136 plant species documented
Pinaceae

subalpine fir

Abies lasiocarpa (Hook.) Nutt.

Aceraceae

boxelder

Acer negundo L.

Asteraceae

common yarrow

Achillea millefolium L.

Unknown

Western Yarrow

Achillea tomentosa Pursh, non L.

Acoraceae

calamus

Acorus calamus L.

Ranunculaceae

red baneberry

Actaea rubra (Aiton) Willd.

Lamiaceae

blue giant hyssop

Agastache anethiodora (Nutt.) Britton

Liliaceae

shortstyle onion

Allium brevistylum S. Watson

Liliaceae

Drummond's onion

Allium nuttallii S. Watson

Liliaceae

textile onion

Allium reticulatum G. Don var. playanum M.E. Jones

Liliaceae

wild chives

Allium schoenoprasum L.

Unknown

Unknown Plant

Allium sibiricum L.

Asteraceae

Cuman ragweed

Ambrosia rugelii Rydb.

Cyperaceae

Nevada bulrush

Amphiscirpus nevadensis (S. Watson) Oteng Yeboah

Asteraceae

prairie sagewort

Artemisia frigida Willd.

Asteraceae

white sagebrush

Artemisia ludoviciana Nutt.

Asclepiadaceae

showy milkweed

Asclepias giffordii Eastw.

Fabaceae

Canadian milkvetch

Astragalus canadensis L.

Asteraceae

hoary balsamroot

Balsamorhiza incana Nutt.

Asteraceae

arrowleaf balsamroot

Balsamorhiza sagittata (Pursh) Nutt.

Liliaceae

Gunnison's mariposa lily

Calochortus gunnisonii S. Watson

Cyperaceae

Nebraska sedge

Carex nebrascensis Dewey

Unknown

Gairdner's Yampah

Carum gairdneri (Hook. & Arn.) A. Gray

Scrophulariaceae

downy paintedcup

Castilleja sessiliflora Pursh

Unknown

Unknown Plant

Chrysothamnus nauseosus (Pall. ex Pursh) Britton ssp. bolanderi (A. Gray) H.M. Hall & Clem.

Asteraceae

edible thistle

Cirsium macounii (Greene) Rydb.

Cucurbitaceae

watermelon

Citrullus lanatus (Thunb.) Matsum. & Nakai

Apiaceae

Bears’ Food; White Flowered Parsley; Northern Idaho biscuitroot

Cogswellia orientalis (J.M. Coult. & Rose) M.E. Jones

Cornaceae

redosier dogwood

Cornus sericea L.

Rosaceae

black hawthorn

Crataegus douglasii Lindl. var. douglasii

Unknown

Hawthorn

Crataegus oxyacantha L. var. paulii (Rehder) Rehder

Asteraceae

narrowleaf purple coneflower

Echinacea angustifolia DC.

Equisetaceae

field horsetail

Equisetum calderi B. Boivin

Equisetaceae

scouringrush horsetail

Equisetum hyemale L.

Asteraceae

rubber rabbitbrush

Ericameria nauseosa (Pall. ex Pursh) G.L. Nesom & Baird

Asteraceae

subalpine fleabane

Erigeron peregrinus (Banks ex Pursh) Greene

Polygonaceae

sulphur-flower buckwheat

Eriogonum umbellatum Torr.

Cactaceae

spinystar

Escobaria vivipara (Nutt.) Buxbaum

Unknown

boneset

Eupatorium purpureum L. var. maculatum (L.) Darl.

Parmeliaceae

wolf lichen

Evernia vulpina (L.) Ach.

Araliaceae

devilsclub

Fatsia horrida (Sm.) Benth. & Hook. f. ex W.H. Brewer & S. Watson

Rosaceae

Virginia strawberry

Fragaria virginiana Duchesne

Oleaceae

green ash

Fraxinus smallii Britton

Geraniaceae

Richardson's geranium

Geranium richardsonii Fisch. & Trautv.

Fabaceae

American licorice

Glycyrrhiza lepidota Pursh var. glutinosa (Nutt.) S. Watson

Asteraceae

western pearly everlasting

Gnaphalium margaritaceum L.

Asteraceae

curlycup gumweed

Grindelia squarrosa (Pursh) Dunal

Asteraceae

common sneezeweed

Helenium autumnale L.

Asteraceae

common sunflower

Helianthus lenticularis Douglas ex Lindl.

Asteraceae

Jerusalem artichoke

Helianthus tuberosus L. var. subcanescens A. Gray

Apiaceae

eltrot

Heracleum sphondylium L. ssp. montanum (Schleich. ex Gaudin) Briq.

Unknown

Chicadee Plant; Golden Aster

Heterotheca foliosa (Nutt.) Shinners

Asteraceae

hairy false goldenaster

Heterotheca villosa (Pursh) Shinners

Unknown

Alpine Alumroot; Round Leaved Alumroot; Alumroot

Heuchera ovalifolia Nutt. ex Torr. & A. Gray var. thompsonii Rosend., Butters & Lakela

Convolvulaceae

bush morning-glory

Ipomoea leptophylla Torr.

Unknown

Baltic Rush; Wire Rush

Juncus balticus Willd. var. alaskanus (Hultén) A.E. Porsild

Cupressaceae

common juniper

Juniperus communis L.

Unknown

Unknown Plant

Juniperus sibirica Burgsd.

Poaceae

prairie Junegrass

Koeleria yukonensis Hultén

Asteraceae

greater burdock

Lappa major Gaertn.

Elaeagnaceae

silver buffaloberry

Lepargyrea argentea (Pursh) Greene

Elaeagnaceae

russet buffaloberry

Lepargyrea canadensis (L.) Greene

Boraginaceae

narrowleaf stoneseed

Lithospermum mandanense Spreng.

Boraginaceae

western stoneseed

Lithospermum pilosum Nutt.

Cactaceae

peyote

Lophophora williamsii (Lem. ex Salm-Dyck) J.M. Coult. var. echinata (Croizat) H. Bravo

Asteraceae

mountain tarweed

Madia glomerata Hook.

Lamiaceae

wild mint

Mentha penardii (Briq.) Rydb.

Loasaceae

bractless blazingstar

Mentzelia nuda (Pursh) Torr. & A. Gray

Lamiaceae

wild bergamot

Monarda fistulosa L.

Berberidaceae

Barberry; Creeping Mahonia; Creeping Oregon Grape; creeping barberry

Odostemon repens (Lindl.) Cockerell

Cactaceae

plains pricklypear

Opuntia polyacantha Haw.

Unknown

Showy Locoweed; Silky Locoweed

Oxytropis splendens Douglas ex Hook. var. vestita Hook.

Saxifragaceae

fringed grass of Parnassus

Parnassia fimbriata K.D. Koenig

Scrophulariaceae

elephanthead lousewort

Pedicularis groenlandica Retz. var. surrecta (Benth.) A. Gray

Fabaceae

subterranean Indian breadroot

Pediomelum hypogaeum (Nutt. ex Torr. & A. Gray) Rydb.

Apiaceae

Gardner's yampah

Perideridia gairdneri (Hook. & Arn.) Mathias

Polemoniaceae

flowery phlox

Phlox multiflora A. Nelson

Solanaceae

clammy groundcherry

Physalis heterophylla Nees

Pinaceae

lodgepole pine

Pinus contorta Douglas ex Loudon

Pinaceae

ponderosa pine

Pinus ponderosa Lawson & C. Lawson

Salicaceae

eastern cottonwood

Populus deltoides W. Bartram ex Marshall

Salicaceae

quaking aspen

Populus vancouveriana Trel.

Rosaceae

shrubby cinquefoil

Potentilla fruticosa L.

Rosaceae

American plum

Prunus americana Marshall

Rosaceae

chokecherry

Prunus virginiana L.

Fabaceae

silverleaf Indian breadroot; Wild Alfalfa

Psoralea collina Rydb.

Fabaceae

large Indian breadroot; Indian Potato; Indian Breadroot

Psoralea esculenta Pursh

Unknown

Pasqueflower; prairie crocus

Pulsatilla patens (L.) Mill. ssp. hirsutissima (Pursh) Zamels

Fagaceae

bur oak

Quercus macrocarpa Michx.

Anacardiaceae

smooth sumac

Rhus glabra L. var. occidentalis Torr.

Anacardiaceae

skunkbush sumac

Rhus trilobata Nutt.

Grossulariaceae

golden currant

Ribes aureum Pursh

Unknown

Women’s Currant

Ribes inebrians Lindl.

Unknown

Buffalo Currant; Wild Currant

Ribes odoratum H. Wendl.

Grossulariaceae

prickly currant

Ribes oxycanthoides L. var. lacustre Pers.

Unknown

Gooseberry; Inland Gooseberry; Northern Gooseberry

Ribes setosum Lindl.

Rosaceae

Woods' rose

Rosa woodsii Lindl.

Rosaceae

whitebark raspberry

Rubus leucodermis Douglas ex Torr. & A. Gray

Unknown

Grayleaf Red Raspberry; Red Raspberry

Rubus strigosus Michx. var. canadensis (Richardson) House

Asteraceae

Mexican Hat; Prairie Coneflower; upright prairie coneflower

Rudbeckia columnifera Nutt.

Asteraceae

pale purple coneflower

Rudbeckia pallida Nutt.

Polygonaceae

curly dock

Rumex crispus L.

Polygonaceae

veiny dock

Rumex venosus Pursh

Cupressaceae

creeping juniper

Sabina prostrata (Pers.) Antoine

Cupressaceae

Rocky Mountain juniper; 199

Sabina scopulorum (Sarg.) Rydb.

Alismataceae

broadleaf arrowhead

Sagittaria viscosa C. Mohr

Salicaceae

peachleaf willow

Salix wrightii Andersson

Chenopodiaceae

greasewood

Sarcobatus vermiculatus (Hook.) Torr. var. baileyi (Coville) Jeps.

Saxifragaceae

James' telesonix

Saxifraga jamesii Torr.

Cyperaceae

hardstem bulrush

Schoenoplectus acutus (Muhl. ex Bigelow) Á. Löve & D. Löve

Asteraceae

arrowleaf ragwort

Senecio triangularis Hook. var. angustifolius G.N. Jones

Brassicaceae

watercress

Sisymbrium nasturtium-aquaticum L.

Malvaceae

scarlet globemallow

Sphaeralcea coccinea (Nutt.) Rydb.

Caryophyllaceae

common chickweed

Stellaria media (L.) Vill.

Unknown

Spiny Skeletonweed

Stephanomeria spinosa (Nutt.) S. Tomb

Caprifoliaceae

common snowberry

Symphoricarpos albus (L.) S.F. Blake

Asteraceae

Cusick's aster

Symphyotrichum foliaceum (Lindl. ex DC.) G.L. Nesom var. cusickii (A. Gray) Lesica

Unknown

Unknown Plant

Symphyotrichum subgeminatum (Fernald) G.L. Nesom

Asteraceae

disc mayweed

Tanacetum suaveolens (Pursh) Hook.

Asteraceae

common tansy

Tanacetum vulgare L. var. crispum DC.

Gentianaceae

elkweed

Tesseranthium radiatum Kellogg

Ranunculaceae

fewflower meadow-rue

Thalictrum sparsiflorum Turcz. ex Fisch. & C.A. Mey.

Fabaceae

prairie thermopsis

Thermopsis rhombifolia (Nutt. ex Pursh) Nutt. ex Richardson var. arenosa (A. Nelson) Larisey

Brassicaceae

shepherd's purse

Thlaspi bursa-pastoris L.

Poaceae

sweetgrass

Torresia odorata (L.) Hitchc.

Brassicaceae

tower rockcress

Turritis glabra L.

Typhaceae

broadleaf cattail

Typha latifolia L.

Ulmaceae

American elm

Ulmus floridana Chapm.

Ericaceae

kinnikinnick

Uva-Ursi uva-ursi (L.) Britton, nom. inval.

Ericaceae

grouse whortleberry

Vaccinium scoparium Leiberg ex Coville

Vitaceae

frost grape

Vitis illex L.H. Bailey

Apiaceae

sweetcicely

Washingtonia divaricata Britton

Apiaceae

longstyle sweetroot

Washingtonia longistylis (Torr.) Britton

Asteraceae

broom snakeweed

Xanthocephalum tenue (Greene) Shinners

Agavaceae

soapweed yucca

Yucca glauca Nutt.

Poaceae

corn

Zea mays L.