 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
Cicuta douglasii (DC.) J.M. Coult. & Rose Native CIDO

western water hemlock · Apiaceae
Cicuta maculata L. Native CIMA2

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

spotted water hemlock · Apiaceae
Cinna arundinacea L. Native CIAR2

sweet woodreed · Poaceae
Cirsium arvense (L.) Scop. Introduced CIAR4

Canada thistle · Asteraceae
Cirsium canescens Nutt. Native CICA11

prairie 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
Conringia orientalis (L.) Dumort. Introduced COOR

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

field bindweed · Convolvulaceae
Crepis occidentalis Nutt. Native CROC

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

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

buttecandle · Boraginaceae
Cryptantha fendleri (A. Gray) Greene Native CRFE3

sanddune cryptantha · Boraginaceae
Cymopterus acaulis (Pursh) Raf. Native CYAC

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

plains springparsley · Apiaceae
Cyperus schweinitzii Torr. Native CYSC3

Schweinitz's flatsedge · Cyperaceae
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 pinnata (Walter) Britton ssp. intermedia (Rydb.) Detling Native DEPII

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

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

saltgrass · Poaceae
Draba nemorosa L. Native DRNE

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

Carolina 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
Elaeagnus angustifolia L. Introduced ELAN

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

silverberry · Elaeagnaceae
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
Elymus canadensis L. Native ELCA4

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

slender wheatgrass · Poaceae
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 palustre L. Native EPPA

marsh willowherb · Onagraceae
Equisetum arvense L. Native EQAR

field horsetail · Equisetaceae
Equisetum laevigatum A. Braun Native EQLA

smooth horsetail · Equisetaceae
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 caespitosus Nutt. Native ERCA2

tufted fleabane · Asteraceae
Erigeron glabellus Nutt. Native ERGL2

streamside fleabane · Asteraceae
Erigeron pumilus Nutt. Native ERPU2

shaggy fleabane · Asteraceae
Eriogonum flavum Nutt. Native ERFL4

alpine golden buckwheat · Polygonaceae
Eriogonum pauciflorum Pursh Native ERPA9

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

fewflower buckwheat · Polygonaceae
Eriophorum angustifolium Honck. Native ERAN6

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

tall cottongrass · Cyperaceae
Erucastrum gallicum (Willd.) O.E. Schulz Introduced ERGA

common dogmustard · 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 inconspicuum (S. Watson) MacMill. Native ERIN7

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

shy wallflower · Brassicaceae
Erysimum repandum L. Introduced ERRE4

spreading 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
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
Geum aleppicum Jacq. Native GEAL3

yellow avens · Rosaceae
Geum triflorum Pursh Native GETR

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

American licorice · Fabaceae
Gnaphalium palustre Nutt. Native GNPA

western marsh cudweed · Asteraceae
Grindelia squarrosa (Pursh) Dunal Native GRSQ

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

broom snakeweed · Asteraceae
Gypsophila paniculata L. Introduced GYPA

baby's breath · Caryophyllaceae
Hackelia 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
Hedeoma drummondii Benth. Native HEDR

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

rough false pennyroyal · Lamiaceae
Hedysarum boreale Nutt. Native HEBO

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

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

Utah sweetvetch · Fabaceae
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
Helianthus ×laetiflorus Pers. (pro sp.) [pauciflorus × tuberosus] Native HELA

cheerful 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
Heuchera richardsonii R. Br. Native HERI

Richardson's alumroot · Saxifragaceae
Hordeum jubatum L. Native HOJU

foxtail 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
Hyoscyamus niger L. Introduced HYNI

black henbane · Solanaceae
Iva axillaris Pursh Native IVAX

povertyweed · Asteraceae
Juncus alpinoarticulatus Chaix Native JUAL4

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

northern green rush · Juncaceae
Juncus arcticus Willd. Both JUAR2

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

mountain rush · Juncaceae
Juncus bufonius L. Native JUBU

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

toad rush · Juncaceae
Juncus nodosus L. Native JUNO2

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

knotted 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
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 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
Lemna minor L. Native LEMI3

common duckweed · Lemnaceae
Lemna trisulca L. Native LETR

star duckweed · Lemnaceae
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
Liatris ligulistylis (A. Nelson) K. Schum. Native LILI

Rocky Mountain blazing star · Asteraceae
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
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
Linum usitatissimum L. Introduced LIUS

common flax · Linaceae
Lithospermum incisum Lehm. Native LIIN2

narrowleaf stoneseed · Boraginaceae
Lobelia kalmii L. Native LOKA

Ontario lobelia · Campanulaceae
Lobelia spicata Lam. Native LOSP

palespike lobelia · Campanulaceae
Lobelia spicata Lam. var. hirtella A. Gray Native LOSPH

palespike lobelia · Campanulaceae
Lolium persicum Boiss. & Hohen. ex Boiss. Introduced LOPE2

Persian ryegrass · Poaceae
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
Lupinus argenteus Pursh Native LUAR3

silvery lupine · Fabaceae
Lycium barbarum L. Introduced LYBA4

matrimony vine · Solanaceae
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 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
Maianthemum stellatum (L.) Link Native MAST4

starry false lily of the valley · Liliaceae
Malva parviflora L. Introduced MAPA5

cheeseweed mallow · Malvaceae
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
Mertensia lanceolata (Pursh) DC. Native MELA3

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

prairie bluebells · Boraginaceae
Mirabilis linearis (Pursh) Heimerl Native MILI3

narrowleaf four o'clock · Nyctaginaceae
Mirabilis nyctaginea (Michx.) MacMill. Native MINY

heartleaf four o'clock · Nyctaginaceae
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
Musineon divaricatum (Pursh) Raf. Native MUDI

leafy wildparsley · Apiaceae
Myriophyllum sibiricum Kom. Native MYSI

shortspike watermilfoil · Haloragaceae
Nothocalais cuspidata (Pursh) Greene Native NOCU

prairie false dandelion · Asteraceae
Oenothera caespitosa Nutt. Native OECA10

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

tufted evening primrose · Onagraceae
Oenothera nuttallii Sweet Native OENU

Nuttall's 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. villosa Native OEVIV

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 polyacantha Haw. Native OPPO

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

hairspine pricklypear · Cactaceae
Orobanche ludoviciana Nutt. Native ORLU

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

Louisiana broomrape · Orobanchaceae
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
Parietaria pensylvanica Muhl. ex Willd. Native PAPE5

Pennsylvania pellitory · Urticaceae
Parnassia palustris L. Native PAPA8

marsh grass of Parnassus · Saxifragaceae
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
Penstemon albidus Nutt. Native PEAL2

white 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
Phlox alyssifolia Greene Native PHAL3

alyssumleaf phlox · Polemoniaceae
Phlox hoodii Richardson Native PHHO

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

musk phlox · Polemoniaceae
Physalis heterophylla Nees Native PHHE5

clammy groundcherry · Solanaceae
Physalis heterophylla Nees var. heterophylla Native PHHEH3

clammy groundcherry · Solanaceae
Plantago eriopoda Torr. Native PLER

redwool plantain · Plantaginaceae
Plantago major L. Introduced PLMA2

common plantain · Plantaginaceae
Plantago patagonica Jacq. Native PLPA2

woolly plantain · Plantaginaceae
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 trivialis L. Introduced POTR2

rough bluegrass · Poaceae
Polygala alba Nutt. Native POAL4

white milkwort · Polygalaceae
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 lapathifolium L. Native POLA4

curlytop 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
Populus tremuloides Michx. Native POTR5

quaking aspen · Salicaceae
Potamogeton zosteriformis Fernald Native POZO

flatstem pondweed · Potamogetonaceae
Potentilla arguta Pursh Native POAR7

tall cinquefoil · Rosaceae
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
Prunus virginiana L. Native PRVI

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

black chokecherry · Rosaceae
Puccinellia distans (Jacq.) Parl. Both PUDI

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

weeping alkaligrass · Poaceae
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
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
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 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
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 aquaticus L. Native RUAQ

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

western dock · Polygonaceae
Rumex crispus L. Introduced RUCR

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

curly dock · Polygonaceae
Rumex maritimus L. Native RUMA4

golden dock · Polygonaceae
Rumex salicifolius Weinm. Native RUSA

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 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 collina Pall. Introduced SACO8

slender Russian thistle · Chenopodiaceae
Salsola tragus L. Introduced SATR12

prickly Russian thistle · Chenopodiaceae
Sarcobatus vermiculatus (Hook.) Torr. Native SAVE4

greasewood · Chenopodiaceae
Schedonorus arundinaceus (Schreb.) Dumort., nom. cons. Introduced SCAR7

tall fescue · 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 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 nevadensis S. Watson Native SCNE

Nevada bulrush · Cyperaceae
Scutellaria galericulata L. Native SCGA

marsh skullcap · Lamiaceae
Selaginella densa Rydb. Native SEDE2

lesser spikemoss · Selaginellaceae
Senecio integerrimus Nutt. Native SEIN2

lambstongue 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
Sinapis arvensis L. Introduced SIAR4

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

wild mustard · Brassicaceae
Sisymbrium altissimum L. Introduced SIAL2

tall tumblemustard · Brassicaceae
Sisyrinchium montanum Greene Native SIMO2

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

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

hemlock waterparsnip · Apiaceae
Smilax lasioneura Hook. Native SMLA3

Blue Ridge carrionflower · Smilacaceae
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 nemoralis Aiton Native SONE

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

gray 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
Spartina pectinata Bosc ex Link Native SPPE

prairie cordgrass · Poaceae
Sphaeralcea coccinea (Nutt.) Rydb. Native SPCO

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

scarlet globemallow · Malvaceae
Stachys pilosa Nutt. Native STPI6

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

hairy hedgenettle · Lamiaceae
Stellaria media (L.) Vill. Introduced STME2

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

common chickweed · Caryophyllaceae
Stenotus armerioides Nutt. Native STAR10

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

thrift mock goldenweed · Asteraceae
Stuckenia pectinata (L.) Börner Native STPE15

sago pondweed · Potamogetonaceae
Symphoricarpos occidentalis Hook. Native SYOC

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

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

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

white prairie aster · Asteraceae
Symphyotrichum 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
Tanacetum vulgare L. Introduced TAVU

common tansy · Asteraceae
Taraxacum officinale F.H. Wigg. Both TAOF

common dandelion · Asteraceae
Thermopsis rhombifolia (Nutt. ex Pursh) Nutt. ex Richardson Native THRH

prairie thermopsis · Fabaceae
Thlaspi arvense L. Introduced THAR5

field pennycress · Brassicaceae
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
Trifolium pratense L. Introduced TRPR2

red clover · Fabaceae
Trifolium repens L. Introduced TRRE3

white clover · Fabaceae
Triglochin maritima L. Native TRMA20

seaside arrowgrass · Juncaginaceae
Triglochin palustris L. Native TRPA28

marsh arrowgrass · Juncaginaceae
Typha latifolia L. Native TYLA

broadleaf 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
Utricularia macrorhiza Leconte Native UTMA

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

cow soapwort · Caryophyllaceae
Verbascum blattaria L. Introduced VEBL

moth mullein · Scrophulariaceae
Veronica scutellata L. Native VESC2

skullcap speedwell · Scrophulariaceae
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 nuttallii Pursh Native VINU2

Nuttall's violet · Violaceae
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
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
Zizia aptera (A. Gray) Fernald Native ZIAP

meadow zizia · Apiaceae