Vascular Plants of Big Horn County, Montana
Generated from PNW Herbaria database
November 28, 2020.
83 family names
361 genus names
841 species/infraspecies names
(names highlighted in brown could not be resolved to an accepted name)
{an additional 189 species/infraspecies are to be expected based on presence in one of these adjacent counties: Treasure, Yellowstone; these names are colored gray and enclosed in braces}
Index to Families:
FERNS:
GYMNOSPERMS:
DICOTS:
Amaranthaceae: Amaranthus, Atriplex, Bassia, Blitum, Chenopodiastrum, Chenopodium, Corispermum, Dysphania, Grayia, Halogeton, Krascheninnikovia, Oxybasis, Salicornia, Salsola, Stutzia, Suaeda
Apiaceae: Berula, Bupleurum, Carum, Conioselinum, Conium, Cymopterus, Daucus, Heracleum, Ligusticum, Lomatium, Musineon, Osmorhiza, Perideridia, Sanicula, Sium
Asteraceae: Achillea, Agoseris, Ambrosia, Antennaria, Arnica, Artemisia, Aster, Balsamorhiza, Bidens, Brickellia, Carthamus, Centaurea, Centipeda, Chaenactis, Chondrilla, Chrysothamnus, Cichorium, Cirsium, Conyza, Crepis, Cyclachaena, Dieteria, Echinacea, Ericameria, Erigeron, Euthamia, Eutrochium, Filago, Gaillardia, Geraea, Gnaphalium, Grindelia, Gutierrezia, Helianthella, Helianthus, Heterotheca, Hieracium, Hymenopappus, Iva, Lactuca, Liatris, Lygodesmia, Machaeranthera, Matricaria, Microseris, Nothocalais, Onopordum, Packera, Picradeniopsis, Ratibida, Rhaponticum, Rudbeckia, Scabrethia, Senecio, Solidago, Sonchus, Stenotus, Stephanomeria, Symphyotrichum, Tanacetum, Taraxacum, Tetradymia, Tetraneuris, Thelesperma, Townsendia, Tragopogon, Xanthisma
Boraginaceae: Asperugo, Cryptantha, Cynoglossum, Echium, Eritrichium, Hackelia, Lappula, Lithospermum, Mertensia, Onosmodium, Oreocarya
Brassicaceae: Alyssum, Arabidopsis, Arabis, Armoracia, Barbarea, Berteroa, Boechera, Brassica, Camelina, Capsella, Chorispora, Conringia, Descurainia, Draba, Erysimum, Hesperis, Isatis, Lepidium, Physaria, Rorippa, Sinapis, Sisymbrium, Stanleya, Thlaspi, Turritis
Caryophyllaceae: Arenaria, Cerastium, Eremogone, Holosteum, Paronychia, Sabulina, Silene, Spergularia, Stellaria, Vaccaria
Fabaceae: Astragalus, Dalea, Glycyrrhiza, Hedysarum, Ladeania, Lathyrus, Lupinus, Medicago, Melilotus, Oxytropis, Pediomelum, Tephrosia, Thermopsis, Trifolium, Vicia
Lamiaceae: Agastache, Glechoma, Hedeoma, Leonurus, Melissa, Mentha, Monarda, Nepeta, Salvia, Scutellaria, Stachys
Rosaceae: Agrimonia, Amelanchier, Cercocarpus, Crataegus, Dasiphora, Drymocallis, Fragaria, Geum, Ivesia, Kelseya, Petrophytum, Physocarpus, Potentilla, Poterium, Prunus, Rosa, Rubus, Sorbus, Spiraea
MONOCOTS:
Poaceae: Achnatherum, Agropyron, Agrostis, Alopecurus, Andropogon, Aristida, Beckmannia, Bouteloua, Bromus, Calamagrostis, Calamovilfa, Catabrosa, Cinna, Crypsis, Dactylis, Danthonia, Deschampsia, Dichanthelium, Digitaria, Diplachne, Distichlis, Echinochloa, Elyhordeum, Elymus, Eragrostis, Eremopyrum, Festuca, Glyceria, Hesperostipa, Hordeum, Koeleria, Leersia, Leucopoa, Leymus, Lolium, Melica, Muhlenbergia, Munroa, Nassella, Panicum, Pascopyrum, Phalaris, Phleum, Phragmites, Poa, Psathyrostachys, Pseudoroegnaria, Pseudoroegneria, Puccinellia, Schedonnardus, Schizachyrium, Setaria, Spartina, Sphenopholis, Sporobolus, Thinopyrum, Torreyochloa, Triticum, Ventenata, Vulpia
FERNS:
Cystopteris fragilis (MONTU, RM; 1983)
Equisetum hyemale (MONT; 1976)
Equisetum laevigatum (MONT, RM; 1983)
Equisetum variegatum (RM; 2001)
Pellaea breweri (MONTU; 1986)
Woodsia oregana (RM; 1983)
GYMNOSPERMS:
Juniperus horizontalis (MONTU; 1972)
Juniperus osteosperma (ID, MONT, NY, RM, WTU; 1980)
Juniperus scopulorum (MONT, MONTU; 1983)
Pinus contorta (MONT; 2003)
Pinus ponderosa (MONT, RM; 2001)
DICOTS:
Sambucus cerulea (MONTU; 1983)
Sambucus nigra (RM; 1983)
ssp. canadensis (RM; 1983)
Viburnum lentago (MONT, MONTU, RM; 1994)
Amaranthus albus (ID; 1954)
Amaranthus blitoides (MONT, MONTU, WTU; 1954)
Amaranthus retroflexus (ID, MONT, MONTU, RM; 1977)
Atriplex argentea (MONTU, RM; 1977)
Atriplex confertifolia (MONT; 1963)
Atriplex heterosperma (MONT; 1936)
Atriplex patula (ID, MONT; 1954)
Atriplex powellii (MONT; 1951)
Bassia scoparia (MONT, RM; 1976)
Blitum nuttallianum (MONT, MONTU; 1977)
Chenopodiastrum simplex (MONTU; 1977)
Chenopodium album (MONT, RM; 1976)
Chenopodium berlandieri (MONT, RM; 1983)
var. zschackei (RM; 1983)
Chenopodium desiccatum (MONT; 1955)
Chenopodium fremontii (RM; 1977)
Chenopodium pratericola (RM; 1977)
Corispermum americanum (RM; 1983)
var. americanum (RM; 1983)
Corispermum villosum (MONTU; 1983)
Grayia spinosa (MONT; 1967)
Halogeton glomeratus (MONTU; 2002)
Krascheninnikovia lanata (MONT; 1985)
Salsola collina (MONT, MONTU; 1983)
Salsola tragus (MONTU, RM; 1983)
Stutzia dioica (MONT, MONTU, RM, WTU; 1977)
Suaeda nigra (MONT; 1955)
Rhus aromatica (MONT; 1985)
var. aromatica (MONT; 1985)
Rhus glabra (MONTU, RM; 1983)
Berula incisa (MONTU; 1999)
Bupleurum americanum (MONT, MONTU; 1953)
Conioselinum scopulorum (MONTU, RM; 1954)
Conium maculatum (MONT; 1967)
Cymopterus glomeratus (MONT, MONTU, RM; 1983)
Cymopterus hendersonii (OSC, RM; 1945)
Daucus carota (MONT, WTU; 1954)
Heracleum maximum (MONT, MONTU, RM; 2004)
Ligusticum porteri (ID; 1954)
Lomatium cous (MONT; 1952)
Lomatium foeniculaceum (MONT, MONTU, RM; 1983)
Lomatium nuttallii (ID, MONTU; 1980)
Lomatium orientale (MONT, MONTU, RM; 1983)
Lomatium triternatum (MONT; 1975)
Musineon divaricatum (MONT; 1985)
Musineon vaginatum (MONTU; 1983)
Osmorhiza longistylis (MONTU; 1994)
Perideridia montana (ID, MONT, RM, WTU; 1983)
Sanicula marilandica (MONTU, RM; 1983)
Sium suave (MONT; 1954)
Apocynum androsaemifolium (MONT, MONTU, RM; 1983)
Apocynum cannabinum (MONT, MONTU; 1977)
Asclepias pumila (MONT; 1952)
Asclepias speciosa (MONT, MONTU, RM; 1984)
Asclepias verticillata (MONT; 1976)
Asclepias viridiflora (MONT, RM; 2001)
Achillea millefolium (MONT, OSC, USFS; 1984)
Agoseris ×agrestis (MONT; 1976)
Agoseris glauca (MONT, RM; 1983)
var. dasycephala (MONT, RM; 1983)
Agoseris parviflora (MONTU; 2005)
Ambrosia artemisiifolia (MONT; 1958)
Ambrosia psilostachya (MONT, MONTU, RM; 1983)
Ambrosia trifida (MONT, RM; 1983)
Antennaria anaphaloides (MONTU; 1980)
Antennaria dimorpha (MONT, RM; 1977)
Antennaria howellii (MONT, RM; 1985)
ssp. howellii (RM; 1983)
Antennaria microphylla (MONT, RM; 1985)
Antennaria parvifolia (MONT, MONTU; 1977)
Arnica cordifolia (RM; 1983)
Arnica fulgens (RM; 1983)
Arnica sororia (MONT, RM; 1985)
Artemisia campestris (MONT, MONTU, RM; 1993)
var. caudata (MONTU; 1983)
var. scouleriana (MONTU, RM; 1983)
Artemisia cana (MONT, MONTU, RM; 1984)
ssp. cana (MONTU, RM; 1983)
Artemisia capitata (MONTU; 1986)
Artemisia dracunculus (MONT, MONTU, RM; 1977)
Artemisia frigida (MONT, RM; 1984)
Artemisia ludoviciana (MONT, RM; 1983)
ssp. ludoviciana (RM; 1983)
Artemisia nova (MONT; 1954)
Artemisia pedatifida (MONT, WTU; 1967)
Artemisia tridentata (ID, MONT, MONTU, RM; 1984)
ssp. tridentata (RM; 1977)
ssp. wyomingensis (MONTU; 1973)
Aster adsurgens (MONT; 1984)
Aster hesperius (MONT; 1952)
var. hesperius (MONT; 1952)
Balsamorhiza incana (MONT; 1953)
Bidens frondosa (MONTU; 1999)
Bidens vulgata (MONT, MONTU, RM; 1993)
Brickellia eupatorioides (MONT, MONTU, RM; 2001)
Carthamus tinctorius (RM; 1989)
Centaurea biebersteinii (MONTU; 1983)
Centaurea diffusa (RM; 2001)
Centaurea stoebe (MONT, RM, USFS; 1983)
ssp. australis (MONT, RM, USFS; 1983)
Chaenactis douglasii (MONT, WTU; 1967)
Chrysothamnus viscidiflorus (MONTU, RM; 1983)
ssp. viscidiflorus (MONTU, RM; 1983)
Cichorium intybus (MONT, RM; 2004)
Cirsium arvense (ID, MONT, NY, RM; 1984)
Cirsium flodmanii (MONT, RM, WTU; 1954)
Cirsium undulatum (ID, MONT; 1984)
Cirsium vulgare (MONT, RM; 2003)
Conyza canadensis (MONT; 1958)
Crepis acuminata (MONT; 1954)
Crepis atribarba (MONT, MONTU, RM; 1983)
Crepis modocensis (MONT, MONTU; 1985)
Crepis occidentalis (MONT, MONTU, RM; 2005)
Crepis runcinata (RM; 1983)
ssp. runcinata (RM; 1983)
Cyclachaena xanthiifolia (MONT, MONTU; 2008)
Dieteria canescens (MONT, MONTU, RM; 1977)
var. canescens (MONTU, RM; 1977)
Echinacea angustifolia (MONT, MONTU, RM; 2014)
Echinacea pallida (MONT; 1984)
Ericameria nauseosa (MONT, OSC, RM, SRP; 2013)
var. graveolens (OSC; 1981)
var. nauseosa (OSC; 2013)
Erigeron allocotus (RM; 1980)
Erigeron caespitosus (MONT; 1995)
Erigeron compositus (MONTU, RM; 1977)
Erigeron corymbosus (MONT, RM; 1983)
Erigeron divergens (MONT; 1985)
Erigeron glabellus (RM; 1983)
Erigeron lonchophyllus (MONTU; 1983)
Erigeron ochroleucus (MONT, MONTU, RM, WTU; 2017)
Erigeron speciosus (MONT; 1976)
Erigeron strigosus (MONT, RM; 1983)
Erigeron subtrinervis (MONT; 1952)
Erigeron ursinus (MONTU; 1980)
Euthamia occidentalis (MONT, RM; 2008)
Eutrochium maculatum (MONT, MONTU, RM; 1998)
var. bruneri (RM; 1983)
Filago arvensis (MONT, RM; 2001)
Gaillardia aristata (MONT, RM; 2001)
Geraea viscida (MONT; 1953)
Grindelia squarrosa (MONT, MONTU; 1984)
Gutierrezia sarothrae (ID, MONT, OSC, SRP; 2013)
Helianthella quinquenervis (MONTU; 1994)
Helianthus annuus (MONT; 1976)
Helianthus maximiliani (MONT, MONTU, RM; 1977)
Helianthus pauciflorus (MONT; 1976)
ssp. pauciflorus (MONT; 1974)
ssp. subrhomboideus (MONT; 1976)
Helianthus petiolaris (MONT, MONTU, RM; 1983)
Heterotheca villosa (MONT, MONTU, RM, SRP; 1983)
var. foliosa (RM; 1983)
var. villosa (MONTU; 1983)
Hieracium albiflorum (RM; 1983)
Hymenopappus filifolius (MONT, RM; 1980)
var. polycephalus (MONT; 1951)
Iva axillaris (MONT, MONTU, RM; 1976)
Lactuca ludoviciana (MONTU, RM; 1983)
Lactuca serriola (MONT, RM; 1984)
Lactuca tatarica (MONT, RM; 1973)
ssp. pulchella (MONT, RM; 1973)
Liatris punctata (MONT, MONTU, RM, SRP; 1993)
Lygodesmia juncea (MONT, RM; 1984)
Machaeranthera tanacetifolia (MONT; 1950)
Microseris nutans (ID, MONT, RM; 1985)
Nothocalais troximoides (MONT; 1985)
Packera cana (MONT, MONTU; 2005)
Packera paupercula (MONTU, RM; 2001)
Packera plattensis (MONT, MONTU, USFS; 1999)
Picradeniopsis oppositifolia (ID, MONT; 1955)
Ratibida columnifera (MONT, RM; 1984)
Rhaponticum repens (MONT; 2003)
Rudbeckia laciniata (MONT; 1976)
var. ampla (MONT; 1976)
Scabrethia scabra (MONT; 1967)
Senecio integerrimus (MONT; 1953)
var. exaltatus (MONT; 1953)
Solidago canadensis (RM; 1983)
Solidago gigantea (MONT; 1952)
Solidago lepida (MONTU; 1983)
var. salebrosa (MONTU; 1983)
Solidago missouriensis (MONT, MONTU, RM; 2001)
Solidago mollis (MONT, MONTU, RM; 1984)
Solidago nemoralis (MONT, MONTU, RM; 2001)
ssp. decemflora (MONT, RM; 2001)
Solidago rigida (MONT, MONTU, RM; 1999)
ssp. humilis (RM; 1993)
Sonchus arvensis (MONT; 1954)
ssp. uliginosus (MONT; 1954)
Sonchus asper (ID, WTU; 1954)
Stenotus armerioides (MONTU, RM; 1977)
var. armerioides (MONTU, RM; 1977)
Stephanomeria runcinata (MONT, MONTU; 1980)
Stephanomeria tenuifolia (ID, WTU; 1954)
Symphyotrichum ascendens (MONT, WTU; 1984)
Symphyotrichum bracteolatum (ID, MONTU, RM; 2001)
Symphyotrichum ciliatum (MONTU, RM; 1977)
Symphyotrichum ericoides (MONT, RM; 2001)
var. ericoides (RM; 2001)
Symphyotrichum falcatum (MONTU; 1936)
Symphyotrichum lanceolatum (MONT, MONTU, RM; 1977)
var. hesperium (MONT, MONTU, RM; 1977)
Symphyotrichum molle (MONTU, RM; 2001)
Tanacetum vulgare (MONTU; 1999)
Taraxacum erythrospermum (MONT; 1954)
Taraxacum officinale (MONT, MONTU; 1950)
Tetradymia canescens (MONT; 1955)
Tetraneuris acaulis (MONT, RM; 1983)
var. acaulis (RM; 1983)
Tragopogon dubius (MONT; 1954)
Tragopogon pratensis (MONT; 1962)
Xanthisma grindelioides (MONT; 1953)
Xanthisma spinulosum (MONT; 1984)
Mahonia repens (MONT, MONTU, RM; 1983)
Betula occidentalis (MONT; 1968)
Asperugo procumbens (MONT, MONTU, RM; 2006)
Cryptantha minima (MONT; 1953)
Cryptantha torreyana (MONTU; 1994)
Cynoglossum officinale (MONTU, RM; 1983)
Eritrichium argenteum (MONTU; 1951)
Hackelia americana (RM; 1977)
Hackelia deflexa (MONTU; 1977)
Hackelia floribunda (MONT; 1952)
Lappula redowskii (MONT, SRP; 1985)
Lappula squarrosa (MONT; 2004)
Lithospermum incisum (MONT, MONTU; 2005)
Lithospermum occidentale (RM; 1983)
Lithospermum ruderale (MONT; 1953)
Mertensia ciliata (RM; 1983)
Mertensia foliosa (MONT; 1960)
Mertensia oblongifolia (RM; 1983)
Onosmodium bejariense (MONT, MONTU; 1983)
Oreocarya cana (MONTU; 1983)
Oreocarya glomerata (MONT, MONTU, RM; 1983)
Oreocarya sobolifera (WTU; 1945)
Oreocarya spiculifera (MONTU; 1972)
Alyssum alyssoides (MONT, RM; 1985)
Alyssum desertorum (RM; 1983)
Arabidopsis thaliana (RM; 2001)
Arabis nuttallii (MONT; 1954)
Armoracia rusticana (MONTU, RM; 1977)
Boechera holboellii (MONT, RM; 1991)
Boechera retrofracta (MONTU; 1977)
Brassica nigra (MONT; 1901)
Camelina microcarpa (MONT, MONTU, RM; 1983)
Capsella bursa-pastoris (MONTU, RM; 1983)
Chorispora tenella (MONT; 1960)
Conringia orientalis (MONTU; 1977)
Descurainia incana (MONTU; 1972)
Descurainia pinnata (MONT, MONTU; 1984)
ssp. brachycarpa (MONTU; 1977)
Descurainia sophia (MONTU, RM; 1977)
Draba albertina (RM; 1983)
Draba nemorosa (MONT; 1953)
Draba reptans (MONT, MONTU; 1972)
Erysimum asperum (MONT; 1985)
ssp. capitatum (MONT; 1953)
Erysimum cheiranthoides (MONTU, RM; 1983)
Erysimum inconspicuum (ID, MONT; 1955)
Erysimum repandum (MONT, RM; 1957)
Hesperis matronalis (MONT, MONTU, RM; 1983)
Lepidium appelianum (MONT; 1966)
Lepidium densiflorum (MONTU, RM; 1977)
Lepidium draba (MONT; 1966)
Lepidium perfoliatum (MONT, MONTU, RM, WTU; 1985)
Physaria acutifolia (MONTU; 1982)
Physaria curvipes (MONT, MONTU; 1980)
Physaria didymocarpa (MONT; 1993)
Physaria reediana (MONT, MONTU, SRP; 2004)
Physaria spatulata (MONT, MONTU, RM; 2005)
Rorippa palustris (RM; 2001)
ssp. palustris (RM; 2001)
Rorippa sinuata (ID, MONT; 1955)
Sisymbrium altissimum (MONT; 1984)
Sisymbrium loeselii (MONT, MONTU, RM; 1977)
Stanleya pinnata (MONT, RM, WTU; 1954)
var. pinnata (RM; 1947)
Thlaspi arvense (MONT, RM; 2001)
Turritis glabra (MONT, MONTU, RM; 2001)
Opuntia polyacantha (MONT; 1968)
Campanula rotundifolia (MONT, RM; 1983)
Triodanis leptocarpa (MONT; 1957)
Celtis occidentalis (MONT, MONTU, RM; 1994)
Humulus lupulus (RM; 2001)
Lonicera tatarica (MONT, RM; 2001)
Symphoricarpos albus (MONT, MONTU, RM; 1983)
var. albus (RM; 1983)
Symphoricarpos occidentalis (MONT, MONTU, WTU; 1994)
Arenaria serpyllifolia (MONTU; 2001)
Cerastium arvense (MONT, RM; 1979)
Cerastium fontanum (MONT; 1954)
Eremogone congesta (MONT; 1953)
Eremogone hookeri (MONT, MONTU; 1972)
Holosteum umbellatum (MONT; 1986)
Paronychia sessiliflora (MONTU, RM; 1977)
Sabulina nuttallii (RM; 1977)
var. nuttallii (RM; 1977)
Sabulina rubella (MONTU; 1977)
Silene drummondii (MONTU; 1994)
Silene latifolia (MONT; 2005)
Silene menziesii (MONTU, RM; 1983)
Silene parryi (MONT; 1953)
Stellaria longipes (MONT; 1954)
Stellaria media (MONT, RM; 1983)
Parnassia palustris (RM; 2001)
Ceratophyllum demersum (MONT; 1949)
Peritoma lutea (MONT, WTU; 1967)
Peritoma serrulata (MONT; 1955)
Polanisia dodecandra (MONT; 1949)
ssp. trachysperma (MONT; 1949)
Calystegia sepium (MONT; 1975)
Convolvulus arvensis (MONT, MONTU, RM; 2001)
Cuscuta approximata (MONT; 2005)
Evolvulus nuttallianus (MONT, RM; 2001)
Ipomoea indica (MONT; 1953)
Ipomoea leptophylla (MONT, RM; 2001)
Cornus stolonifera (MONT; 1994)
Sedum lanceolatum (MONT; 1954)
Bryonia alba (RM; 2001)
Dipsacus laciniatus (MONTU; 2016)
Eleagnus commutata (MONT; 1985)
Shepherdia argentea (MONT, MONTU; 1985)
Shepherdia canadensis (MONTU, RM; 1983)
Arctostaphylos uva-ursi (MONT; 1968)
Euphorbia brachycera (RM; 1983)
Euphorbia esula (RM; 1976)
Euphorbia glyptosperma (MONT, OSC; 1981)
Euphorbia robusta (MONT; 1985)
Euphorbia serpens (MONT, MONTU; 1936)
Euphorbia serpillifolia (MONTU, RM; 1977)
ssp. serpillifolia (MONTU; 1977)
Euphorbia spathulata (MONT, MONTU, RM; 2001)
Astragalus adsurgens (MONT, MONTU; 1983)
Astragalus agrestis (MONTU, RM; 1980)
Astragalus aretioides (MONT; 1953)
Astragalus barrii (MONT, MONTU, NY; 1991)
Astragalus bisulcatus (MONT, RM, WTU; 1967)
Astragalus canadensis (MONT, RM; 2001)
var. mortonii (MONT; 1901)
Astragalus ceramicus (NY, RM; 1983)
var. filifolius (NY, RM; 1983)
Astragalus crassicarpus (MONT, MONTU; 1984)
Astragalus drummondii (MONT; 1985)
Astragalus eucosmus (NY; 1945)
Astragalus flexuosus (MONT, RM; 1977)
Astragalus gilviflorus (MONT; 1989)
var. gilviflorus (MONT; 1951)
Astragalus gracilis (MONT, MONTU; 1989)
Astragalus grayi (MONT, WTU; 1967)
Astragalus hyalinus (NY, RM; 1980)
Astragalus laxmannii (MONT, OSC, RM; 1983)
var. robustior (MONT, OSC, RM; 1983)
Astragalus miser (MONT, MONTU, RM; 1983)
var. decumbens (MONT, MONTU, RM; 1983)
var. praeteritus (MONT; 1954)
Astragalus missouriensis (MONT; 1952)
Astragalus plattensis (MONT; 1985)
Astragalus purshii (MONT; 1985)
Astragalus sericoleucus (MONT; 1953)
Astragalus spatulatus (MONT; 1953)
Astragalus tenellus (MONT, MONTU, RM; 1980)
Dalea candida (LEA, MONT; 1984)
Dalea enneandra (MONTU; 1999)
Dalea oligophylla (MONT, RM; 1980)
Dalea purpurea (MONT, OSC, RM; 1984)
Glycyrrhiza lepidota (MONT, OSC; 1984)
Hedysarum boreale (MONT; 1952)
Ladeania lanceolata (RM; 1983)
Lupinus arbustus (MONT; 1952)
Lupinus argenteus (ID, IDS, MONT, MONTU, RM; 1984)
ssp. spathulatus (MONTU; 1977)
var. argenteus (IDS, MONT, MONTU, RM; 1983)
var. depressus (RM; 1945)
Lupinus leucophyllus (MONT; 1916)
Lupinus polyphyllus (MONT, MONTU, RM, WTU; 2010)
var. humicola (MONTU, RM, WTU; 2010)
Lupinus pusillus (MONTU, WTU; 1977)
var. intermontanus (WTU; 1967)
Lupinus sericeus (MONT; 1954)
var. sericeus (MONT; 1954)
Medicago lupulina (MONT; 1975)
Medicago sativa (MONT; 1984)
Melilotus albus (MONT, RM; 1983)
Melilotus officinalis (MONTU; 1936)
Oxytropis besseyi (MONT, MONTU, RM; 1977)
var. besseyi (MONTU, RM; 1977)
Oxytropis campestris (MONT; 1952)
Oxytropis lagopus (MONT; 1951)
Oxytropis lambertii (MONT; 1952)
Oxytropis sericea (MONT, MONTU, RM; 1985)
var. sericea (MONTU, RM; 1977)
Pediomelum argophyllum (MONT; 1984)
Pediomelum esculentum (MONT; 1985)
Pediomelum tenuiflorum (MONT, MONTU, RM; 1993)
Tephrosia chrysophylla (MONT; 1975)
Thermopsis rhombifolia (MONT, RM; 1985)
Trifolium dasyphyllum (RM, WWB; 1945)
var. uintense (WWB; 1945)
Trifolium fragiferum (MONTU, RM; 2001)
Vicia americana (MONT, MONTU, RM; 1984)
var. americana (RM; 1983)
var. minor (MONTU, RM; 1983)
Frasera speciosa (MONT; 1954)
Erodium cicutarium (RM; 1983)
Geranium bicknellii (RM; 2001)
Geranium viscosissimum (MONT, RM; 1983)
Ribes americanum (MONTU, RM; 2001)
Ribes aureum (MONT, MONTU; 1985)
var. villosum (MONT; 1985)
Ribes cereum (MONT, WTU; 1960)
Ribes oxyacanthoides (MONT; 1968)
var. setosum (MONT; 1968)
Ellisia nyctelea (MONT; 1962)
Phacelia glandulosa (MONT; 1937)
var. deserta (MONT; 1937)
Phacelia hastata (MONT, MONTU; 1977)
var. hastata (MONT; 1953)
Phacelia linearis (MONT; 1984)
Hypericum perforatum (MONT; 1984)
Agastache urticifolia (ID, MONT; 1954)
Hedeoma drummondii (MONT, MONTU, RM; 1983)
Leonurus cardiaca (MONT; 2004)
Melissa officinalis (MONT; 1984)
Mentha canadensis (MONT, MONTU, RM, WTU; 1983)
Monarda fistulosa (MONT; 1968)
Nepeta cataria (MONT, RM; 2001)
Scutellaria galericulata (MONTU, RM; 1983)
Stachys palustris (MONT; 1969)
Linum compactum (MONT; 1952)
Linum lewisii (MONT, RM; 1984)
var. lewisii (RM; 1983)
Linum rigidum (MONT; 1984)
var. rigidum (MONT; 1952)
Mentzelia decapetala (MONT; 1954)
Mentzelia laevicaulis (MONTU; 1974)
Mentzelia nuda (MONT; 1952)
Mentzelia pumila (MONTU; 1982)
Abutilon theophrasti (MONT; 1961)
Malva parviflora (MONTU, RM; 2001)
Malva pusilla (RM; 1977)
Malva rotundifolia (MONT; 1961)
Sphaeralcea coccinea (MONT; 1984)
Claytonia rubra (RM; 1983)
Claytonia tuberosa (RM; 1983)
Lewisia rediviva (MONT; 1959)
Mirabilis linearis (ID, MONT, MONTU, WTU; 1980)
Fraxinus pennsylvanica (MONT; 1985)
Chamaenerion angustifolium (MONT, RM, WTU; 1983)
ssp. circumvagum (WTU; 1945)
Circaea alpina (RM; 1983)
Epilobium brachycarpum (MONT, RM, WTU; 2001)
Epilobium ciliatum (LEA, RM; 1983)
Oenothera albicaulis (MONT; 1984)
Oenothera biennis (OSC, RM, WTU; 1983)
Oenothera cespitosa (MONT, MONTU, RM; 1983)
ssp. marginata (RM; 1983)
Oenothera curtiflora (MONT, MONTU, RM; 2005)
Oenothera nuttallii (MONT; 1976)
Oenothera pallida (RM; 1983)
ssp. trichocalyx (RM; 1983)
Oenothera serrulata (ID, MONT, MONTU, RM; 1984)
Oenothera suffrutescens (MONT, OSC, SRP; 1984)
Aphyllon fasciculatum (MONT; 1953)
Aphyllon uniflorum (RM; 1983)
Castilleja angustifolia (MONTU; 1986)
Castilleja flava (MONT; 1940)
Castilleja linariifolia (OSC, SRP; 1945)
Castilleja sessiliflora (MONT; 1985)
Orthocarpus luteus (ID, MONT, MONTU, RM; 1984)
Pedicularis bracteosa (MONT; 1904)
Oxalis stricta (MONT; 2004)
Argemone polyanthemos (MONT; 1977)
Collinsia parviflora (RM; 1983)
Linaria vulgaris (MONT; 1901)
Penstemon albidus (MONT, MONTU; 1985)
Penstemon cristatus (MONT; 1950)
Penstemon cyaneus (NY; 1992)
Penstemon eriantherus (MONT, MONTU; 1985)
Penstemon glaber (MONTU, NY; 1994)
var. glaber (NY; 1994)
Penstemon laricifolius (MONT, NY, WTU; 1954)
var. laricifolius (NY; 1953)
Penstemon nitidus (MONT, NY, RM; 1985)
var. nitidus (NY; 1983)
Plantago aristata (MONT, RM; 1976)
Plantago elongata (MONT; 1952)
Plantago major (RM; 2001)
Plantago patagonica (MONT; 1984)
Synthyris wyomingensis (MONT, SRP; 1977)
Collomia linearis (MONT, RM; 2001)
Ipomopsis aggregata (MONT; 1950)
Ipomopsis congesta (MONT, MONTU; 1994)
ssp. congesta (MONTU; 1994)
Ipomopsis spicata (MONT, MONTU, RM; 1983)
ssp. orchidacea (MONT, MONTU; 1983)
Microsteris gracilis (MONT; 1950)
Phlox andicola (MONTU; 1999)
Phlox hoodii (MONT; 1985)
Phlox longifolia (MONT; 1973)
Polemonium viscosum (MONT; ?)
Polygala alba (MONT; 1976)
Bistorta bistortoides (MONT; 1954)
Eriogonum annuum (MONT, MONTU, RM; 2008)
Eriogonum cernuum (MONTU; 1980)
Eriogonum effusum (MONT; 1955)
Eriogonum flavum (MONT, MONTU, RM; 1994)
var. flavum (MONT, MONTU; 1994)
var. piperi (MONT, RM; 1983)
Eriogonum ovalifolium (MONT, MONTU, RM; 1999)
var. ochroleucum (MONTU, RM; 1999)
Eriogonum pauciflorum (MONT, MONTU, RM; 1985)
var. pauciflorum (MONT; 1950)
Eriogonum umbellatum (MONT; 1976)
var. dichrocephalum (MONT; 1976)
var. majus (MONT; 1953)
Fallopia convolvulus (MONT; 1954)
Persicaria amphibia (MONTU, RM; 1977)
Persicaria lapathifolia (MONTU; 1980)
Persicaria maculosa (MONT, RM; 2001)
Polygonum aviculare (MONT; 1950)
Polygonum douglasii (MONT, OSC; 1981)
Polygonum ramosissimum (MONTU; 1980)
Rumex acetosa (MONT; 1954)
Rumex acetosella (ID, WTU; 1954)
Rumex crispus (MONT; 1984)
Rumex venosus (MONT, RM; 1983)
Androsace occidentalis (MONT; 1984)
Dodecatheon conjugens (MONT; 1975)
Dodecatheon pulchellum (MONTU, RM; 1983)
var. pulchellum (MONTU, RM; 1983)
Lysimachia ciliata (MONT, RM; 1983)
Anemone cylindrica (MONTU, RM; 2001)
Anemone patens (MONT, MONTU, RM; 1983)
Ceratocephala testiculata (RM; 1983)
Clematis ligusticifolia (MONT, MONTU, RM; 1994)
Delphinium bicolor (MONT, MONTU, RM; 1985)
ssp. bicolor (MONTU, RM; 1983)
Delphinium geyeri (MONT; 1967)
Halerpestes cymbalaria (MONT; 1954)
Ranunculus aquatilis (MONT; 1994)
Ranunculus eschscholtzii (MONT; 1955)
Ranunculus glaberrimus (RM; 1977)
Ranunculus macounii (MONTU, RM; 1977)
Ranunculus pensylvanicus (MONTU, RM; 1983)
Ranunculus sceleratus (MONT, MONTU; 1980)
Ranunculus uncinatus (RM; 1983)
Thalictrum dasycarpum (MONT; 1954)
Thalictrum occidentale (RM; 1983)
Agrimonia gryposepala (MONTU, RM; 1999)
Agrimonia striata (MONT, MONTU, WTU; 1998)
Amelanchier alnifolia (MONT, MONTU, RM; 1983)
Cercocarpus ledifolius (MONT; 1953)
Crataegus chrysocarpa (MONT, MONTU; 1996)
Crataegus macracantha (MONT, MONTU; 1996)
var. nitens (MONT; 1996)
Dasiphora fruticosa (RM; 2001)
Drymocallis arguta (MONT, MONTU, RM; 2001)
Drymocallis glandulosa (MONT; 1954)
Fragaria virginiana (MONT, WTU; 1967)
Geum aleppicum (MONT, MONTU, RM; 1983)
Geum macrophyllum (RM; 1983)
Geum triflorum (MONT, RM, SRP; 1983)
Ivesia gordonii (MONT; 1937)
Kelseya uniflora (MONT; 1968)
Petrophytum caespitosum (MONT, MONTU; 1980)
Physocarpus malvaceus (MONTU; 1983)
Physocarpus monogynus (MONTU, RM; 1994)
Potentilla anserina (MONT; 1955)
Potentilla argentea (MONT; 1950)
Potentilla gracilis (MONT, RM; 1983)
var. gracilis (MONT; 1954)
var. pulcherrima (RM; 1983)
Potentilla norvegica (RM; 1983)
Potentilla pensylvanica (MONT; 1954)
Prunus americana (MONT; 1972)
Prunus virginiana (MONT, RM; 1985)
Rosa arkansana (MONT, RM; 2001)
f. setulosa (MONT; 1953)
Rosa woodsii (MONT; 1976)
Rubus idaeus (MONTU; 1994)
ssp. strigosus (MONTU; 1994)
Rubus parviflorus (MONTU, RM; 2001)
Rubus sachalinensis (RM; 1983)
var. sachalinensis (RM; 1983)
Sorbus scopulina (MONTU; 1994)
Spiraea lucida (MONT, RM; 1983)
Galium aparine (MONT, MONTU, RM; 1984)
Galium boreale (MONT, MONTU, RM; 1983)
Populus ×acuminata (ID, WTU; 1954)
Populus angustifolia (ID, MONT; 1954)
Populus deltoides (MONT, MONTU; 1985)
Salix amygdaloides (MONT, MONTU, RM, USFS; 1999)
Salix bebbiana (MONTU, RM; 1983)
Salix boothii (MONTU; 1983)
Salix exigua (MONT; 1975)
Salix famelica (USFS; 1941)
Salix interior (MONTU, RM; 1983)
Salix lutea (MONTU, RM; 2001)
Salix scouleriana (RM; 1983)
Arceuthobium campylopodum (MONT; 1972)
var. cyanocarpum (MONT; 1972)
Comandra umbellata (MONT, MONTU, RM; 1985)
ssp. pallida (MONT; 1953)
Acer glabrum (MONT, MONTU, RM; 1983)
var. glabrum (RM; 1983)
Acer negundo (MONT, MONTU, RM; 1983)
Sarcobatus vermiculatus (MONT, MONTU; 1984)
Heuchera parvifolia (MONT; 1954)
Lithophragma parviflorum (MONT, MONTU, RM; 1983)
Micranthes rhomboidea (MONT; 1937)
Sullivantia hapemanii (MONTU, RM; 1999)
var. hapemanii (MONTU; 1999)
Telesonix jamesii (MONTU; 1980)
Limosella aquatica (MONTU, RM; 1977)
Scrophularia lanceolata (MONT; 1952)
Verbascum thapsus (RM; 2001)
Lycium barbarum (ID, MONT, MONTU; 1977)
Physalis heterophylla (RM, WTU; 1983)
Physalis longifolia (MONT, MONTU; 1977)
var. longifolia (MONTU; 1977)
Solanum dulcamara (MONT, RM; 2004)
Solanum rostratum (MONT, MONTU; 1999)
Solanum triflorum (MONT, MONTU, RM; 1977)
Tamarix chinensis (MONT; 1977)
Tamarix ramosissima (MONT; 1971)
Parietaria pensylvanica (MONTU, RM; 1977)
Urtica dioica (MONT; 1962)
ssp. gracilis (MONT; 1962)
Verbena stricta (MONT; 1901)
Viola canadensis (MONT, RM; 1983)
Viola nuttallii (MONT, MONTU, RM; 1985)
Vitis riparia (MONT, MONTU; 1989)
MONOCOTS:
Sagittaria cuneata (MONT; 1901)
Allium brevistylum (MONTU; 1980)
Allium cernuum (MONT; 1937)
Allium geyeri (RM; 1983)
var. geyeri (RM; 1983)
Allium textile (MONT, MONTU, RM; 1985)
Leucocrinum montanum (MONT, RM; 1985)
Maianthemum racemosum (RM; 1983)
ssp. amplexicaule (RM; 1983)
Maianthemum stellatum (MONT; 1985)
Yucca glauca (MONT, RM; 1977)
Tradescantia occidentalis (MONT, RM; 1984)
Carex arcta (MONTU; 1994)
Carex atherodes (MONTU; 1980)
Carex brevior (MONT, RM; 2001)
Carex douglasii (MONT; 1982)
Carex duriuscula (MONTU; 2001)
Carex filifolia (MONT; 1984)
Carex gravida (MONTU, RM; 2001)
Carex hoodii (MONTU, RM; 2001)
Carex hystericina (MONTU, RM; 1983)
Carex inops (MONT, RM; 1983)
ssp. heliophila (MONT, RM; 1983)
Carex interior (MONTU; 1983)
Carex lasiocarpa (RM; 1983)
Carex microptera (RM; 1983)
Carex nebrascensis (MONT; 1994)
Carex pellita (ID; 1983)
Carex rossii (RM; 2001)
Carex saximontana (MONTU; 2001)
Carex scirpoidea (MONTU, RM; 2001)
ssp. scirpoidea (MONTU, RM; 2001)
Carex sprengelii (RM; 1983)
Carex stipata (MONTU; 1999)
Carex torreyi (MONTU; 2001)
Carex vallicola (MONTU; 2001)
Carex viridula (MONTU, RM; 1983)
ssp. viridula (RM; 1983)
Carex vulpinoidea (MONTU, RM; 2001)
Eleocharis palustris (MONT; 1954)
Schoenoplectus americanus (OSC, RM; 1981)
Schoenoplectus pungens (MONT, RM; 2001)
Schoenoplectus tabernaemontani (MONT, MONTU, RM; 1984)
Scirpus pallidus (MONT, MONTU, RM; 1983)
Sisyrinchium montanum (MONT, RM; 2001)
Juncus articulatus (RM; 2001)
Juncus bufonius (MONTU, RM; 1977)
Juncus compressus (MONTU; 1999)
Juncus confusus (MONT; 1954)
Juncus dudleyi (MONTU, RM; 1983)
Juncus ensifolius (MONT, MONTU, RM; 1983)
Juncus longistylis (MONTU, RM; 1983)
Juncus nodosus (MONTU, RM; 2001)
Juncus regelii (ID; 1954)
Juncus torreyi (MONT, MONTU, RM; 1983)
Triglochin maritima (MONT; 1957)
Calochortus gunnisonii (MONT; 1979)
Calochortus nuttallii (ID, MONT, MONTU, RM, WS; 1984)
Erythronium grandiflorum (MONT; 1973)
Fritillaria pudica (MONT; 1975)
Prosartes hookeri (MONT; 1976)
Anticlea elegans (MONT, MONTU, RM; 1983)
Toxicoscordion venenosum (MONT; 1985)
Corallorhiza striata (RM; 1983)
var. striata (RM; 1983)
Cypripedium montanum (MONTU; 1994)
Cypripedium parviflorum (RM; 1994)
var. pubescens (RM; 1994)
Platanthera dilatata (RM; 1983)
var. dilatata (RM; 1983)
Achnatherum hymenoides (MONT; 1938)
Achnatherum lettermanii (MONT; 1953)
Achnatherum nelsonii (MONT, MONTU, RM; 1983)
ssp. dorei (MONT, RM; 1983)
Agropyron cristatum (MONT; 1984)
Agrostis scabra (MONT; 1937)
Agrostis stolonifera (RM; 1983)
Alopecurus aequalis (MONT; 1954)
Alopecurus carolinianus (MONTU; 1980)
Andropogon gerardii (ID, MONT, MONTU, RM, WTU; 1983)
ssp. hallii (MONTU, RM; 1977)
Aristida purpurea (ID, MONT, OSC, WTU; 1984)
var. fendleriana (ID, MONT, WTU; 1954)
var. longiseta (MONT; 1984)
Beckmannia syzigachne (MONT, MONTU; 1993)
Bouteloua curtipendula (LEA, MONT, OSC, RM; 1984)
Bouteloua gracilis (MONT; 1984)
Bromus anomalus (ID, MONT; 1955)
Bromus commutatus (ID, RM; 1983)
Bromus inermis (LEA, MONT; 1984)
Bromus japonicus (MONT, MONTU; 1984)
Bromus porteri (MONTU, RM; 1955)
Bromus secalinus (RM; 1926)
Bromus sitchensis (ID, MONT; 1955)
var. carinatus (ID, MONT; 1955)
Bromus tectorum (MONT, RM; 1984)
Calamagrostis montanensis (MONT; 1984)
Calamovilfa longifolia (MONT, MONTU, RM; 1984)
Catabrosa aquatica (MONTU; 1999)
Cinna latifolia (ID, MONTU, RM; 1999)
Dactylis glomerata (MONT, RM; 1983)
Danthonia californica (MONT, MONTU; 1999)
Danthonia unispicata (MONT, RM; 2001)
Dichanthelium acuminatum (MONTU; 1998)
Diplachne fusca (MONTU; 1999)
ssp. fascicularis (MONTU; 1999)
Distichlis spicata (OSC; 1981)
Echinochloa crus-galli (MONT, MONTU; 1980)
×Elyhordeum macounii (MONTU, RM; 1977)
Elymus canadensis (MONT, MONTU, OSC, RM; 1983)
Elymus elymoides (ID, MONT, MONTU, RM; 1967)
var. elymoides (RM; 1955)
Elymus lanceolatus (MONT, RM; 1984)
ssp. lanceolatus (MONT; 1984)
var. lanceolatus (RM; 1976)
Elymus repens (MONT; 1984)
Elymus trachycaulus (MONT, RM; 1983)
ssp. trachycaulus (MONT, RM; 1983)
Elymus villosus (RM; 2001)
Elymus virginicus (MONTU, RM; 1983)
Eragrostis cilianensis (USFS; 1922)
Eragrostis hypnoides (MONTU; 1999)
Festuca idahoensis (ID, MONT; 1955)
Festuca rubra (MONT; 1999)
Glyceria grandis (MONTU, RM; 1977)
Glyceria striata (MONTU; 1983)
Hesperostipa comata (ID, MONT, RM; 1985)
ssp. comata (RM; 1983)
Hordeum jubatum (MONT, MONTU, RM; 2001)
ssp. intermedium (RM; 2001)
Hordeum vulgare (MONTU, RM; 1977)
Koeleria macrantha (MONT, RM; 1985)
Leersia oryzoides (RM; 2001)
Leucopoa kingii (BOIS, MONT, MONTU; 1994)
Leymus cinereus (MONT, RM; 1983)
Lolium persicum (MONT; 1998)
Melica bulbosa (MONT; 1953)
Melica spectabilis (MONT; 1966)
Melica subulata (RM; 1983)
Muhlenbergia asperifolia (ID, MONT, WTU; 1954)
Muhlenbergia cuspidata (MONT, MONTU, OSC, USFS; 2001)
Muhlenbergia mexicana (USFS; 2001)
Muhlenbergia racemosa (MONT, MONTU; 1999)
Munroa squarrosa (MONTU; 1977)
Nassella viridula (ID, MONT, RM; 1985)
Panicum capillare (MONT, MONTU, RM; 2001)
Pascopyrum smithii (ID, MONT; 1984)
Phalaris arundinacea (ID, MONTU, RM; 1983)
Phleum pratense (RM; 1983)
Poa annua (MONTU; 1999)
Poa arida (RM; 1983)
Poa bulbosa (MONTU, RM; 1983)
Poa compressa (MONT; 1984)
Poa cusickii (MONT; 1951)
Poa fendleriana (MONT, RM; 1983)
Poa interior (MONT, RM; 1983)
Poa palustris (MONT, MONTU, RM; 1983)
Poa pratensis (MONT, MONTU; 1984)
Poa secunda (ID, MONT, RM; 1985)
ssp. juncifolia (ID, MONT, RM; 1955)
ssp. secunda (MONT; 1985)
Psathyrostachys juncea (MONT; 2007)
Pseudoroegnaria spicata (ID; 1983)
Pseudoroegneria spicata (MONT, RM; 1984)
Schedonnardus paniculatus (MONT, MONTU, OSC, RM; 1981)
Schizachyrium scoparium (MONT, MONTU, RM; 1983)
var. scoparium (RM; 1983)
Setaria italica (MONT; 2004)
Setaria pumila (MONTU; 1936)
Setaria verticillata (ID, MONT, WTU; 1954)
Setaria viridis (MONT, MONTU, RM; 1977)
Spartina gracilis (ID, MONT; 1955)
Spartina pectinata (MONT, MONTU, OSC, RM; 2001)
Sphenopholis obtusata (RM; 2001)
Sporobolus airoides (MONT, MONTU, RM; 1984)
Sporobolus compositus (OSC, SRP; 2013)
Sporobolus cryptandrus (MONT, MONTU, OSC, RM; 1981)
Sporobolus neglectus (MONT; 1941)
Thinopyrum intermedium (MONT, MONTU; 2001)
ssp. barbulatum (MONT; 1976)
Thinopyrum ponticum (RM; 2001)
Torreyochloa pallida (RM; 1983)
var. pauciflora (RM; 1983)
Triticum aestivum (MONT; 1984)
Ventenata dubia (RM; 2007)
Vulpia octoflora (MONTU, RM; 1983)
var. octoflora (MONTU; 1977)
Potamogeton nodosus (MONTU, RM; 1977)
Potamogeton richardsonii (MONTU, RM; 1977)
Stuckenia pectinata (MONTU, RM; 1977)
Zannichellia palustris (MONTU, RM; 1977)
Smilax herbacea (MONT, RM; 1983)
Smilax lasioneura (MONTU; 1994)