Fergus County

Montana

FIPS: 30027
Taxa recorded: 625
Of which native: 456
Introduced: 150

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Showing 625 of 625.

Abutilon theophrasti Medik. Introduced ABTH

velvetleaf · Malvaceae
Acer glabrum Torr. Native ACGL

Rocky Mountain maple · Aceraceae
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
Acroptilon repens (L.) DC. Introduced ACRE3

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

red baneberry · Ranunculaceae
Aegilops cylindrica Host Introduced AECY

jointed goatgrass · Poaceae
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 scabra Willd. Native AGSC5

rough bentgrass · Poaceae
Agrostis stolonifera L. Introduced AGST2

creeping bentgrass · Poaceae
Alisma gramineum Lej. Native ALGR

narrowleaf water plantain · Alismataceae
Allium canadense L. Native ALCA3

meadow garlic · Liliaceae
Allium canadense L. var. fraseri Ownbey Native ALCAF

Fraser meadow garlic · Liliaceae
Allium cernuum Roth Native ALCE2

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

textile onion · Liliaceae
Alopecurus aequalis Sobol. Native ALAE

shortawn foxtail · Poaceae
Alopecurus aequalis Sobol. var. aequalis Native ALAEA

shortawn foxtail · Poaceae
Alyssum alyssoides (L.) L. Introduced ALAL3

pale madwort · Brassicaceae
Alyssum desertorum Stapf Introduced ALDE

desert madwort · Brassicaceae
Alyssum desertorum Stapf var. desertorum Introduced ALDED

desert madwort · Brassicaceae
Amaranthus albus L. Introduced AMAL

prostrate pigweed · Amaranthaceae
Amaranthus blitoides S. Watson Introduced AMBL

mat amaranth · Amaranthaceae
Amaranthus hybridus L. Native AMHY

slim amaranth · Amaranthaceae
Amaranthus retroflexus L. Native AMRE

redroot amaranth · Amaranthaceae
Ambrosia artemisiifolia L. Both AMAR2

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

annual ragweed · Asteraceae
Ambrosia psilostachya DC. Native AMPS

Cuman ragweed · Asteraceae
Ambrosia trifida L. Native AMTR

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

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

Saskatoon serviceberry · Rosaceae
Androsace chamaejasme Wulfen Native ANCH

sweetflower rockjasmine · Primulaceae
Androsace chamaejasme Wulfen ssp. lehmanniana (Spreng.) Hultén Native ANCHL

Lehmann's rockjasmine · Primulaceae
Androsace occidentalis Pursh Native ANOC2

western rockjasmine · Primulaceae
Anemone multifida Poir. Native ANMU

Pacific anemone · Ranunculaceae
Angelica arguta Nutt. Native ANAR3

Lyall's angelica · Apiaceae
Antennaria dimorpha (Nutt.) Torr. & A. Gray Native ANDI2

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

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

rush pussytoes · Asteraceae
Antennaria parvifolia Nutt. Native ANPA4

small-leaf pussytoes · Asteraceae
Antennaria rosea Greene Native ANRO2

rosy pussytoes · Asteraceae
Apera interrupta (L.) P. Beauv. Introduced APIN

dense silkybent · Poaceae
Apocynum cannabinum L. Native APCA

Indianhemp · Apocynaceae
Aquilegia jonesii Parry Native AQJO

Jones' columbine · Ranunculaceae
Arabidopsis thaliana (L.) Heynh. Introduced ARTH

mouseear cress · Brassicaceae
Arabis glabra (L.) Bernh. Native ARGL

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

Nuttall's rockcress · Brassicaceae
Arctium minus Bernh. Introduced ARMI2

lesser burdock · Asteraceae
Arctostaphylos uva-ursi (L.) Spreng. Native ARUV

kinnikinnick · Ericaceae
Arenaria congesta Nutt. Native ARCO5

ballhead sandwort · Caryophyllaceae
Arenaria hookeri Nutt. Native ARHO4

Hooker's sandwort · Caryophyllaceae
Arenaria hookeri Nutt. ssp. hookeri Native ARHOH3

Hooker's sandwort · Caryophyllaceae
Argentina anserina (L.) Rydb. Native ARAN7

silverweed cinquefoil · Rosaceae
Arnica sororia Greene Native ARSO2

twin arnica · Asteraceae
Arrhenatherum elatius (L.) P. Beauv. ex J. Presl & C. Presl Introduced AREL3

tall oatgrass · Poaceae
Arrhenatherum elatius (L.) P. Beauv. ex J. Presl & C. Presl var. elatius Introduced ARELE

tall oatgrass · Poaceae
Artemisia absinthium L. Introduced ARAB3

absinthium · Asteraceae
Artemisia campestris L. Native ARCA12

field sagewort · Asteraceae
Artemisia campestris L. ssp. caudata (Michx.) H.M. Hall & Clem. Native ARCAC

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 longifolia Nutt. Native ARLO7

longleaf wormwood · Asteraceae
Artemisia ludoviciana Nutt. Both ARLU

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

white sagebrush · Asteraceae
Artemisia tridentata Nutt. Native ARTR2

big sagebrush · Asteraceae
Asperugo procumbens L. Introduced ASPR

German-madwort · Boraginaceae
Astragalus agrestis Douglas ex G. Don Native ASAG2

purple milkvetch · Fabaceae
Astragalus americanus (Hook.) M.E. Jones Native ASAM3

American milkvetch · Fabaceae
Astragalus bisulcatus (Hook.) A. Gray Native ASBI2

twogrooved milkvetch · Fabaceae
Astragalus bisulcatus (Hook.) A. Gray var. bisulcatus Native ASBIB

twogrooved milkvetch · Fabaceae
Astragalus bourgovii A. Gray Native ASBO3

Bourgov's 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 miser Douglas ex Hook. Native ASMI9

timber 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
Astragalus vexilliflexus Sheldon Native ASVE5

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

bentflower milkvetch · Fabaceae
Atriplex argentea Nutt. Native ATAR2

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

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

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

Gardner's saltbush · Chenopodiaceae
Atriplex patula L. Introduced ATPA4

spear saltbush · Chenopodiaceae
Atriplex rosea L. Introduced ATRO

tumbling saltweed · Chenopodiaceae
Avenula hookeri (Scribn.) Holub Native AVHO3

spikeoat · Poaceae
Balsamorhiza sagittata (Pursh) Nutt. Native BASA3

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

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

American sloughgrass · Poaceae
Berteroa incana (L.) DC. Introduced BEIN2

hoary alyssum · Brassicaceae
Brassica juncea (L.) Czern. Introduced BRJU

brown mustard · Brassicaceae
Brassica nigra (L.) W.D.J. Koch Introduced BRNI

black mustard · Brassicaceae
Brassica rapa L. Introduced BRRA

field mustard · Brassicaceae
Brassica rapa L. var. rapa Introduced BRRAR

field 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 secalinus L. Introduced BRSE

rye brome · Poaceae
Bromus secalinus L. var. secalinus Introduced BRSES

rye brome · Poaceae
Bromus tectorum L. Introduced BRTE

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

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

American thorow wax · Apiaceae
Calochortus gunnisonii S. Watson Native CAGU

Gunnison's mariposa lily · Liliaceae
Calochortus gunnisonii S. Watson var. gunnisonii Native CAGUG

Gunnison's mariposa lily · Liliaceae
Calochortus nuttallii Torr. & A. Gray Native CANU3

sego lily · Liliaceae
Calypso bulbosa (L.) Oakes Native CABU

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

fairy slipper · Orchidaceae
Calystegia sepium (L.) R. Br. Both CASE13

hedge false bindweed · Convolvulaceae
Calystegia sepium (L.) R. Br. ssp. angulata Brummitt Native CASEA3

hedge false bindweed · Convolvulaceae
Camelina microcarpa Andrz. ex DC. Introduced CAMI2

littlepod false flax · Brassicaceae
Camissonia breviflora (Torr. & A. Gray) P.H. Raven Native CABR22

fewflower evening primrose · Onagraceae
Campanula glomerata L. Introduced CAGL2

Dane's blood · 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
Cardaria draba (L.) Desv. Introduced CADR

whitetop · Brassicaceae
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 nebrascensis Dewey Native CANE2

Nebraska sedge · Cyperaceae
Carex rostrata Stokes Native CARO6

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

Sprengel's sedge · Cyperaceae
Castilleja cusickii Greenm. Native CACU7

Cusick's Indian paintbrush · Scrophulariaceae
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 diffusa Lam. Introduced CEDI3

diffuse knapweed · Asteraceae
Centaurea stoebe L. Introduced CEST8

spotted knapweed · Asteraceae
Centaurea stoebe L. ssp. micranthos (Gugler) Hayek Introduced CESTM

spotted knapweed · Asteraceae
Cerastium arvense L. Both CEAR4

field chickweed · Caryophyllaceae
Cerastium arvense L. ssp. strictum (L.) Ugborogho Native CEARS2

field chickweed · Caryophyllaceae
Cerastium 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
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
Chamerion angustifolium (L.) Holub Native CHAN9

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

fireweed · Onagraceae
Cheilanthes feei T. Moore Native CHFE

slender lipfern · Pteridaceae
Chenopodium album L. Both CHAL7

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

lambsquarters · Chenopodiaceae
Chenopodium fremontii S. Watson Native CHFR3

Fremont's goosefoot · Chenopodiaceae
Chenopodium fremontii S. Watson var. fremontii Native CHFRF

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

oakleaf goosefoot · Chenopodiaceae
Chenopodium simplex (Torr.) Raf. Native CHSI2

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

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

yellow rabbitbrush · Asteraceae
Cichorium intybus L. Introduced CIIN

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

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

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

Flodman's thistle · Asteraceae
Cirsium undulatum (Nutt.) Spreng. Native CIUN

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

wavyleaf thistle · Asteraceae
Cirsium vulgare (Savi) Ten. Introduced CIVU

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

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

rock clematis · Ranunculaceae
Clematis columbiana (Nutt.) Torr. & A. Gray var. columbiana Native CLCOC2

rock clematis · Ranunculaceae
Clematis ligusticifolia Nutt. Native CLLI2

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

western white clematis · Ranunculaceae
Cleome serrulata Pursh Native CLSE

Rocky Mountain beeplant · Capparaceae
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
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
Corallorhiza striata Lindl. Native COST19

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

hooded coralroot · Orchidaceae
Cornus sericea L. Native COSE16

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

redosier dogwood · Cornaceae
Corydalis aurea Willd. Native COAU2

scrambled eggs · Fumariaceae
Crataegus chrysocarpa Ashe Native CRCH

fireberry hawthorn · Rosaceae
Crataegus douglasii Lindl. Native CRDO2

black hawthorn · Rosaceae
Crepis runcinata (James) Torr. & A. Gray Native CRRU3

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

buttecandle · Boraginaceae
Cyclachaena xanthiifolia (Nutt.) Fresen. Native CYXA2

carelessweed · Asteraceae
Cymopterus nivalis S. Watson Native CYNI3

snowline springparsley · Apiaceae
Cynoglossum officinale L. Introduced CYOF

gypsyflower · Boraginaceae
Dactylis glomerata L. Introduced DAGL

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

orchardgrass · Poaceae
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
Dodecatheon pulchellum (Raf.) Merr. Native DOPU

darkthroat shootingstar · Primulaceae
Dodecatheon pulchellum (Raf.) Merr. ssp. pulchellum Native DOPUP2

darkthroat shootingstar · Primulaceae
Draba brachycarpa Nutt. ex Torr. & A. Gray Native DRBR

shortpod draba · Brassicaceae
Draba breweri S. Watson Native DRBR2

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

cushion draba · Brassicaceae
Echinochloa crus-galli (L.) P. Beauv. Introduced ECCR

barnyardgrass · Poaceae
Elaeagnus commutata Bernh. ex Rydb. Native ELCO

silverberry · Elaeagnaceae
Ellisia nyctelea (L.) L. Native ELNY

Aunt Lucy · Hydrophyllaceae
Elymus canadensis L. Native ELCA4

Canada wildrye · 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 anagallidifolium Lam. Native EPAN4

pimpernel willowherb · Onagraceae
Epilobium brachycarpum C. Presl Native EPBR3

tall annual willowherb · Onagraceae
Epilobium ciliatum Raf. Native EPCI

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

fringed willowherb · Onagraceae
Epilobium leptophyllum Raf. Native EPLE2

bog willowherb · Onagraceae
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 divergens Torr. & A. Gray Native ERDI4

spreading fleabane · Asteraceae
Erigeron pumilus Nutt. Native ERPU2

shaggy fleabane · Asteraceae
Erigeron simplex Greene Native ERSI3

onestem fleabane · Asteraceae
Eriogonum flavum Nutt. Native ERFL4

alpine golden buckwheat · Polygonaceae
Eriogonum ovalifolium Nutt. Native EROV

cushion buckwheat · Polygonaceae
Eriogonum pauciflorum Pursh Native ERPA9

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

fewflower buckwheat · Polygonaceae
Eriogonum umbellatum Torr. Native ERUM

sulphur-flower buckwheat · Polygonaceae
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 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
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
Euphorbia helioscopia L. Introduced EUHE2

madwoman's milk · Euphorbiaceae
Euphorbia spathulata Lam. Native EUSP

warty spurge · Euphorbiaceae
Festuca rubra L. Both FERU2

red fescue · Poaceae
Festuca saximontana Rydb. Native FESA

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

Rocky Mountain fescue · Poaceae
Fragaria virginiana Duchesne Native FRVI

Virginia strawberry · Rosaceae
Fragaria virginiana Duchesne ssp. glauca (S. Watson) Staudt Native FRVIG2

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

elkweed · Gentianaceae
Gaillardia aristata Pursh Native GAAR

blanketflower · Asteraceae
Galeopsis tetrahit L. Introduced GATE2

brittlestem hempnettle · Lamiaceae
Galeopsis tetrahit L. var. tetrahit Introduced GATET2

brittlestem hempnettle · Lamiaceae
Galium boreale L. Native GABO2

northern bedstraw · Rubiaceae
Galium triflorum Michx. Native GATR3

fragrant bedstraw · Rubiaceae
Geranium molle L. Introduced GEMO

dovefoot 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 aleppicum Jacq. Native GEAL3

yellow avens · Rosaceae
Geum triflorum Pursh Native GETR

old man's whiskers · Rosaceae
Glyceria grandis S. Watson Native GLGR

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

American mannagrass · Poaceae
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
Hackelia floribunda (Lehm.) I.M. Johnst. Native HAFL2

manyflower stickseed · Boraginaceae
Hedysarum sulphurescens Rydb. Native HESU

white sweetvetch · Fabaceae
Helianthella uniflora (Nutt.) Torr. & A. Gray Native HEUN

oneflower helianthella · Asteraceae
Helianthus annuus L. Native HEAN3

common sunflower · Asteraceae
Helianthus maximiliani Schrad. Native HEMA2

Maximilian sunflower · Asteraceae
Helianthus petiolaris Nutt. Native HEPE

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

prairie sunflower · Asteraceae
Heliotropium curassavicum L. Native HECU3

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

seaside heliotrope · Boraginaceae
Heracleum maximum W. Bartram Native HEMA80

common cowparsnip · Apiaceae
Hesperis matronalis L. Introduced HEMA3

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

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

needle and thread · Poaceae
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
Hymenopappus filifolius Hook. Native HYFI

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

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

pingue rubberweed · Asteraceae
Hyoscyamus niger L. Introduced HYNI

black henbane · Solanaceae
Hypericum scouleri Hook. Native HYSC5

Scouler's St. Johnswort · Clusiaceae
Ionactis stenomeres (A. Gray) Greene Native IOST

Rocky Mountain aster · Asteraceae
Iva axillaris Pursh Native IVAX

povertyweed · Asteraceae
Juncus arcticus Willd. Both JUAR2

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

mountain rush · Juncaceae
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
Knautia arvensis (L.) J.M. Coult. Introduced KNAR

field scabiosa · Dipsacaceae
Lactuca canadensis L. Native LACA

Canada 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
Lamium amplexicaule L. Introduced LAAM

henbit deadnettle · Lamiaceae
Lappula occidentalis (S. Watson) Greene Native LAOC3

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

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

European stickseed · Boraginaceae
Lathyrus latifolius L. Introduced LALA4

perennial pea · Fabaceae
Lathyrus tuberosus L. Introduced LATU

tuberous sweetpea · Fabaceae
Lepidium campestre (L.) W.T. Aiton Introduced LECA5

field pepperweed · Brassicaceae
Lepidium densiflorum Schrad. Both LEDE

common pepperweed · Brassicaceae
Lepidium latifolium L. Introduced LELA2

broadleaved pepperweed · Brassicaceae
Lepidium perfoliatum L. Introduced LEPE2

clasping pepperweed · Brassicaceae
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
Lilium philadelphicum L. Native LIPH

wood lily · Liliaceae
Lilium philadelphicum L. var. andinum (Nutt.) Ker Gawl. Native LIPHA

wood lily · Liliaceae
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
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
Lithospermum ruderale Douglas ex Lehm. Native LIRU4

western stoneseed · Boraginaceae
Lolium perenne L. Introduced LOPE

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

Persian ryegrass · Poaceae
Lomatium dissectum (Nutt.) Mathias & Constance Native LODI

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

carrotleaf 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
Lupinus argenteus Pursh Native LUAR3

silvery lupine · Fabaceae
Lupinus argenteus Pursh ssp. argenteus Native LUARA5

silvery lupine · Fabaceae
Lupinus argenteus Pursh ssp. argenteus var. argenteus Native LUARA11

silvery lupine · Fabaceae
Lupinus aridus Douglas Native LUAR7

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

desert lupine · Fabaceae
Lupinus pusillus Pursh Native LUPU

rusty lupine · Fabaceae
Lupinus sericeus Pursh Native LUSE4

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

silky lupine · Fabaceae
Lupinus wyethii S. Watson Native LUWY

Wyeth's lupine · Fabaceae
Lupinus wyethii S. Watson ssp. wyethii Native LUWYW

Wyeth's lupine · Fabaceae
Lycium barbarum L. Introduced LYBA4

matrimony vine · Solanaceae
Lygodesmia juncea (Pursh) D. Don ex Hook. Native LYJU

rush skeletonplant · Asteraceae
Lysimachia ciliata L. Native LYCI

fringed loosestrife · Primulaceae
Machaeranthera canescens (Pursh) A. Gray Native MACA2

hoary tansyaster · Asteraceae
Machaeranthera canescens (Pursh) A. Gray ssp. canescens Native MACAC

hoary tansyaster · Asteraceae
Machaeranthera canescens (Pursh) A. Gray ssp. canescens var. canescens Native MACAC3

hoary tansyaster · Asteraceae
Machaeranthera grindelioides (Nutt.) Shinners Native MAGR2

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

rayless tansyaster · Asteraceae
Mahonia repens (Lindl.) G. Don Native MARE11

creeping barberry · Berberidaceae
Maianthemum racemosum (L.) Link Native MARA7

feathery false lily of the valley · Liliaceae
Maianthemum racemosum (L.) Link ssp. amplexicaule (Nutt.) LaFrankie Native MARAA

feathery false lily of the valley · Liliaceae
Maianthemum stellatum (L.) Link Native MAST4

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

cheeseweed mallow · Malvaceae
Medicago lupulina L. Introduced MELU

black medick · Fabaceae
Medicago sativa L. Introduced MESA

alfalfa · Fabaceae
Medicago sativa L. ssp. falcata (L.) Arcang. Introduced MESAF

yellow alfalfa · Fabaceae
Melilotus officinalis (L.) Lam. Introduced MEOF

sweetclover · Fabaceae
Mentha arvensis L. Native MEAR4

wild mint · Lamiaceae
Mentha spicata L. Introduced MESP3

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

whitestem blazingstar · Loasaceae
Mentzelia decapetala (Pursh ex Sims) Urb. & Gilg ex Gilg Native MEDE2

tenpetal blazingstar · Loasaceae
Mentzelia laevicaulis (Hook.) Torr. & A. Gray Native MELA2

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

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

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

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

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

nodding microseris · Asteraceae
Microsteris gracilis (Hook.) Greene Native MIGR

slender phlox · Polemoniaceae
Microsteris gracilis (Hook.) Greene var. gracilis Native MIGRG4

slender phlox · Polemoniaceae
Mimulus guttatus DC. Native MIGU

seep monkeyflower · Scrophulariaceae
Mirabilis linearis (Pursh) Heimerl Native MILI3

narrowleaf 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
Nassella viridula (Trin.) Barkworth Native NAVI4

green needlegrass · Poaceae
Nepeta cataria L. Introduced NECA2

catnip · Lamiaceae
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 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
Onosmodium bejariense DC. ex A. DC. Native ONBE

soft-hair marbleseed · Boraginaceae
Onosmodium bejariense DC. ex A. DC. var. occidentale (Mack.) B.L. Turner Native ONBEO

western marbleseed · Boraginaceae
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
Orthocarpus luteus Nutt. Native ORLU2

yellow owl's-clover · Scrophulariaceae
Orthocarpus tenuifolius (Pursh) Benth. Native ORTE2

thinleaved owl's-clover · Scrophulariaceae
Osmorhiza longistylis (Torr.) DC. Native OSLO

longstyle sweetroot · Apiaceae
Osmorhiza occidentalis (Nutt. ex Torr. & A. Gray) Torr. Native OSOC

western sweetroot · Apiaceae
Oxytropis besseyi (Rydb.) Blank. Native OXBE2

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

field locoweed · Fabaceae
Oxytropis lagopus Nutt. Native OXLA2

haresfoot 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
Parnassia fimbriata K.D. Koenig Native PAFI3

fringed grass of Parnassus · Saxifragaceae
Parnassia fimbriata K.D. Koenig var. fimbriata Native PAFIF

fringed grass of Parnassus · Saxifragaceae
Paronychia sessiliflora Nutt. Native PASE

creeping nailwort · Caryophyllaceae
Pastinaca sativa L. Introduced PASA2

wild parsnip · Apiaceae
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
Perideridia gairdneri (Hook. & Arn.) Mathias Native PEGA3

Gardner's yampah · Apiaceae
Perideridia gairdneri (Hook. & Arn.) Mathias ssp. borealis T.I. Chuang & Constance Native PEGAB

common yampah · Apiaceae
Phacelia heterophylla Pursh Native PHHE2

varileaf phacelia · Hydrophyllaceae
Phacelia heterophylla Pursh ssp. heterophylla Native PHHEH

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

threadleaf phacelia · Hydrophyllaceae
Phalaris arundinacea L. Native PHAR3

reed canarygrass · Poaceae
Phleum pratense L. Introduced PHPR3

timothy · Poaceae
Phlox alyssifolia Greene Native PHAL3

alyssumleaf phlox · Polemoniaceae
Phlox hoodii Richardson Native PHHO

spiny phlox · Polemoniaceae
Phlox kelseyi Britton Native PHKE

Kelsey's phlox · Polemoniaceae
Phlox kelseyi Britton ssp. kelseyi Native PHKEK

Kelsey's phlox · Polemoniaceae
Phragmites australis (Cav.) Trin. ex Steud. Both PHAU7

common reed · Poaceae
Phragmites australis (Cav.) Trin. ex Steud. ssp. americanus Saltonst., P.M. Peterson & Soreng Native PHAUA6

American common reed · Poaceae
Physalis longifolia Nutt. Native PHLO4

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

longleaf groundcherry · Solanaceae
Physocarpus malvaceus (Greene) Kuntze Native PHMA5

mallow ninebark · Rosaceae
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
Plantago major L. Introduced PLMA2

common plantain · Plantaginaceae
Plantago patagonica Jacq. Native PLPA2

woolly plantain · Plantaginaceae
Poa annua L. Introduced POAN

annual bluegrass · Poaceae
Poa bulbosa L. Introduced POBU

bulbous bluegrass · Poaceae
Poa compressa L. Introduced POCO

Canada bluegrass · Poaceae
Poa palustris L. Native POPA2

fowl bluegrass · Poaceae
Poa pratensis L. Both POPR

Kentucky bluegrass · Poaceae
Polemonium pulcherrimum Hook. Native POPU3

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

Jacob's-ladder · Polemoniaceae
Polygonum achoreum S.F. Blake Native POAC3

leathery knotweed · Polygonaceae
Polygonum amphibium L. Native POAM8

water knotweed · Polygonaceae
Polygonum amphibium L. var. emersum Michx. Native POAME

longroot smartweed · Polygonaceae
Polygonum arenastrum Jord. ex Boreau Introduced POAR11

oval-leaf knotweed · Polygonaceae
Polygonum aviculare L. Introduced POAV

prostrate knotweed · Polygonaceae
Polygonum bistortoides Pursh Native POBI6

American bistort · Polygonaceae
Polygonum douglasii Greene Native PODO4

Douglas' knotweed · Polygonaceae
Polygonum erectum L. Native POER2

erect knotweed · Polygonaceae
Polygonum polygaloides Wall. ex Meisn. Native POPO4

milkwort knotweed · Polygonaceae
Polygonum polygaloides Wall. ex Meisn. ssp. confertiflorum (Nutt. ex Piper) J.C. Hickman Native POPOC

fruitleaf 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
Populus tremuloides Michx. Native POTR5

quaking aspen · Salicaceae
Portulaca oleracea L. Both POOL

little hogweed · Portulacaceae
Potentilla argentea L. Introduced POAR8

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

silver cinquefoil · Rosaceae
Potentilla arguta Pursh Native POAR7

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

slender cinquefoil · Rosaceae
Potentilla hippiana Lehm. Native POHI6

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

woolly 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
Prosartes trachycarpa S. Watson Native PRTR4

roughfruit fairybells · Liliaceae
Prunella vulgaris L. Native PRVU

common selfheal · Lamiaceae
Prunella vulgaris L. ssp. lanceolata (W. Bartram) Hultén Native PRVUL2

lance selfheal · Lamiaceae
Prunus virginiana L. Native PRVI

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

black chokecherry · Rosaceae
Psathyrostachys juncea (Fisch.) Nevski Introduced PSJU3

Russian wildrye · Poaceae
Puccinellia distans (Jacq.) Parl. Both PUDI

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

weeping 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 acris L. Both RAAC3

tall buttercup · Ranunculaceae
Ranunculus acris L. var. acris Introduced RAACA3

showy buttercup · Ranunculaceae
Ranunculus cymbalaria Pursh Native RACY

alkali buttercup · Ranunculaceae
Ranunculus macounii Britton Native RAMA2

Macoun's buttercup · Ranunculaceae
Ranunculus repens L. Introduced RARE3

creeping 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 americanum Mill. Native RIAM2

American black currant · Grossulariaceae
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. oxyacanthoides Native RIOXO

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

inland gooseberry · Grossulariaceae
Rorippa palustris (L.) Besser Native ROPA2

bog yellowcress · Brassicaceae
Rorippa palustris (L.) Besser ssp. fernaldiana (Butters & Abbe) Jonsell Native ROPAF2

Fernald's 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 nutkana C. Presl Native RONU

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

bristly Nootka rose · Rosaceae
Rosa woodsii Lindl. Native ROWO

Woods' rose · Rosaceae
Rubus idaeus L. Both RUID

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

grayleaf red raspberry · Rosaceae
Rubus parviflorus Nutt. Native RUPA

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

thimbleberry · Rosaceae
Rudbeckia laciniata L. Native RULA3

cutleaf coneflower · Asteraceae
Rumex acetosa L. Both RUAC2

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

garden sorrel · Polygonaceae
Rumex acetosella L. Introduced RUAC3

common sheep sorrel · Polygonaceae
Rumex 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
Salicornia rubra A. Nelson Native SARU

red swampfire · Chenopodiaceae
Salix amygdaloides Andersson Native SAAM2

peachleaf willow · Salicaceae
Salix bebbiana Sarg. Native SABE2

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

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

narrowleaf willow · Salicaceae
Salix geyeriana Andersson Native SAGE2

Geyer willow · Salicaceae
Salix interior Rowlee Native SAIN3

sandbar willow · Salicaceae
Salix lucida Muhl. Native SALU

shining willow · Salicaceae
Salix lucida Muhl. ssp. lasiandra (Benth.) A.E. Murray Native SALUL

Pacific willow · Salicaceae
Salix lutea Nutt. Native SALU2

yellow willow · Salicaceae
Salix pseudomonticola C.R. Ball Native SAPS

false mountain willow · Salicaceae
Salsola tragus L. Introduced SATR12

prickly Russian thistle · Chenopodiaceae
Salvia ×sylvestris L. (pro sp.) [nemorosa × pratensis] Introduced SASY

woodland sage · Lamiaceae
Sanicula marilandica L. Native SAMA2

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

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

tall fescue · Poaceae
Schoenoplectus tabernaemontani (C.C. Gmel.) Palla Native SCTA2

softstem bulrush · Cyperaceae
Scirpus pallidus (Britton) Fernald Native SCPA8

cloaked bulrush · Cyperaceae
Scutellaria galericulata L. Native SCGA

marsh skullcap · Lamiaceae
Sedum acre L. Introduced SEAC

goldmoss stonecrop · Crassulaceae
Sedum lanceolatum Torr. Native SELA

spearleaf stonecrop · Crassulaceae
Sedum stenopetalum Pursh Native SEST2

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

wormleaf stonecrop · Crassulaceae
Senecio 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
Silene latifolia Poir. Introduced SILA21

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

bladder campion · Caryophyllaceae
Silene vulgaris (Moench) Garcke Introduced SIVU

maidenstears · Caryophyllaceae
Sinapis arvensis L. Introduced SIAR4

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

wild mustard · Brassicaceae
Sisymbrium altissimum L. Introduced SIAL2

tall tumblemustard · Brassicaceae
Sisymbrium loeselii L. Introduced SILO3

small tumbleweed mustard · Brassicaceae
Sium suave Walter Native SISU2

hemlock waterparsnip · Apiaceae
Solanum dulcamara L. Introduced SODU

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

climbing nightshade · Solanaceae
Solanum ptycanthum Dunal Native SOPT7

West Indian nightshade · Solanaceae
Solanum rostratum Dunal Native SORO

buffalobur nightshade · Solanaceae
Solanum triflorum Nutt. Native SOTR

cutleaf nightshade · Solanaceae
Solidago canadensis L. Native SOCA6

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

shorthair goldenrod · Asteraceae
Solidago gigantea Aiton Native SOGI

giant goldenrod · Asteraceae
Solidago missouriensis Nutt. Native SOMI2

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

Missouri goldenrod · Asteraceae
Sonchus arvensis L. Introduced SOAR2

field sowthistle · Asteraceae
Sonchus arvensis L. ssp. uliginosus (M. Bieb.) Nyman Introduced SOARU

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

spiny sowthistle · Asteraceae
Sonchus oleraceus L. Introduced SOOL

common sowthistle · Asteraceae
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
Stachys pilosa Nutt. Native STPI6

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

hairy hedgenettle · Lamiaceae
Stanleya pinnata (Pursh) Britton Native STPI

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

desert princesplume · Brassicaceae
Stellaria crispa Cham. & Schltdl. Native STCR2

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

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

common chickweed · Caryophyllaceae
Stenotus armerioides Nutt. Native STAR10

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

thrift mock goldenweed · Asteraceae
Stephanomeria runcinata Nutt. Native STRU3

desert wirelettuce · Asteraceae
Suaeda calceoliformis (Hook.) Moq. Native SUCA2

Pursh seepweed · Chenopodiaceae
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 falcatum (Lindl.) G.L. Nesom Native SYFA

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

white prairie aster · Asteraceae
Symphyotrichum foliaceum (Lindl. ex DC.) G.L. Nesom Native SYFO2

alpine leafybract aster · Asteraceae
Symphyotrichum foliaceum (Lindl. ex DC.) G.L. Nesom var. foliaceum Native SYFOF

alpine leafybract aster · Asteraceae
Symphyotrichum 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 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
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 venulosum Trel. Native THVE

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

prairie thermopsis · Fabaceae
Thlaspi arvense L. Introduced THAR5

field pennycress · Brassicaceae
Toxicodendron rydbergii (Small ex Rydb.) Greene Native TORY

western poison ivy · Anacardiaceae
Tragopogon dubius Scop. Introduced TRDU

yellow salsify · 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
Typha latifolia L. Native TYLA

broadleaf cattail · Typhaceae
Urtica dioica L. Both URDI

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

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

cow soapwort · Caryophyllaceae
Vaccinium membranaceum Douglas ex Torr. Native VAME

thinleaf huckleberry · Ericaceae
Valeriana officinalis L. Introduced VAOF

garden valerian · Valerianaceae
Verbascum thapsus L. Introduced VETH

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

bigbract verbena · Verbenaceae
Veronica anagallis-aquatica L. Native VEAN2

water speedwell · Scrophulariaceae
Veronica persica Poir. Introduced VEPE3

birdeye 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 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
Viola septentrionalis Greene Native VISE5

northern woodland 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 venenosus S. Watson Native ZIVE

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

grassy deathcamas · Liliaceae