Vascular Plants of Stillwater County, Montana

Generated from PNW Herbaria database
November 28, 2020.

88 family names
429 genus names
1,376 species/infraspecies names
(names highlighted in brown could not be resolved to an accepted name)

{an additional 828 species/infraspecies are to be expected based on presence in one of these adjacent counties: Carbon, Sweet Grass; these names are colored gray and enclosed in braces}

Index to Families:

Ferns:
A, C, D, E, I, L, O, P, S, W
Gymnosperms:
C, P
Dicots:
A, B, C, D, E, F, G, H, L, M, N, O, P, R, S, T, U, V, Z
Monocots:
A, C, H, I, J, L, M, O, P, T

FERNS:

Aspleniaceae: Asplenium
Athyriaceae: Athyrium
Cystopteridaceae: Cystopteris
Dennstaedtiaceae: Pteridium
Dryopteridaceae: Dryopteris, Polystichum
Equisetaceae: Equisetum
Isoetaceae: Isoetes
Lycopodiaceae: Huperzia, Spinulum
Ophioglossaceae: Botrychium, Botrypus
Pteridaceae: Cryptogramma, Myriopteris, Pellaea
Selaginellaceae: Selaginella
Woodsiaceae: Woodsia

GYMNOSPERMS:

Cupressaceae: Juniperus
Pinaceae: Abies, Picea, Pinus, Pseudotsuga

DICOTS:

Acanthaceae: Carlowrightia
Adoxaceae: Adoxa, Sambucus
Amaranthaceae: Amaranthus, Atriplex, Bassia, Blitum, Chenopodium, Corispermum, Dysphania, Grayia, Halogeton, Krascheninnikovia, Oxybasis, Salicornia, Salsola, Suaeda
Anacardiaceae: Rhus, Toxicodendron
Apiaceae: Angelica, Berula, Bupleurum, Carum, Cicuta, Conium, Cymopterus, Heracleum, Lomatium, Musineon, Osmorhiza, Pastinaca, Perideridia, Sanicula, Shoshonea
Apocynaceae: Apocynum, Asclepias
Asteraceae: Achillea, Agoseris, Ambrosia, Anaphalis, Antennaria, Anthemis, Arctium, Arnica, Artemisia, Askellia, Aster, Balsamorhiza, Bidens, Brickellia, Canadanthus, Carduus, Carthamus, Centaurea, Chaenactis, Chrysothamnus, Cichorium, Cirsium, Cnicus, Conyza, Cota, Crepis, Cyclachaena, Dieteria, Dyssodia, Ericameria, Erigeron, Eriophyllum, Eucephalus, Eurybia, Euthamia, Eutrochium, Filago, Gaillardia, Gnaphalium, Grindelia, Gutierrezia, Helianthella, Helianthus, Herrickia, Heterotheca, Hieracium, Hulsea, Hymenopappus, Iva, Lactuca, Leucanthemum, Liatris, Lorandersonia, Lygodesmia, Machaeranthera, Malacothrix, Matricaria, Microseris, Nothocalais, Onopordum, Oreostemma, Packera, Petasites, Picradeniopsis, Platyschkuhria, Podospermum, Pseudognaphalium, Psilostrophe, Pyrrocoma, Ratibida, Rhaponticum, Rudbeckia, Scabrethia, Senecio, Solidago, Sonchus, Stenotus, Stephanomeria, Symphyotrichum, Tanacetum, Taraxacum, Tephroseris, Tetradymia, Tetraneuris, Thelesperma, Townsendia, Tragopogon, Xanthisma, Xanthium, Xylorhiza
Basellaceae: Anredera
Berberidaceae: Mahonia
Betulaceae: Alnus, Betula
Boraginaceae: Anchusa, Asperugo, Buglossoides, Cryptantha, Cynoglossum, Echium, Eritrichium, Eritrichum, Hackelia, Lappula, Lithospermum, Mertensia, Myosotis, Onosmodium, Oreocarya, Plagiobothrys
Brassicaceae: Alyssum, Arabis, Barbarea, Berteroa, Boechera, Camelina, Capsella, Cardamine, Chorispora, Conringia, Descurainia, Draba, Erysimum, Hesperidanthus, Hesperis, Hornungia, Isatis, Lepidium, Nasturtium, Noccaea, Physaria, Raphanus, Rorippa, Sinapis, Sisymbrium, Smelowskia, Stanleya, Streptanthella, Strigosella, Thelypodium, Thlaspi, Turritis
Cactaceae: Coryphantha, Opuntia
Campanulaceae: Campanula, Triodanis
Cannabaceae: Humulus
Caprifoliaceae: Lonicera, Symphoricarpos
Caryophyllaceae: Agrostemma, Arenaria, Cerastium, Cherleria, Eremogone, Gypsophila, Moehringia, Paronychia, Sabulina, Sagina, Saponaria, Scleranthus, Silene, Spergularia, Stellaria, Vaccaria
Celastraceae: Parnassia
Ceratophyllaceae: Ceratophyllum
Cleomaceae: Peritoma, Polanisia
Convolvulaceae: Calystegia, Convolvulus, Cuscuta, Evolvulus
Cornaceae: Cornus
Crassulaceae: Rhodiola, Sedum
Cucurbitaceae: Bryonia
Dipsacaceae: Dipsacus, Knautia
Elaeagnaceae: Elaeagnus, Eleagnus, Shepherdia
Ericaceae: Arctostaphylos, Cassiope, Chimaphila, Gaultheria, Kalmia, Moneses, Monotropa, Orthilia, Phyllodoce, Pterospora, Pyrola, Rhododendron, Vaccinium
Euphorbiaceae: Euphorbia
Fabaceae: Acmispon, Astragalus, Caragana, Dalea, Glycyrrhiza, Hedysarum, Ladeania, Lathyrus, Lotus, Lupinus, Medicago, Melilotus, Onobrychis, Oxytropis, Pediomelum, Petalostemon, Securigera, Sphaerophysa, Thermopsis, Trifolium, Vicia
Gentianaceae: Comastoma, Frasera, Gentiana, Gentianella, Gentianopsis, Swertia
Geraniaceae: Erodium, Geranium
Grossulariaceae: Ribes
Haloragaceae: Myriophyllum
Hydrangeaceae: Philadelphus
Hydrophyllaceae: Ellisia, Hydrophyllum, Nemophila, Phacelia
Hypericaceae: Hypericum
Lamiaceae: Agastache, Brunella, Dracocephalum, Glechoma, Hedeoma, Lycopus, Marrubium, Mentha, Monarda, Nepeta, Prunella, Salvia, Scutellaria, Stachys
Lentibulariaceae: Utricularia
Linaceae: Linum
Linnaeaceae: Linnaea
Loasaceae: Mentzelia
Lythraceae: Lythrum
Malvaceae: Hibiscus, Iliamna, Malva, Sphaeralcea
Melastomataceae: Arthrostemma
Menyanthaceae: Menyanthes
Montiaceae: Calyptridium, Claytonia, Lewisia, Montia
Namaceae: Nama
Nyctaginaceae: Abronia, Mirabilis, Tripterocalyx
Nymphaeaceae: Nuphar
Oleaceae: Fraxinus, Syringa
Onagraceae: Camissonia, Chamaenerion, Chylismia, Circaea, Epilobium, Eremothera, Gayophytum, Neoholmgrenia, Oenothera, Taraxia
Orobanchaceae: Agalinis, Aphyllon, Castilleja, Melampyrum, Orthocarpus, Pedicularis
Oxalidaceae: Oxalis
Papaveraceae: Corydalis, Fumaria, Glaucium, Macleaya, Papaver
Phrymaceae: Erythranthe
Plantaginaceae: Callitriche, Collinsia, Hippuris, Linaria, Penstemon, Plantago, Synthyris, Veronica
Polemoniaceae: Aliciella, Collomia, Gilia, Ipomopsis, Leptosiphon, Linanthus, Microsteris, Navarretia, Phlox, Polemonium
Polygonaceae: Bistorta, Eriogonum, Fallopia, Koenigia, Oxyria, Persicaria, Polygonum, Rumex, Stenogonum
Portulacaceae: Portulaca
Primulaceae: Androsace, Dodecatheon, Douglasia, Lysimachia, Primula
Ranunculaceae: Actaea, Anemone, Aquilegia, Caltha, Ceratocephala, Clematis, Delphinium, Halerpestes, Ranunculus, Thalictrum, Trollius
Rhamnaceae: Ceanothus
Rosaceae: Agrimonia, Amelanchier, Cercocarpus, Chamaerhodos, Comarum, Crataegus, Dasiphora, Dryas, Drymocallis, Fragaria, Geum, Ivesia, Kelseya, Malus, Petrophytum, Physocarpus, Potentilla, Poterium, Prunus, Purshia, Rosa, Rubus, Sibbaldia, Sorbus, Spiraea
Rubiaceae: Galium
Salicaceae: Populus, Salix
Santalaceae: Arceuthobium, Comandra
Sapindaceae: Acer
Sarcobataceae: Sarcobatus
Saxifragaceae: Conimitella, Heuchera, Lithophragma, Micranthes, Ozomelis, Pectiantia, Saxifraga, Sullivantia, Telesonix
Scrophulariaceae: Verbascum
Solanaceae: Hyoscyamus, Nicotiana, Physalis, Solanum
Tamaricaceae: Tamarix
Ulmaceae: Ulmus
Urticaceae: Parietaria, Urtica
Valerianaceae: Valeriana
Verbenaceae: Verbena
Violaceae: Viola
Vitaceae: Parthenocissus, Vitis
Zygophyllaceae: Tribulus

MONOCOTS:

Alismataceae: Alisma, Sagittaria
Amaryllidaceae: Allium
Araceae: Lemna
Asparagaceae: Asparagus, Leucocrinum, Maianthemum, Triteleia, Yucca
Asphodelaceae: Hemerocallis
Cyperaceae: Bolboschoenus, Bulbostylis, Carex, Cyperus, Eleocharis, Eriophorum, Fuirena, Kobresia, Lipocarpha, Schoenoplectus, Scirpus
Hydrocharitaceae: Elodea
Iridaceae: Iris, Sisyrinchium
Juncaceae: Juncus, Luzula
Juncaginaceae: Triglochin
Liliaceae: Calochortus, Erythronium, Fritillaria, Lilium, Lloydia, Prosartes, Streptopus
Melanthiaceae: Anticlea, Toxicoscordion, Veratrum
Orchidaceae: Calypso, Corallorhiza, Cypripedium, Dactylorhiza, Epipactis, Goodyera, Neottia, Platanthera, Spiranthes
Poaceae: Achnatherum, Aegilops, Agropyron, Agrostis, Alopecurus, Andropogon, Apera, Aristida, Avena, Avenula, Beckmannia, Bouteloua, Bromus, Calamagrostis, Calamovilfa, Catabrosa, Cinna, Dactylis, Danthonia, Deschampsia, Dichanthelium, Digitaria, Distichlis, Echinochloa, Elyhordeum, Elymus, Eragrostis, Eremopyrum, Eriochloa, Festuca, Glyceria, Graphephorum, Hesperostipa, Hierochloe, Hordeum, Koeleria, Leucopoa, Leymus, Melica, Muhlenbergia, Munroa, Nassella, Oryzopsis, Panicum, Pascopyrum, Phalaris, Phippsia, Phleum, Phragmites, Piptatheropsis, Poa, Podagrostis, Polypogon, Psathyrostachys, Pseudoroegneria, Puccinellia, Schedonnardus, Schedonorus, Secale, Setaria, Spartina, Sphenopholis, Sporobolus, Thinopyrum, Torreyochloa, Trisetum, Triticum, Vahlodea, Vulpia
Potamogetonaceae: Potamogeton, Stuckenia, Zannichellia
Typhaceae: Sparganium, Typha


FERNS:

ASPLENIACEAE:
Asplenium
{Asplenium viride}

ATHYRIACEAE:
Athyrium
{Athyrium distentifolium}
{ssp. americanum}
Athyrium filix-femina (RM, USFS; 2007)
ssp. californicum (USFS; 2007)
{ssp. cyclosorum}

CYSTOPTERIDACEAE:
Cystopteris
Cystopteris fragilis (MONT, MONTU, RM, USFS; 2008)

DENNSTAEDTIACEAE:
Pteridium
Pteridium aquilinum (RM; 1991)

DRYOPTERIDACEAE:
Dryopteris
{Dryopteris carthusiana}
{Dryopteris expansa}
{Dryopteris filix-mas}
Polystichum
{Polystichum kruckebergii}
{Polystichum lonchitis}

EQUISETACEAE:
Equisetum
Equisetum arvense (MONT, RM, USFS; 2007)
{Equisetum ×ferrissii}
{Equisetum hyemale}
{ssp. affine}
Equisetum laevigatum (MONT, RM, USFS; 2007)
Equisetum sylvaticum (MONTU; 1999)
{Equisetum variegatum}
{ssp. variegatum}

ISOETACEAE:
Isoetes
{Isoetes bolanderi}
{Isoetes howellii}

LYCOPODIACEAE:
Huperzia
Huperzia selago (MONT; ?)
Spinulum
Spinulum annotinum (MONT; 1923)

OPHIOGLOSSACEAE:
Botrychium
{Botrychium ascendens}
{Botrychium hesperium}
{Botrychium lanceolatum}
{Botrychium minganense}
Botrychium neolunaria (RM; 1992)
{Botrychium paradoxum}
Botrychium simplex (RM; 1996)
{var. simplex}
{Botrychium tunux}
Botrypus
Botrypus virginianus (MONT; 1980)

PTERIDACEAE:
Cryptogramma
Cryptogramma acrostichoides (MONT, MONTU, RM, USFS; 2008)
Myriopteris
Myriopteris gracilis (RM, USFS; 2007)
Pellaea
{Pellaea breweri}
Pellaea glabella (RM; 2008)
ssp. occidentalis (RM; 2008)

SELAGINELLACEAE:
Selaginella
Selaginella densa (MONT, RM, USFS; 2008)
{Selaginella scopulorum}
{Selaginella wallacei}
{Selaginella watsonii}

WOODSIACEAE:
Woodsia
Woodsia oregana (RM; 1991)
Woodsia scopulina (MONT, MONTU, RM, USFS; 2007)


GYMNOSPERMS:

CUPRESSACEAE:
Juniperus
Juniperus communis (MONT, RM, USFS; 2008)
var. depressa (RM, USFS; 2008)
{var. saxatilis}
{Juniperus ×fassettii}
Juniperus horizontalis (ID, MONT, MONTU, NY, OSC, RM, USFS, WTU; 2008)
Juniperus osteosperma (WCW; 1970)
Juniperus scopulorum (MONT, MONTU, OSC, RM, USFS; 2007)

PINACEAE:
Abies
Abies lasiocarpa (MONT, RM, USFS; 2008)
ssp. bifolia (RM, USFS; 2008)
Picea
Picea ×albertiana (RM; 2007)
Picea engelmannii (MONT, RM; 2008)
var. engelmannii (RM; 2008)
Pinus
Pinus albicaulis (RM; 2008)
Pinus aristata (WCW; 1970)
Pinus contorta (RM, USFS; 2008)
var. latifolia (RM, USFS; 2008)
{var. murrayana}
Pinus flexilis (MONT, RM, USFS; 2008)
{Pinus monticola}
Pinus ponderosa (MONT, RM, USFS, WCW; 2007)
var. scopulorum (RM, USFS; 2007)
Pseudotsuga
Pseudotsuga menziesii (MONT, RM, USFS, WCW; 2007)
var. glauca (RM, USFS; 2007)


DICOTS:

ACANTHACEAE:
Carlowrightia
{Carlowrightia linearifolia}

ADOXACEAE:
Adoxa
Adoxa moschatellina (MONT; 1923)
Sambucus
Sambucus nigra (USFS; 2007)
ssp. canadensis (USFS; 2007)
Sambucus racemosa (MONT, MONTU, RM; 2008)
{var. leucocarpa}
var. melanocarpa (RM; 2008)
var. microbotrys (MONT; 1923)

AMARANTHACEAE:
Amaranthus
Amaranthus albus (MONT; 1957)
{Amaranthus blitoides}
{Amaranthus powellii}
{Amaranthus retroflexus}
Atriplex
{Atriplex argentea}
{var. argentea}
{Atriplex canescens}
{Atriplex confertifolia}
{Atriplex gardneri}
{var. falcata}
{var. gardneri}
Atriplex heterosperma (MONT; 1966)
{Atriplex micrantha}
Atriplex patula (MONT; 1966)
{Atriplex powellii}
Bassia
Bassia hyssopifolia (MONT; 1966)
{Bassia scoparia}
Blitum
{Blitum capitatum}
{Blitum hastatum}
Blitum nuttallianum (MONT, RM; 2007)
Chenopodium
{Chenopodium album}
{Chenopodium atrovirens}
Chenopodium berlandieri (MONT; 1914)
{var. zschackei}
Chenopodium fremontii (MONT; ?)
{Chenopodium leptophyllum}
{Chenopodium pratericola}
Corispermum
{Corispermum villosum}
Dysphania
{Dysphania botrys}
Grayia
{Grayia spinosa}
Halogeton
{Halogeton glomeratus}
Krascheninnikovia
{Krascheninnikovia lanata}
Oxybasis
{Oxybasis glauca}
{ssp. glauca}
{ssp. salina}
{Oxybasis rubra}
{var. rubra}
Salicornia
Salicornia rubra (MONT; 1966)
Salsola
{Salsola tragus}
Suaeda
Suaeda calceoliformis (MONT, MONTU; 2010)
{Suaeda nigra}
Suaeda occidentalis (MONT; 1966)

ANACARDIACEAE:
Rhus
Rhus aromatica (MONT, MONTU, RM, USFS; 2007)
var. aromatica (MONT, RM, USFS; 2007)
Toxicodendron
Toxicodendron radicans (MONT, RM; 2007)
var. rydbergii (MONT, RM; 2007)

APIACEAE:
Angelica
Angelica arguta (RM, USFS; 2007)
{Angelica roseana}
Berula
Berula incisa (RM; 1993)
Bupleurum
Bupleurum americanum (MONT, RM; 2008)
Carum
Carum carvi (RM, USFS; 2007)
Cicuta
{Cicuta douglasii}
Cicuta maculata (RM; 1993)
var. angustifolia (RM; 1993)
Conium
Conium maculatum (MONT, RM; 1992)
Cymopterus
{Cymopterus foeniculaceus}
Cymopterus glomeratus (MONT; 1914)
{Cymopterus hendersonii}
Cymopterus nivalis (MONT; 1959)
{Cymopterus terebinthinus}
Heracleum
Heracleum maximum (RM, USFS; 2008)
Lomatium
Lomatium cous (MONT, RM, USFS, WTU; 2007)
Lomatium dissectum (MONT; 1923)
Lomatium foeniculaceum (MONT, RM, USFS, WTU; 1999)
var. foeniculaceum (RM, WTU; 1999)
{Lomatium linearifolium}
{Lomatium macrocarpum}
Lomatium multifidum (RM, USFS; 2007)
Lomatium orientale (MONT, RM; 1999)
Lomatium simplex (RM, USFS; 2007)
Lomatium triternatum (MONT; 1923)
Musineon
Musineon divaricatum (ID, MONT, RM, WTU; 2007)
{var. divaricatum}
{var. hookeri}
Musineon vaginatum (MONT, MONTU, RM, USFS; 2007)
Osmorhiza
Osmorhiza berteroi (MONT, USFS; 2007)
Osmorhiza depauperata (MONT, RM; 2008)
Osmorhiza longistylis (MONT, RM; 1996)
{Osmorhiza purpurea}
Pastinaca
{Pastinaca sativa}
Perideridia
Perideridia montana (MONT, USFS; 2007)
Sanicula
{Sanicula graveolens}
Sanicula marilandica (MONT, RM; 1991)
Shoshonea
{Shoshonea pulvinata}

APOCYNACEAE:
Apocynum
Apocynum androsaemifolium (MONT, MONTU, RM, USFS; 2007)
Apocynum cannabinum (MONT, RM; 1993)
Asclepias
{Asclepias incarnata}
{Asclepias speciosa}
Asclepias viridiflora (MONT; 1923)

ASTERACEAE:
Achillea
Achillea millefolium (MONT, MONTU, RM, USFS, WCW; 2008)
Achillea ptarmica (MONT; 1984)
Agoseris
{Agoseris ×agrestis}
Agoseris aurantiaca (MONT, RM, WTU; 2008)
{var. aurantiaca}
var. carnea (MONT, RM; 2008)
{var. purpurea}
Agoseris glauca (MONT, MONTU, OSC, RM, USFS, WTU; 2008)
var. dasycephala (MONT, OSC, RM, USFS, WTU; 2008)
var. glauca (MONTU; 1940)
Agoseris parviflora (RM; 2007)
Ambrosia
{Ambrosia tomentosa}
{Ambrosia trifida}
Anaphalis
Anaphalis margaritacea (MONT, MONTU, RM, USFS; 2007)
Antennaria
Antennaria alpina (MONTU; 1983)
Antennaria anaphaloides (RM, USFS; 2007)
Antennaria aromatica (MONTU, RM; 1992)
Antennaria corymbosa (MONT, RM; 1996)
Antennaria dimorpha (MONT; 1918)
Antennaria howellii (MONT, RM, USFS; 2007)
ssp. howellii (RM, USFS; 2007)
Antennaria lanata (MONTU, RM; 2008)
Antennaria luzuloides (MONT; 1922)
ssp. luzuloides (MONT; 1922)
Antennaria media (RM; 2008)
Antennaria microphylla (MONT, MONTU, RM, USFS; 2008)
Antennaria monocephala (MONTU; 1986)
Antennaria neglecta (MONT; 1996)
Antennaria parvifolia (MONT, RM, USFS; 2007)
{Antennaria pulcherrima}
Antennaria racemosa (MONT, MONTU, RM; 1994)
Antennaria umbrinella (MONT, RM, USFS; 2008)
Anthemis
Anthemis cotula (MONT; ?)
Arctium
Arctium minus (RM, WCW; 2007)
Arnica
Arnica chamissonis (RM; 2008)
Arnica cordifolia (MONT, MONTU, RM, USFS, WCW; 2008)
Arnica fulgens (MONT, MONTU, RM, USFS; 2008)
Arnica gracilis (RM; 1996)
Arnica lanceolata (USFS; 2007)
ssp. prima (USFS; 2007)
Arnica latifolia (MONT, OSC, RM, SRP, WTU; 2008)
Arnica longifolia (MONT, OSC, SRP, WTU; 1945)
Arnica mollis (RM, WTU; 1996)
{Arnica ovata}
{Arnica parryi}
{Arnica rydbergii}
Arnica sororia (MONT, RM, USFS; 2007)
Artemisia
{Artemisia absinthium}
{Artemisia arbuscula}
{Artemisia biennis}
Artemisia campestris (MONT, RM; 2008)
var. borealis (RM; 2008)
{var. caudata}
var. scouleriana (RM; 1996)
Artemisia cana (MONT, MONTU, RM; 2008)
ssp. cana (MONTU, RM; 2008)
{ssp. viscidula}
{Artemisia capitata}
Artemisia dracunculus (OSC; 1976)
Artemisia frigida (MONT, MONTU, RM; 1996)
{Artemisia longifolia}
Artemisia ludoviciana (MONT, RM, USFS; 2007)
ssp. incompta (MONT, RM, USFS; 2007)
{ssp. ludoviciana}
Artemisia michauxiana (RM, USFS; 2008)
{Artemisia nova}
{Artemisia pedatifida}
Artemisia scopulorum (MONTU, RM, WTU; 2008)
{Artemisia spinescens}
{Artemisia tilesii}
Artemisia tridentata (MONT, MONTU, RM; 1992)
{ssp. tridentata}
ssp. vaseyana (RM; 1992)
ssp. wyomingensis (MONTU; 1973)
Askellia
Askellia elegans (MONTU, USFS; 2008)
Aster
Aster foliaceus × Aster hendersonii (WTU; 1945)
Aster oregonus (MONT; 1916)
Balsamorhiza
Balsamorhiza incana (MONT, RM, USFS; 1999)
Balsamorhiza sagittata (MONT, RM, USFS; 2007)
{Balsamorhiza ×tomentosa}
Bidens
{Bidens aurea}
Bidens cernua (MONT; 1914)
Bidens vulgata (MONT; 1996)
Brickellia
Brickellia eupatorioides (MONT; 1923)
{var. eupatorioides}
Brickellia grandiflora (MONT, RM, USFS; 2007)
Canadanthus
{Canadanthus modestus}
Carduus
{Carduus acanthoides}
Carduus nutans (MONT, RM; 2008)
Carthamus
{Carthamus tinctorius}
Centaurea
{Centaurea diffusa}
Centaurea stoebe (MONT, RM, USFS; 2008)
ssp. australis (MONT, RM, USFS; 2008)
Chaenactis
Chaenactis douglasii (MONT, MONTU, RM, USFS; 2008)
var. alpina (MONTU, RM; 2008)
var. douglasii (RM, USFS; 2007)
Chrysothamnus
Chrysothamnus viscidiflorus (MONT; 1917)
ssp. lanceolatus (MONT; 1917)
{ssp. viscidiflorus}
Cichorium
{Cichorium intybus}
Cirsium
Cirsium arvense (MONTU, RM, USFS; 2007)
{Cirsium canescens}
{Cirsium cymosum}
{var. canovirens}
Cirsium eatonii (RM, USFS; 2008)
{var. eatonii}
var. murdockii (RM, USFS; 2008)
{Cirsium flodmanii}
{Cirsium hookerianum}
{Cirsium inamoenum}
{var. davisii}
{Cirsium pulcherrimum}
{Cirsium scariosum}
Cirsium undulatum (MONT, RM; 2007)
Cirsium vulgare (USFS, WCW; 2007)
Cnicus
Cnicus arvensis (MONT; ?)
Conyza
{Conyza canadensis}
Cota
{Cota tinctoria}
Crepis
Crepis acuminata (MONT, MONTU, RM; 1999)
Crepis atribarba (RM; 1994)
Crepis intermedia (RM; 1991)
Crepis modocensis (MONT, RM, USFS; 2007)
var. modocensis (RM, USFS; 2007)
Crepis occidentalis (MONT, RM; 2007)
Crepis runcinata (MONT, MONTU, RM; 2007)
ssp. runcinata (MONTU, RM; 2007)
var. runcinata (MONT, RM; 2007)
Crepis tomentulosa (WCW; 1970)
Cyclachaena
Cyclachaena xanthiifolia (MONT; 1917)
Dieteria
Dieteria canescens (MONT; 1917)
{var. canescens}
Dyssodia
{Dyssodia papposa}
Ericameria
{Ericameria linearis}
Ericameria nauseosa (MONT, MONTU; 1940)
var. graveolens (MONTU; 1940)
{var. nauseosa}
{var. oreophila}
var. speciosa (MONT; 1918)
Erigeron
Erigeron acris (MONT; 1923)
var. kamtschaticus (MONT; 1923)
{Erigeron allocotus}
Erigeron caespitosus (MONT, RM, USFS; 2008)
Erigeron compositus (MONT, MONTU, RM, USFS, WTU; 2008)
Erigeron concinnus (MONT; 1914)
Erigeron corymbosus (RM; 1984)
Erigeron divergens (MONT, RM; 2007)
Erigeron eatonii (WTU; 1945)
var. eatonii (WTU; 1945)
Erigeron engelmannii (WCW; 1970)
{Erigeron flabellifolius}
Erigeron glabellus (MONT, MONTU, RM; 1992)
var. glabellus (MONT, MONTU, RM; 1992)
Erigeron glacialis (RM; 2008)
var. glacialis (RM; 2008)
{Erigeron gracilis}
Erigeron grandiflorus (MONT, RM, WTU; 2008)
{Erigeron humilis}
{Erigeron linearis}
{Erigeron lonchophyllus}
{Erigeron nivalis}
Erigeron ochroleucus (MONT, MONTU, RM, USFS; 2008)
{Erigeron parryi}
{Erigeron peregrinus}
Erigeron pumilus (ID, MONTU, RM; 1999)
{var. intermedius}
var. pumilus (RM; 1999)
{Erigeron radicatus}
Erigeron rydbergii (MONT, RM; 1996)
Erigeron speciosus (MONT, MONTU; 1937)
Erigeron strigosus (MONT, USFS; 2007)
var. septentrionalis (USFS; 2007)
{var. strigosus}
Erigeron subtrinervis (WCW; 1970)
Erigeron ursinus (RM, WTU; 1996)
{Erigeron vetensis}
Eriophyllum
Eriophyllum lanatum (MONT; 1914)
var. integrifolium (MONT; 1914)
Eucephalus
{Eucephalus elegans}
{Eucephalus engelmannii}
Eurybia
{Eurybia compacta}
Eurybia conspicua (MONT, RM, USFS; 2007)
Eurybia integrifolia (MONT; 1920)
Eurybia merita (RM; 1996)
{Eurybia sibirica}
Euthamia
Euthamia occidentalis (MONT; 1920)
Eutrochium
{Eutrochium maculatum}
{var. bruneri}
Filago
Filago arvensis (RM, USFS; 2008)
Gaillardia
Gaillardia aristata (MONT, MONTU, RM, USFS; 2008)
Gnaphalium
{Gnaphalium palustre}
Grindelia
Grindelia hirsutula (RM; 1992)
{Grindelia squarrosa}
Gutierrezia
{Gutierrezia sarothrae}
Helianthella
Helianthella quinquenervis (OSC, RM, SRP, WTU; 1945)
Helianthella uniflora (WCW; 1970)
{var. douglasii}
Helianthus
Helianthus annuus (MONT; 1914)
{Helianthus maximiliani}
Helianthus nuttallii (MONT; 1917)
{Helianthus pauciflorus}
{ssp. subrhomboideus}
Helianthus petiolaris (MONT, RM; 1984)
Herrickia
{Herrickia glauca}
{var. glauca}
Heterotheca
Heterotheca fulcrata (USFS; 2007)
{Heterotheca pumila}
Heterotheca villosa (MONT, MONTU, RM, USFS, WTU; 2007)
{var. foliosa}
var. minor (MONTU, WTU; 1975)
var. nana (MONT; 1984)
var. villosa (RM, USFS; 2007)
Hieracium
Hieracium albiflorum (MONT, RM, USFS; 2008)
{Hieracium aurantiacum}
Hieracium caespitosum (MONTU; 2016)
Hieracium scouleri (MONT, USFS; 2007)
Hieracium triste (MONT, RM; 2008)
Hieracium umbellatum (MONT, RM, USFS; 2007)
Hulsea
Hulsea algida (MONTU, RM; 2008)
Hymenopappus
Hymenopappus filifolius (MONT, RM, WS; 1974)
{var. filifolius}
{var. idahoensis}
{var. luteus}
var. polycephalus (MONT, RM, WS; 1974)
Iva
Iva axillaris (MONT; 1954)
Lactuca
Lactuca serriola (MONT; 1914)
Lactuca tatarica (MONT, MONTU, RM; 1996)
ssp. pulchella (MONT, MONTU, RM; 1996)
Leucanthemum
{Leucanthemum vulgare}
Liatris
{Liatris ligulistylis}
Liatris punctata (MONT, MONTU, OSC; 1976)
{var. punctata}
Lorandersonia
{Lorandersonia linifolia}
Lygodesmia
Lygodesmia grandiflora (WCW; 1970)
Lygodesmia juncea (MONT; 1958)
Machaeranthera
{Machaeranthera tanacetifolia}
Malacothrix
{Malacothrix sonchoides}
{Malacothrix torreyi}
Matricaria
Matricaria discoidea (MONT, MONTU, RM; 1996)
Microseris
Microseris nutans (MONT, RM, USFS; 2007)
Nothocalais
Nothocalais cuspidata (MONT; 1918)
Nothocalais nigrescens (MONT, RM; 2008)
Nothocalais troximoides (MONT; 1914)
Onopordum
{Onopordum acanthium}
Oreostemma
Oreostemma alpigenum (MONT, RM, WTU; 2008)
var. haydenii (MONT, RM, WTU; 2008)
Packera
Packera cana (MONT, MONTU, RM, USFS, WTU; 2008)
{Packera crocata}
{Packera cymbalaria}
Packera dimorphophylla (RM; 1992)
var. dimorphophylla (RM; 1992)
{var. paysonii}
Packera indecora (RM; 1993)
Packera paupercula (MONT, MONTU, RM; 1994)
{Packera plattensis}
Packera pseudaurea (MONT, OSC, RM, SRP, WTU; 1991)
var. pseudaurea (MONT, OSC, WTU; 1945)
Packera streptanthifolia (MONTU, RM; 1992)
Packera subnuda (MONT, RM; 1996)
var. subnuda (MONT; 1922)
Packera werneriifolia (RM; 2008)
Petasites
Petasites frigidus (MONT, RM; 1993)
var. sagittatus (MONT, RM; 1993)
Picradeniopsis
Picradeniopsis oppositifolia (MONT; 1914)
Platyschkuhria
{Platyschkuhria integrifolia}
Podospermum
Podospermum laciniatum (MONTU; 2011)
Pseudognaphalium
Pseudognaphalium stramineum (MONT; 1918)
Psilostrophe
Psilostrophe tagetina (WCW; 1970)
Pyrrocoma
{Pyrrocoma carthamoides}
{var. subsquarrosa}
Pyrrocoma uniflora (WCW; 1970)
{var. uniflora}
Ratibida
Ratibida columnifera (MONT, MONTU, RM, WTU; 1993)
Rhaponticum
{Rhaponticum repens}
Rudbeckia
Rudbeckia laciniata (RM, USFS, WCW; 2007)
var. ampla (RM, USFS; 2007)
Scabrethia
{Scabrethia scabra}
{ssp. scabra}
Senecio
{Senecio amplectens}
{var. holmii}
Senecio crassulus (RM, WTU; 2008)
Senecio fremontii (MONT, RM, WTU; 2008)
var. fremontii (RM; 2008)
Senecio integerrimus (MONT, MONTU, RM; 2008)
var. exaltatus (MONT, MONTU, RM; 2008)
var. integerrimus (RM; 1999)
var. ochroleucus (MONT; 1922)
{var. scribneri}
Senecio lugens (RM, WTU; 1992)
Senecio serra (RM; 2007)
var. serra (RM; 2007)
Senecio sphaerocephalus (RM; 1992)
Senecio triangularis (MONT, RM; 2008)
{Senecio vulgaris}
Solidago
{Solidago altissima}
{ssp. gilvocanescens}
{Solidago ×bartramiana}
Solidago canadensis (MONT, RM; 1973)
Solidago elongata (MONT; 1920)
Solidago gigantea (MONT; 1923)
Solidago glutinosa (WTU; 1955)
var. glutinosa (WTU; 1955)
Solidago lepida (MONTU; 1940)
var. salebrosa (MONTU; 1940)
Solidago missouriensis (MONT, MONTU, USFS, WCW; 2007)
Solidago mollis (MONT, MONTU; 1994)
Solidago multiradiata (MONT, OSC, RM, WTU; 2008)
Solidago nana (WTU; 1955)
Solidago rigida (MONT, MONTU; 1999)
{ssp. humilis}
Solidago simplex (MONT, RM; 2008)
var. simplex (MONT, RM; 2008)
Solidago velutina (MONT; 1980)
ssp. sparsiflora (MONT; 1980)
Sonchus
{Sonchus arvensis}
{ssp. uliginosus}
{Sonchus asper}
Stenotus
Stenotus acaulis (MONT, RM; 1979)
Stenotus armerioides (MONT; 1923)
var. armerioides (MONT; 1923)
{Stenotus lanuginosus}
Stephanomeria
{Stephanomeria runcinata}
Stephanomeria tenuifolia (MONT; 1917)
Symphyotrichum
Symphyotrichum ascendens (MONT, MONTU; 1937)
Symphyotrichum boreale (MONTU; 1999)
{Symphyotrichum bracteolatum}
{Symphyotrichum ciliatum}
{Symphyotrichum ciliolatum}
{Symphyotrichum drummondii}
Symphyotrichum ericoides (MONT, MONTU, RM; 2011)
{var. ericoides}
var. pansum (RM; 1979)
{Symphyotrichum falcatum}
Symphyotrichum foliaceum (OSC, RM, SRP, WTU; 1996)
Symphyotrichum laeve (MONT; 1920)
var. geyeri (MONT; 1920)
{var. laeve}
Symphyotrichum lanceolatum (MONT, MONTU, RM; 1996)
var. hesperium (MONT, MONTU, RM; 1996)
{Symphyotrichum molle}
Symphyotrichum spathulatum (RM; 1992)
Symphyotrichum subspicatum (USFS; 2007)
Tanacetum
Tanacetum vulgare (RM; 1992)
Taraxacum
Taraxacum ceratophorum (RM; 1996)
Taraxacum erythrospermum (RM; 2007)
Taraxacum officinale (MONT, USFS, WCW; 2007)
Taraxacum scopulorum (RM; 2008)
Tephroseris
Tephroseris lindstroemii (MONT, MONTU, RM; 2008)
Tetradymia
{Tetradymia canescens}
{Tetradymia spinosa}
Tetraneuris
Tetraneuris acaulis (MONT, RM; 1999)
var. acaulis (RM; 1999)
{var. caespitosa}
{Tetraneuris torreyana}
Thelesperma
{Thelesperma subnudum}
Townsendia
{Townsendia exscapa}
Townsendia hookeri (MONT; 1922)
{Townsendia incana}
Townsendia parryi (ID, MONT, MONTU, RM, WS, WTU; 2007)
{Townsendia spathulata}
Tragopogon
Tragopogon dubius (RM, USFS; 2007)
Tragopogon porrifolius (MONT; 1914)
{Tragopogon pratensis}
Xanthisma
{Xanthisma grindelioides}
{var. grindelioides}
Xanthium
{Xanthium strumarium}
Xylorhiza
{Xylorhiza glabriuscula}

BASELLACEAE:
Anredera
Anredera cordifolia (MONT; 1914)

BERBERIDACEAE:
Mahonia
{Mahonia aquifolium}
Mahonia repens (MONT, RM, USFS; 2007)

BETULACEAE:
Alnus
Alnus incana (MONT, RM, USFS; 2007)
ssp. tenuifolia (RM, USFS; 2007)
Alnus viridis (RM, USFS; 2008)
ssp. crispa (RM; 1992)
{ssp. fruticosa}
ssp. sinuata (RM, USFS; 2008)
Betula
{Betula glandulosa}
{Betula nana}
Betula occidentalis (MONT, RM, USFS; 2007)

BORAGINACEAE:
Anchusa
Anchusa officinalis (MONT; 1999)
Asperugo
Asperugo procumbens (RM; 1999)
Buglossoides
Buglossoides arvensis (RM, USFS; 2008)
Cryptantha
{Cryptantha affinis}
Cryptantha ambigua (MONT, RM; 2007)
Cryptantha glomerata (MONT; 1918)
{Cryptantha kelseyana}
{Cryptantha minima}
{Cryptantha scoparia}
Cryptantha torreyana (MONT; 1923)
Cryptantha watsonii (RM; 1991)
Cynoglossum
Cynoglossum officinale (RM, USFS; 2008)
Echium
{Echium vulgare}
Eritrichium
Eritrichium argenteum (MONT, RM; 1996)
Eritrichium howardii (RM; 1992)
Eritrichum
Eritrichum howardii (RM; 2007)
Eritrichum nanum (RM; 2008)
var. elongatum (RM; 2008)
Hackelia
{Hackelia cinerea}
{Hackelia deflexa}
Hackelia floribunda (RM, WCW; 1992)
Hackelia micrantha (USFS; 2007)
{Hackelia patens}
{var. patens}
Lappula
{Lappula cenchrusoides}
{Lappula fremontii}
{var. fremontii}
{Lappula montana}
Lappula occidentalis (MONT, RM, USFS; 2008)
var. occidentalis (RM, USFS; 2008)
Lappula redowskii (MONT, MONTU, USFS; 2007)
var. cupulata (USFS; 2007)
Lappula squarrosa (RM; 1999)
Lithospermum
Lithospermum incisum (MONT, RM; 1999)
Lithospermum ruderale (MONT, RM, USFS; 2007)
Mertensia
{Mertensia arizonica}
Mertensia ciliata (MONT, MONTU, RM, USFS, WCW, WTU; 2007)
var. ciliata (RM, USFS; 2007)
var. subpubescens (MONT; 1920)
Mertensia foliosa (MONT, MONTU; 1937)
{Mertensia longiflora}
Mertensia oblongifolia (MONT, MONTU, RM, USFS, WCW; 2007)
Mertensia tweedyi (OSC, RM, WTU; 2008)
Myosotis
Myosotis alpestris (MONTU, WTU; 1945)
{Myosotis arvensis}
Myosotis asiatica (MONT, OSC, RM, USFS; 2008)
Myosotis micrantha (MONT, RM; 1991)
Myosotis scorpioides (RM; 1999)
Myosotis sylvatica (MONTU, WCW; 1970)
Onosmodium
Onosmodium bejariense (MONT; 1889)
Oreocarya
{Oreocarya cana}
{Oreocarya flavoculata}
Oreocarya fulvocanescens (WCW; 1970)
Oreocarya glomerata (MONT, MONTU, RM, USFS; 2008)
Oreocarya sobolifera (MONTU; 1987)
{Oreocarya spiculifera}
{Oreocarya thyrsiflora}
Plagiobothrys
{Plagiobothrys hispidulus}
{Plagiobothrys scouleri}

BRASSICACEAE:
Alyssum
Alyssum alyssoides (MONT, MONTU, RM, USFS; 2008)
Alyssum desertorum (MONT; 2001)
Alyssum simplex (RM; 2008)
Arabis
Arabis eschscholtziana (RM; 1991)
Arabis hirsuta (MONT; 1919)
Arabis nuttallii (MONT, USFS; 2007)
{Arabis pycnocarpa}
{var. pycnocarpa}
Barbarea
Barbarea orthoceras (MONT; 1912)
Barbarea vulgaris (MONT, RM; 1999)
Berteroa
Berteroa incana (RM, USFS; 2007)
Boechera
Boechera collinsii (RM; 2007)
{Boechera divaricarpa}
Boechera grahamii (MONT, RM; 1996)
Boechera holboellii (MONT; 1924)
{Boechera languida}
{Boechera lemmonii}
{Boechera lignifera}
Boechera lyallii (WTU; 1945)
{Boechera macounii}
{Boechera microphylla}
{Boechera oxylobula}
Boechera pauciflora (RM; 1999)
{Boechera paupercula}
{Boechera pendulocarpa}
Boechera retrofracta (RM; 2008)
Boechera sparsiflora (RM; 1992)
Boechera stricta (MONT, RM, WTU; 2008)
Camelina
Camelina microcarpa (MONT, RM, USFS; 2008)
Camelina sativa (MONT; 1923)
Capsella
Capsella bursa-pastoris (MONT, MONTU, RM, USFS; 2008)
Cardamine
Cardamine breweri (MONT, RM; 1994)
{Cardamine oligosperma}
Cardamine pensylvanica (MONT; 1918)
Chorispora
Chorispora tenella (MONT; 1962)
Conringia
Conringia orientalis (MONT, RM; 1999)
Descurainia
Descurainia incana (MONTU, RM; 2016)
{Descurainia incisa}
{ssp. incisa}
Descurainia longepedicellata (RM; 1999)
{Descurainia nelsonii}
Descurainia pinnata (RM, USFS; 2007)
ssp. brachycarpa (RM, USFS; 2007)
ssp. halictorum (RM; 1999)
Descurainia sophia (MONT, MONTU, RM, USFS; 2007)
Draba
Draba albertina (RM, WTU; 1994)
Draba aurea (USFS; 2007)
{Draba calcifuga}
Draba cana (RM; 2008)
Draba crassa (RM; 2008)
Draba crassifolia (MONT, RM; 2008)
Draba fladnizensis (RM; 1996)
{Draba globosa}
Draba incerta (MONTU, RM, USFS, WTU; 2008)
{Draba lanceolata}
{Draba lonchocarpa}
Draba nemorosa (MONT, RM, USFS; 2008)
{Draba novolympica}
Draba oligosperma (MONT, RM, WTU; 2008)
{Draba paysonii}
{Draba porsildii}
{Draba praealta}
{Draba reptans}
Erysimum
Erysimum asperum (MONT, RM, WCW; 2008)
Erysimum capitatum (MONT; 1919)
var. capitatum (MONT; 1919)
{var. purshii}
Erysimum cheiranthoides (MONT, RM; 1992)
Erysimum inconspicuum (MONT, RM; 2008)
Erysimum repandum (RM; 2007)
Hesperidanthus
{Hesperidanthus linearifolius}
Hesperis
Hesperis matronalis (RM; 2007)
Hornungia
{Hornungia procumbens}
Isatis
Isatis tinctoria (MONT; 1995)
Lepidium
{Lepidium appelianum}
Lepidium campestre (RM, USFS; 2007)
Lepidium chalepense (MONT; 1957)
Lepidium densiflorum (MONT, RM, USFS; 2007)
Lepidium draba (MONT; 1962)
Lepidium perfoliatum (MONT, RM; 1992)
Nasturtium
{Nasturtium microphyllum}
Nasturtium officinale (MONT, USFS, WCW; 2007)
Noccaea
{Noccaea fendleri}
{ssp. glauca}
{Noccaea parviflora}
Physaria
{Physaria acutifolia}
{Physaria alpina}
{Physaria arenosa}
Physaria brassicoides (RM; 1999)
Physaria didymocarpa (MONT, MONTU, RM; 2007)
ssp. didymocarpa (MONT, RM; 1993)
ssp. lanata (RM; 2007)
{Physaria lesicii}
{Physaria ludoviciana}
{Physaria pachyphylla}
{Physaria pycnantha}
{Physaria reediana}
{Physaria saximontana}
{ssp. dentata}
Physaria spatulata (MONT, RM; 1993)
Raphanus
Raphanus raphanistrum (MONT; 1918)
Rorippa
{Rorippa alpina}
Rorippa curvipes (MONTU; 1990)
{Rorippa curvisiliqua}
Rorippa palustris (MONT; 1914)
{ssp. hispida}
{Rorippa sinuata}
{Rorippa tenerrima}
Sinapis
Sinapis alba (RM; 1999)
Sinapis arvensis (RM; 2008)
Sisymbrium
Sisymbrium altissimum (MONT, RM, USFS; 2008)
{Sisymbrium linifolium}
Sisymbrium loeselii (MONTU, RM; 2014)
Smelowskia
Smelowskia americana (MONTU, RM, WTU; 2008)
Stanleya
{Stanleya pinnata}
{var. integrifolia}
{var. pinnata}
{Stanleya tomentosa}
Streptanthella
{Streptanthella longirostris}
Strigosella
{Strigosella africana}
Thelypodium
{Thelypodium integrifolium}
Thlaspi
Thlaspi arvense (MONT, MONTU, RM, USFS; 2008)
Turritis
Turritis glabra (MONT, RM; 1994)

CACTACEAE:
Coryphantha
Coryphantha missouriensis (RM; 2007)
var. missouriensis (RM; 2007)
Opuntia
Opuntia fragilis (MONT; 1918)
Opuntia polyacantha (MONT, RM; 2007)
var. polyacantha (RM; 2007)

CAMPANULACEAE:
Campanula
{Campanula petiolata}
Campanula rotundifolia (HPSU, MONT, MONTU, OSC, RM, USFS, WTU; 2008)
ssp. petiolata (HPSU, OSC, WTU; 1945)
Campanula uniflora (RM; 2008)
Triodanis
Triodanis leptocarpa (MONT, WCW; 1970)
Triodanis perfoliata (MONT, RM; 1991)

CANNABACEAE:
Humulus
Humulus lupulus (RM; 2008)
var. neomexicanus (RM; 2008)

CAPRIFOLIACEAE:
Lonicera
{Lonicera cauriana}
{Lonicera morrowii}
Lonicera tatarica (RM; 1999)
{Lonicera utahensis}
Symphoricarpos
Symphoricarpos albus (MONT; 1923)
{var. albus}
{var. laevigatus}
Symphoricarpos occidentalis (MONT, MONTU, RM, USFS; 2007)
Symphoricarpos rotundifolius (USFS; 2007)
{var. oreophilus}
var. vaccinioides (USFS; 2007)

CARYOPHYLLACEAE:
Agrostemma
Agrostemma githago (MONT; 1923)
Arenaria
Arenaria serpyllifolia (RM; 2007)
var. serpyllifolia (RM; 2007)
Cerastium
Cerastium arvense (MONT, MONTU, RM, USFS; 2007)
{ssp. arvense}
ssp. strictum (MONT, RM, USFS; 2007)
Cerastium beeringianum (MONTU, RM, USFS; 2008)
{Cerastium brachypodum}
Cerastium fontanum (MONTU, RM, USFS; 2007)
ssp. vulgare (RM, USFS; 2007)
Cerastium nutans (MONT; 1922)
{var. nutans}
Cherleria
{Cherleria biflora}
Cherleria obtusiloba (MONT, MONTU, RM, WTU; 2008)
Eremogone
{Eremogone capillaris}
{var. americana}
Eremogone congesta (MONT, RM, USFS, WTU; 2008)
{var. cephaloidea}
var. congesta (RM; 2008)
var. lithophila (RM, USFS; 2007)
{var. subcongesta}
Eremogone hookeri (MONT, MONTU, RM; 1999)
var. hookeri (RM; 1999)
var. pinetorum (RM; 1999)
Gypsophila
{Gypsophila scorzonerifolia}
Moehringia
Moehringia lateriflora (MONT, RM, USFS; 2007)
Paronychia
Paronychia sessiliflora (MONT, RM, USFS; 2007)
Sabulina
Sabulina austromontana (RM; 1987)
Sabulina nuttallii (MONT, RM, USFS; 2008)
var. nuttallii (RM, USFS; 2008)
Sabulina rubella (RM; 1992)
Sagina
Sagina nivalis (MONTU; 1984)
Sagina saginoides (MONTU; 1973)
Saponaria
{Saponaria officinalis}
Scleranthus
{Scleranthus annuus}
Silene
Silene acaulis (MONT, RM; 2008)
Silene antirrhina (MONT, RM; 2007)
Silene csereii (MONTU, USFS; 2016)
{Silene dioica}
Silene drummondii (MONT, RM; 2007)
ssp. drummondii (RM; 2007)
{ssp. striata}
{Silene hitchguirei}
Silene latifolia (RM, USFS; 2008)
Silene menziesii (MONT, RM; 1992)
Silene noctiflora (MONT, MONTU; 2016)
Silene parryi (OSC, RM, WTU; 2008)
Silene vulgaris (RM; 1994)
Spergularia
{Spergularia rubra}
Stellaria
{Stellaria borealis}
{ssp. sitchana}
{Stellaria calycantha}
{Stellaria crispa}
{Stellaria graminea}
Stellaria longifolia (MONT, RM; 1993)
Stellaria longipes (MONTU, RM; 2008)
ssp. altocaulis (MONTU; 1988)
ssp. longipes (RM; 2008)
Stellaria media (MONT, RM, USFS; 1994)
{Stellaria obtusa}
{Stellaria umbellata}
Vaccaria
Vaccaria hispanica (MONT; 1923)

CELASTRACEAE:
Parnassia
Parnassia fimbriata (MONT, MONTU, RM, USFS, WTU; 2008)
{Parnassia kotzebuei}
Parnassia palustris (USFS; 2007)
{Parnassia parviflora}

CERATOPHYLLACEAE:
Ceratophyllum
{Ceratophyllum demersum}

CLEOMACEAE:
Peritoma
{Peritoma lutea}
{Peritoma serrulata}
Polanisia
Polanisia dodecandra (MONT; 1922)
{ssp. dodecandra}
ssp. trachysperma (MONT; 1922)

CONVOLVULACEAE:
Calystegia
Calystegia sepium (MONT; 1914)
Convolvulus
Convolvulus arvensis (RM, USFS; 2008)
Cuscuta
Cuscuta coryli (MONT; ?)
{Cuscuta indecora}
Evolvulus
Evolvulus nuttallianus (MONT, OSC; 1976)

CORNACEAE:
Cornus
Cornus canadensis (MONT; 1923)
Cornus sericea (RM, USFS; 2007)
var. sericea (RM, USFS; 2007)
Cornus stolonifera (MONT, MONTU; 1940)

CRASSULACEAE:
Rhodiola
Rhodiola integrifolia (MONT, RM; 2008)
ssp. integrifolia (RM; 2008)
Rhodiola rhodantha (MONT, MONTU, RM; 1999)
Rhodiola rosea (MONTU; 1973)
Sedum
{Sedum acre}
Sedum lanceolatum (MONT, RM; 2008)
Sedum stenopetalum (WCW; 1970)

CUCURBITACEAE:
Bryonia
{Bryonia alba}

DIPSACACEAE:
Dipsacus
{Dipsacus fullonum}
Knautia
{Knautia arvensis}

ELAEAGNACEAE:
Elaeagnus
{Elaeagnus angustifolia}
{Elaeagnus commutata}
Eleagnus
Eleagnus commutata (MONT; ?)
Shepherdia
Shepherdia argentea (MONT, RM; 1999)
Shepherdia canadensis (MONT, RM, USFS; 2008)

ERICACEAE:
Arctostaphylos
Arctostaphylos uva-ursi (MONT, MONTU, RM, USFS; 2008)
Cassiope
{Cassiope mertensiana}
{ssp. gracilis}
Chimaphila
Chimaphila umbellata (MONT, RM, USFS; 2007)
ssp. umbellata (RM, USFS; 2007)
Gaultheria
Gaultheria humifusa (MONTU, RM; 1996)
Kalmia
Kalmia microphylla (MONT, RM; 2008)
{var. microphylla}
Moneses
Moneses uniflora (RM; 1994)
Monotropa
Monotropa hypopitys (MONT, RM; 2008)
{Monotropa uniflora}
Orthilia
Orthilia secunda (RM, USFS; 2007)
Phyllodoce
Phyllodoce empetriformis (RM, WTU; 1992)
Phyllodoce glanduliflora (MONT, RM, WTU; 2008)
Phyllodoce ×intermedia (WTU; 1945)
Pterospora
Pterospora andromedea (MONT, RM, USFS; 2007)
Pyrola
Pyrola asarifolia (MONT, MONTU, RM, USFS; 2007)
ssp. asarifolia (MONT, MONTU, RM, USFS; 2007)
Pyrola chlorantha (MONTU, RM; 2008)
Pyrola dentata (WTU; 1955)
Pyrola elliptica (MONT, RM, USFS; 2007)
Pyrola minor (RM, WTU; 1996)
{Pyrola rotundifolia}
Rhododendron
Rhododendron columbianum (RM; 2008)
Vaccinium
Vaccinium membranaceum (MONT, RM; 2008)
{Vaccinium myrtillus}
Vaccinium scoparium (RM; 2008)
{Vaccinium uliginosum}

EUPHORBIACEAE:
Euphorbia
{Euphorbia agraria}
{Euphorbia brachycera}
Euphorbia cyparissias (MONT; 1959)
Euphorbia esula (RM; 2008)
Euphorbia glyptosperma (MONTU, RM; 2007)
Euphorbia robusta (MONT; 1955)
{Euphorbia serpillifolia}
Euphorbia spathulata (MONT; 1918)
Euphorbia virgata (MONT, MONTU, WCW; 2008)

FABACEAE:
Acmispon
{Acmispon americanus}
Astragalus
Astragalus adsurgens (MONT; 1923)
Astragalus agrestis (MONT, RM; 1999)
Astragalus alpinus (NY, OSC, RM, USFS, WTU; 2007)
var. alpinus (NY, USFS; 2007)
Astragalus americanus (RM; 1994)
{Astragalus aretioides}
Astragalus australis (MONT, RM, USFS; 2008)
var. glabriusculus (MONT, RM, USFS; 2008)
{Astragalus barrii}
Astragalus bisulcatus (MONT, MONTU; 1903)
{var. bisulcatus}
{Astragalus bourgovii}
Astragalus canadensis (MONT, RM; 1992)
var. canadensis (RM; 1992)
var. mortonii (MONT; 1923)
{Astragalus chamaeleuce}
Astragalus cibarius (MONT; 1918)
Astragalus cicer (MONT, RM; 1998)
Astragalus crassicarpus (MONT, RM, USFS; 2007)
var. crassicarpus (MONT; 1923)
var. paysonii (RM, USFS; 2007)
{Astragalus douglasii}
{var. parishii}
Astragalus drummondii (MONT, NY, RM, USFS; 2007)
Astragalus eucosmus (MONT, RM; 1991)
Astragalus flexuosus (IDS, MONT, MONTU, NY, RM, USFS, WTU; 2007)
var. flexuosus (MONT, NY, RM, USFS, WTU; 2007)
Astragalus foliolosus (MONT; 1918)
var. sericea (MONT; 1918)
{Astragalus geyeri}
{var. geyeri}
Astragalus gilviflorus (MONT, RM, USFS; 2007)
var. gilviflorus (MONT, RM, USFS; 2007)
{Astragalus gracilis}
{Astragalus grayi}
{Astragalus hyalinus}
{Astragalus inflexus}
Astragalus kentrophyta (NY, OSC, RM, WTU; 1945)
{var. kentrophyta}
var. tegetarius (NY, OSC, RM, WTU; 1945)
Astragalus laxmannii (MONT, RM, USFS; 2007)
var. robustior (MONT, RM, USFS; 2007)
{Astragalus lotiflorus}
Astragalus miser (MONT, NY, RM, USFS, WTU; 2007)
var. decumbens (MONT, RM, WTU; 2007)
var. hylophilus (NY, RM, USFS; 2007)
{var. praeteritus}
{var. serotinus}
Astragalus missouriensis (MONT, RM; 1999)
var. missouriensis (RM; 1999)
{Astragalus oreganus}
Astragalus pauciflorus (MONT; 1923)
Astragalus purshii (MONT; ?)
{var. purshii}
{Astragalus shortianus}
Astragalus spatulatus (MONT; 1922)
{Astragalus tenellus}
Astragalus vexilliflexus (MONT, NY, RM, USFS; 2007)
var. vexilliflexus (NY, RM, USFS; 2007)
Caragana
{Caragana arborescens}
Dalea
Dalea candida (MONT, OSC, RM; 2011)
Dalea oligophylla (RM; 1999)
Dalea purpurea (MONT, NY, RM, WTU; 1992)
var. purpurea (MONT, NY; 1973)
Glycyrrhiza
Glycyrrhiza lepidota (MONT, RM, USFS; 2007)
Hedysarum
Hedysarum boreale (MONT, RM; 1999)
var. boreale (RM; 1999)
Hedysarum sulphurescens (MONT, RM, USFS; 2008)
Ladeania
Ladeania lanceolata (OSC; 1976)
Lathyrus
{Lathyrus tuberosus}
Lotus
Lotus corniculatus (RM; 2007)
Lupinus
Lupinus arbustus (WTU; 1945)
Lupinus argenteus (MONT, MONTU, RM, USFS, WCW; 2008)
{ssp. spathulatus}
var. argenteus (MONT, MONTU, RM, USFS; 2008)
var. depressus (RM; 1945)
{var. holosericeus}
var. parviflorus (MONTU, USFS, WCW; 2007)
var. rubricaulis (USFS; 2007)
Lupinus caudatus (RM; 1984)
var. argophyllus (RM; 1984)
{Lupinus leucophyllus}
{var. leucophyllus}
Lupinus polyphyllus (MONT, RM; 1999)
var. humicola (MONT, RM; 1999)
{var. polyphyllus}
var. prunophilus (MONT; 1914)
{Lupinus pusillus}
Lupinus sericeus (ID, MONT, RM, USFS; 2007)
var. sericeus (MONT; 1922)
Medicago
Medicago lupulina (MONT, RM, USFS; 2007)
Medicago polymorpha (MONT; 1922)
Medicago sativa (RM, USFS; 2007)
ssp. falcata (RM; 1984)
Melilotus
Melilotus albus (MONT, RM; 1996)
Melilotus officinalis (RM, USFS; 2008)
Onobrychis
Onobrychis viciifolia (MONT, RM; 1994)
Oxytropis
Oxytropis albiflorus (WTU; 1945)
Oxytropis besseyi (MONT, MONTU, RM, USFS; 2007)
var. argophylla (RM; 2007)
var. besseyi (MONTU, RM; 1999)
{var. fallax}
var. ventosa (RM, USFS; 2007)
Oxytropis borealis (OSC, RM, WTU; 1945)
var. viscida (RM, WTU; 1945)
Oxytropis campestris (RM; 2008)
var. cusickii (RM; 2008)
var. spicata (RM; 1992)
Oxytropis deflexa (MONT; 1922)
var. sericea (MONT; 1922)
Oxytropis lagopus (MONT, RM, USFS; 2007)
var. atropurpurea (USFS; 2007)
var. lagopus (RM; 1993)
{Oxytropis lambertii}
Oxytropis sericea (MONT, RM, USFS; 2007)
var. sericea (RM, USFS; 2007)
{var. speciosa}
{Oxytropis splendens}
Pediomelum
Pediomelum esculentum (MONT, RM; 1999)
Pediomelum tenuiflorum (ID, IDS, MONT, OSC, RM, USFS, WTU; 2011)
Petalostemon
Petalostemon purpureum (MONT; 1914)
var. molle (MONT; 1914)
Securigera
{Securigera varia}
Sphaerophysa
{Sphaerophysa salsula}
Thermopsis
{Thermopsis divaricarpa}
Thermopsis rhombifolia (MONT; 1912)
Trifolium
Trifolium dasyphyllum (MONTU, RM; 2008)
{var. uintense}
{Trifolium fragiferum}
Trifolium haydenii (MONT, RM; 2008)
Trifolium hybridum (MONT; 1918)
Trifolium longipes (MONT, RM, USFS; 2007)
ssp. rydbergii (MONT; 1914)
{var. longipes}
var. reflexum (RM, USFS; 2007)
Trifolium nanum (RM; 1996)
Trifolium parryi (RM, WTU, WWB; 2008)
ssp. montanense (RM, WTU; 2008)
var. parryi (RM; 1996)
Trifolium pratense (MONT, MONTU, RM, USFS; 2007)
Trifolium repens (RM, USFS; 2007)
Vicia
Vicia americana (MONT, RM, USFS, WCW; 2007)
var. americana (USFS; 1965)
var. minor (RM, USFS; 2007)
{Vicia villosa}

GENTIANACEAE:
Comastoma
Comastoma tenellum (MONT, MONTU, RM; 1996)
Frasera
Frasera speciosa (MONT, RM; 2008)
Gentiana
{Gentiana affinis}
Gentiana algida (MONTU, RM; 2008)
Gentiana prostrata (MONTU; 1984)
Gentianella
Gentianella amarella (MONT, RM, WTU; 1992)
{ssp. acuta}
Gentianopsis
{Gentianopsis detonsa}
{Gentianopsis simplex}
Gentianopsis thermalis (WTU; 1945)
Swertia
Swertia perennis (MONT, RM; 1992)

GERANIACEAE:
Erodium
Erodium cicutarium (RM; 2007)
Geranium
{Geranium bicknellii}
Geranium carolinianum (RM; 2007)
{Geranium pusillum}
Geranium richardsonii (MONT, MONTU, RM, USFS, WTU; 2007)
Geranium viscosissimum (MONT, MONTU, OSC, RM, USFS, WCW, WTU; 2007)
var. incisum (RM, USFS; 2007)
var. viscosissimum (RM, USFS; 2007)

GROSSULARIACEAE:
Ribes
Ribes americanum (ID, MONT, RM; 1996)
Ribes aureum (MONT, RM; 2008)
var. aureum (MONT, RM; 2008)
{var. villosum}
Ribes cereum (MONT, RM, USFS; 2007)
{Ribes hudsonianum}
{Ribes inerme}
Ribes lacustre (RM, USFS; 2007)
{Ribes montigenum}
Ribes oxyacanthoides (MONT, MONTU, RM, USFS; 2007)
{var. hendersonii}
var. irriguum (MONT, USFS; 2007)
{var. oxyacanthoides}
var. setosum (MONT, MONTU, RM; 1996)
Ribes purpusii (MONT; 1900)
Ribes viscosissimum (RM, USFS; 2007)

HALORAGACEAE:
Myriophyllum
{Myriophyllum sibiricum}
{Myriophyllum verticillatum}

HYDRANGEACEAE:
Philadelphus
{Philadelphus lewisii}

HYDROPHYLLACEAE:
Ellisia
Ellisia nyctelea (MONT, RM; 2007)
Hydrophyllum
{Hydrophyllum capitatum}
{var. capitatum}
Nemophila
{Nemophila breviflora}
Phacelia
{Phacelia franklinii}
{Phacelia glandulosa}
Phacelia hastata (MONT, MONTU, RM, USFS, WTU; 2008)
var. alpina (WTU; 1945)
var. hastata (MONT, RM, USFS; 2008)
{Phacelia heterophylla}
{Phacelia ivesiana}
Phacelia linearis (MONT, MONTU, RM, USFS; 2007)
Phacelia sericea (MONT, RM, WTU; 1945)
{var. sericea}

HYPERICACEAE:
Hypericum
{Hypericum anagalloides}
Hypericum formosum (MONT; ?)
Hypericum perforatum (MONT; 1998)
{Hypericum scouleri}

LAMIACEAE:
Agastache
{Agastache urticifolia}
Brunella
Brunella vulgaris (MONT; ?)
Dracocephalum
Dracocephalum parviflorum (MONT, RM; 1993)
Glechoma
Glechoma hederacea (MONT; 1959)
Hedeoma
{Hedeoma drummondii}
Lycopus
Lycopus americanus (MONTU, RM; 1999)
{Lycopus asper}
{Lycopus uniflorus}
Marrubium
Marrubium vulgare (MONT, MONTU, RM; 1993)
Mentha
Mentha canadensis (MONT, MONTU, RM, USFS; 1991)
Monarda
Monarda fistulosa (MONT, MONTU, RM, USFS, WCW; 2008)
var. menthifolia (MONTU, RM, USFS, WCW; 2008)
Nepeta
Nepeta cataria (MONT; ?)
Prunella
Prunella vulgaris (MONT, RM, USFS; 2007)
var. lanceolata (USFS; 2007)
Salvia
Salvia nemorosa (RM; 1991)
{Salvia reflexa}
Scutellaria
Scutellaria galericulata (MONT, MONTU, RM; 1991)
Stachys
Stachys palustris (MONT; 1914)
{Stachys pilosa}
{var. pilosa}

LENTIBULARIACEAE:
Utricularia
{Utricularia minor}

LINACEAE:
Linum
{Linum australe}
{Linum compactum}
Linum lewisii (MONT, RM, USFS; 2007)
var. lewisii (RM, USFS; 2007)
{Linum rigidum}
Linum usitatissimum (WCW; 1970)

LINNAEACEAE:
Linnaea
{Linnaea borealis}
{ssp. longiflora}

LOASACEAE:
Mentzelia
Mentzelia albicaulis (WS; 1922)
{Mentzelia decapetala}
Mentzelia dispersa (MONT; 1923)
Mentzelia laevicaulis (MONT, RM; 1993)
var. laevicaulis (RM; 1993)
{Mentzelia oligosperma}
{Mentzelia pumila}

LYTHRACEAE:
Lythrum
{Lythrum alatum}

MALVACEAE:
Hibiscus
Hibiscus trionum (MONT; 1947)
Iliamna
{Iliamna rivularis}
Malva
{Malva neglecta}
Malva parviflora (MONT, MONTU; 1937)
{Malva pusilla}
Sphaeralcea
Sphaeralcea coccinea (MONT, RM; 2007)

MELASTOMATACEAE:
Arthrostemma
{Arthrostemma ciliatum}

MENYANTHACEAE:
Menyanthes
Menyanthes trifoliata (MONT, RM; 1992)

MONTIACEAE:
Calyptridium
Calyptridium umbellatum (RM; 2008)
Claytonia
Claytonia lanceolata (MONT, RM, WTU; 1991)
Claytonia megarhiza (RM; 2008)
Claytonia multiscapa (USFS; 2007)
Claytonia perfoliata (MONT, RM; 1993)
Claytonia rosea (MONT, MONTU; 1937)
Claytonia rubra (RM; 2007)
Lewisia
Lewisia pygmaea (MONT, RM, WTU; 2008)
Lewisia rediviva (MONT, RM; 2007)
var. rediviva (RM; 2007)
{Lewisia triphylla}
Montia
Montia chamissoi (MONTU, RM; 1991)
{Montia linearis}

NAMACEAE:
Nama
{Nama densa}

NYCTAGINACEAE:
Abronia
{Abronia elliptica}
{Abronia fragrans}
Mirabilis
Mirabilis linearis (MONT; 1920)
Tripterocalyx
{Tripterocalyx micranthus}

NYMPHAEACEAE:
Nuphar
Nuphar polysepala (MONT, RM; 1991)

OLEACEAE:
Fraxinus
Fraxinus pennsylvanica (MONT; ?)
Syringa
Syringa vulgaris (RM; 1999)

ONAGRACEAE:
Camissonia
{Camissonia parvula}
Chamaenerion
Chamaenerion angustifolium (RM, USFS, WTU; 2008)
ssp. angustifolium (RM, USFS; 2008)
ssp. circumvagum (USFS; 2007)
Chamaenerion latifolium (WTU; 1945)
Chylismia
{Chylismia scapoidea}
{ssp. scapoidea}
Circaea
{Circaea alpina}
{ssp. pacifica}
Epilobium
{Epilobium anagallidifolium}
Epilobium brachycarpum (MONT; 1923)
Epilobium ciliatum (MONT, OSC; 1945)
Epilobium clavatum (RM; 1996)
{Epilobium glaberrimum}
Epilobium glandulosum (OSC, RM, WTU; 1945)
Epilobium hallianum (OSC, WTU; 1945)
Epilobium hornemannii (RM, USFS; 2007)
ssp. hornemannii (RM, USFS; 2007)
{Epilobium lactiflorum}
{Epilobium leptophyllum}
Epilobium saximontanum (RM; 1996)
Eremothera
{Eremothera minor}
Gayophytum
Gayophytum diffusum (OSC, WTU; 1945)
Gayophytum racemosum (RM; 1991)
Neoholmgrenia
{Neoholmgrenia andina}
Oenothera
{Oenothera albicaulis}
Oenothera biennis (MONT, MONTU, RM; 1994)
Oenothera cespitosa (MONT, RM; 1996)
ssp. cespitosa (RM; 1996)
{Oenothera curtiflora}
Oenothera flava (MONT, RM; 1999)
{Oenothera nuttallii}
{Oenothera pallida}
{ssp. trichocalyx}
{Oenothera serrulata}
Oenothera suffrutescens (MONT, MONTU, RM, USFS; 2007)
Oenothera villosa (USFS; 2007)
var. villosa (USFS; 2007)
Taraxia
{Taraxia breviflora}
{Taraxia subacaulis}

OROBANCHACEAE:
Agalinis
{Agalinis aspera}
Aphyllon
Aphyllon fasciculatum (MONT, RM; 1999)
Aphyllon uniflorum (RM; 1991)
Castilleja
{Castilleja angustifolia}
{var. angustifolia}
{var. dubia}
{Castilleja chromosa}
Castilleja crista-galli (RM; 1994)
Castilleja cusickii (RM; 2008)
{Castilleja flava}
{var. flava}
{Castilleja hispida}
{Castilleja linariifolia}
Castilleja miniata (MONT, MONTU, RM, USFS; 2008)
var. miniata (RM, USFS; 2008)
{Castilleja nivea}
Castilleja pallescens (MONT, RM, USFS; 2008)
var. pallescens (RM, USFS; 2008)
{Castilleja pilosa}
{var. longispica}
Castilleja pulchella (RM, WTU; 2008)
Castilleja rhexiifolia (RM, WTU; 2008)
{Castilleja septentrionalis}
Castilleja sessiliflora (MONT, RM; 1999)
Melampyrum
Melampyrum lineare (MONT; ?)
Orthocarpus
Orthocarpus luteus (MONT; 1952)
Pedicularis
Pedicularis bracteosa (MONT, OSC, RM, SRP, WTU; 1996)
var. paysoniana (RM, WTU; 1996)
var. siifolia (OSC, SRP; 1945)
Pedicularis cystopteridifolia (RM; 2008)
Pedicularis groenlandica (MONT, OSC, RM, WTU; 2008)
{Pedicularis macrodonta}
Pedicularis oederi (MONT, MONTU, RM, USFS; 2008)
Pedicularis parryi (IDS, WTU; 1945)
ssp. purpurea (IDS; 1945)
{Pedicularis pulchella}
Pedicularis racemosa (MONT; ?)

OXALIDACEAE:
Oxalis
{Oxalis dillenii}

PAPAVERACEAE:
Corydalis
Corydalis aurea (MONT; 1922)
{ssp. aurea}
Fumaria
{Fumaria vaillantii}
Glaucium
Glaucium corniculatum (MONT, MONTU; 2005)
Macleaya
Macleaya cordata (MONT; 2008)
Papaver
Papaver nudicaule (MONTU, RM; 2008)
{Papaver radicatum}
{ssp. kluanense}
Papaver rhoeas (RM; 1992)

PHRYMACEAE:
Erythranthe
Erythranthe breweri (MONT, RM; 1991)
Erythranthe floribunda (RM; 1991)
Erythranthe guttata (MONT, MONTU, RM, WCW; 1993)
Erythranthe hymenophylla (MONT; 1923)
Erythranthe lewisii (RM; 1996)
{Erythranthe suksdorfii}
Erythranthe tilingii (RM; 2007)

PLANTAGINACEAE:
Callitriche
Callitriche hermaphroditica (MONTU; 1985)
Callitriche palustris (RM, WTU; 1965)
Collinsia
Collinsia parviflora (MONT, RM, USFS; 2007)
Hippuris
Hippuris vulgaris (MONT, RM; 1994)
Linaria
{Linaria dalmatica}
{Linaria vulgaris}
Penstemon
{Penstemon albertinus}
Penstemon albidus (MONT, NY, RM; 1999)
{Penstemon arenicola}
{Penstemon aridus}
{Penstemon attenuatus}
{var. attenuatus}
{var. pseudoprocerus}
{Penstemon caryi}
Penstemon crassifolius (MONT; 1923)
Penstemon cyaneus (WCW; 1970)
{Penstemon deustus}
{var. deustus}
Penstemon eriantherus (MONT, NY, RM, USFS; 2007)
{var. cleburnei}
var. eriantherus (RM, USFS; 2007)
{Penstemon floribundus}
Penstemon fruticiformis (MONT; 1974)
Penstemon fruticosus (MONT, RM; 1996)
var. fruticosus (RM; 1996)
{Penstemon gracilis}
{Penstemon laricifolius}
{var. laricifolius}
Penstemon micranthus (MONT; 1923)
{Penstemon montanus}
{var. montanus}
Penstemon nitidus (ID, MONT, MONTU, RM; 1996)
var. nitidus (MONTU, RM; 1996)
Penstemon procerus (NY, RM, WTU; 2008)
var. procerus (NY, RM, WTU; 2008)
{Penstemon radicosus}
Plantago
Plantago elongata (MONT; 1962)
{var. elongata}
{Plantago eriopoda}
Plantago lanceolata (RM; 2007)
Plantago major (RM, USFS; 2007)
Plantago patagonica (MONT, RM, USFS; 2007)
Plantago tweedyi (WTU; 1945)
Synthyris
Synthyris wyomingensis (MONT, RM, USFS, WTU; 2008)
Veronica
Veronica americana (MONT, MONTU, OSC, RM, WTU; 1993)
{Veronica anagallis-aquatica}
Veronica argute-serrata (MONTU, RM, USFS; 2007)
Veronica arvensis (MONT, RM; 1993)
{Veronica campylopoda}
{Veronica paysonii}
Veronica peregrina (MONT, RM; 1994)
var. xalapensis (MONT, RM; 1994)
Veronica serpyllifolia (MONT; 1922)
var. humifusa (MONT; 1922)
{var. serpyllifolia}
{Veronica verna}
Veronica wormskjoldii (MONT, RM, WTU; 2008)
Veronica wyomingensis (WS; 1945)

POLEMONIACEAE:
Aliciella
{Aliciella leptomeria}
Collomia
Collomia linearis (MONT, MONTU, OSC, RM, USFS, WCW, WTU; 2007)
Gilia
{Gilia inconspicua}
{Gilia sinuata}
{Gilia tweedyi}
Ipomopsis
{Ipomopsis aggregata}
{Ipomopsis congesta}
{ssp. congesta}
{Ipomopsis gunnisonii}
{Ipomopsis pumila}
{Ipomopsis spicata}
{ssp. orchidacea}
{ssp. spicata}
{var. cephaloidea}
{var. orchidacea}
Leptosiphon
Leptosiphon harknessii (OSC, SRP; 1945)
Leptosiphon septentrionalis (WTU; 1945)
Linanthus
{Linanthus caespitosus}
{Linanthus pungens}
Microsteris
Microsteris gracilis (MONT, RM, USFS; 2007)
Navarretia
{Navarretia propinqua}
Phlox
{Phlox alyssifolia}
{Phlox bryoides}
Phlox caespitosa (MONT; 1923)
Phlox condensata (MONT, RM; 1996)
Phlox hoodii (MONT, MONTU, RM, USFS; 2007)
{ssp. canescens}
{Phlox kelseyi}
Phlox longifolia (MONT; 1963)
Phlox multiflora (WCW, WTU; 1970)
{Phlox paniculata}
Polemonium
{Polemonium confertum}
Polemonium pulcherrimum (OSC, RM, SRP, WTU; 1945)
var. pulcherrimum (RM, WTU; 1945)
Polemonium viscosum (MONT, RM; 2008)

POLYGONACEAE:
Bistorta
Bistorta bistortoides (MONT, RM, USFS, WTU; 2008)
Bistorta vivipara (MONT, RM; 2008)
Eriogonum
{Eriogonum annuum}
{Eriogonum brevicaule}
{var. bannockense}
{var. canum}
{Eriogonum caespitosum}
{Eriogonum cernuum}
{Eriogonum corymbosum}
Eriogonum flavum (ID, MONT, MONTU, RM, USFS, WTU; 2007)
var. flavum (ID, MONT, MONTU, RM, USFS; 2007)
var. piperi (MONT, RM, WTU; 1996)
{Eriogonum mancum}
Eriogonum ovalifolium (MONT, RM, USFS, WTU; 2008)
var. depressum (WTU; 1945)
var. ochroleucum (MONT, RM, USFS; 2008)
{var. ovalifolium}
{var. purpureum}
{Eriogonum pauciflorum}
Eriogonum umbellatum (MONT, MONTU, RM, USFS, WTU; 2008)
{var. dichrocephalum}
var. majus (MONT, MONTU, RM, USFS, WTU; 2008)
{var. umbellatum}
Fallopia
Fallopia convolvulus (MONT; 1916)
{Fallopia japonica}
{var. japonica}
Koenigia
{Koenigia islandica}
Oxyria
Oxyria digyna (MONT, RM; 2008)
Persicaria
{Persicaria amphibia}
{Persicaria lapathifolia}
Persicaria maculosa (MONTU; 1937)
{Persicaria perfoliata}
{Persicaria punctata}
Polygonum
Polygonum achoreum (RM; 2007)
Polygonum aviculare (RM; 2008)
Polygonum douglasii (MONT, RM; 2007)
Polygonum engelmannii (MONT, RM; 2007)
{Polygonum erectum}
Polygonum majus (MONT; 1918)
{Polygonum minimum}
{Polygonum sawatchense}
Rumex
{Rumex acetosa}
Rumex acetosella (MONT, RM, USFS, WCW; 2007)
Rumex altissimus (MONT; 1914)
Rumex crispus (MONT; 1909)
{Rumex occidentalis}
Rumex patientia (MONT; 1919)
Rumex paucifolius (MONT, RM, USFS, WTU; 2008)
Rumex salicifolius (RM, USFS; 2008)
{var. denticulatus}
var. triangulivalvis (RM, USFS; 2008)
var. utahensis (RM; 1994)
Rumex venosus (USFS; 1960)
Stenogonum
{Stenogonum salsuginosum}

PORTULACACEAE:
Portulaca
Portulaca oleracea (MONTU; 1937)

PRIMULACEAE:
Androsace
{Androsace chamaejasme}
{ssp. lehmanniana}
Androsace occidentalis (MONT, RM; 2008)
Androsace septentrionalis (MONT, RM; 2008)
Dodecatheon
Dodecatheon conjugens (MONT, MONTU, RM, USFS; 2007)
Dodecatheon pulchellum (MONTU, OSC, RM, WTU; 2008)
{var. cusickii}
var. pulchellum (MONTU, OSC, RM, WTU; 2008)
Douglasia
Douglasia montana (MONT, RM; 1996)
Lysimachia
Lysimachia ciliata (MONT, MONTU, USFS; 2007)
Primula
{Primula incana}

RANUNCULACEAE:
Actaea
Actaea rubra (MONT, USFS; 2007)
Anemone
Anemone cylindrica (MONT, RM; 2007)
Anemone drummondii (MONTU, RM; 1992)
var. lithophila (MONTU, RM; 1992)
Anemone multifida (MONT, RM, USFS; 2007)
var. multifida (MONT, RM; 1996)
var. saxicola (RM, USFS; 2007)
var. tetonensis (MONT; 1923)
Anemone patens (MONT, MONTU, RM, USFS, WTU; 2007)
var. multifida (MONT, RM, USFS, WTU; 2007)
Aquilegia
{Aquilegia coerulea}
Aquilegia flavescens (OSC, RM, SRP, USFS, WTU; 2007)
Aquilegia jonesii (RM, USFS; 2008)
Caltha
Caltha chionophila (MONT, MONTU, RM, WTU; 2008)
Caltha palustris (OSC; 1965)
Caltha rotundifolia (MONT; 1897)
Ceratocephala
Ceratocephala testiculata (MONT, RM; 2002)
Clematis
Clematis columbiana (MONT, RM; 1992)
var. columbiana (MONT; 1920)
var. tenuiloba (RM; 1992)
Clematis hirsutissima (MONT; 1999)
{var. hirsutissima}
Clematis ligusticifolia (MONT, MONTU, RM, USFS, WCW; 2007)
Clematis occidentalis (USFS; 2007)
var. grosseserrata (USFS; 2007)
Delphinium
Delphinium andersonii (RM; 2007)
Delphinium bicolor (MONT, MONTU, RM, USFS; 2007)
ssp. bicolor (MONTU, RM, USFS; 2007)
ssp. calcicola (RM; 1999)
{Delphinium geyeri}
{Delphinium glaucum}
Delphinium nuttallianum (RM, WCW; 1996)
Delphinium occidentale (MONT, WTU; 1945)
var. cucullatum (MONT; 1923)
var. occidentale (WTU; 1945)
Halerpestes
Halerpestes cymbalaria (MONT, RM; 1999)
Ranunculus
Ranunculus abortivus (MONT; 1922)
Ranunculus acriformis (RM; 1996)
var. acriformis (RM; 1996)
Ranunculus acris (MONT, RM; 1994)
Ranunculus aquatilis (MONT, WTU; 1965)
{var. diffusus}
{Ranunculus cardiophyllus}
Ranunculus eremogenes (MONT; 1922)
Ranunculus eschscholtzii (MONT, MONTU, OSC, RM, SRP, WTU; 2008)
var. eschscholtzii (MONTU, RM; 2008)
var. eximius (MONTU, OSC, RM, SRP, WTU; 2008)
{var. suksdorfii}
var. trisectus (RM; 2008)
Ranunculus flammula (MONT, MONTU, RM; 1994)
var. ovalis (RM; 1994)
var. reptans (MONT; 1912)
Ranunculus gelidus (MONTU; 1990)
Ranunculus glaberrimus (MONT, MONTU; 1919)
var. ellipticus (MONTU; 1900)
var. glaberrimus (MONT; 1914)
Ranunculus gmelinii (ID, MONT, USFS, WTU; 2007)
{Ranunculus grayi}
{Ranunculus hyperboreus}
Ranunculus inamoenus (RM; 1992)
var. inamoenus (RM; 1992)
{Ranunculus jovis}
Ranunculus macounii (MONT, RM; 1999)
{Ranunculus natans}
{Ranunculus pedatifidus}
{var. affinis}
Ranunculus pensylvanicus (MONT; 1918)
Ranunculus pygmaeus (MONTU, RM; 2008)
{Ranunculus repens}
Ranunculus sceleratus (MONTU; 1937)
{var. multifidus}
{Ranunculus sulphureus}
Ranunculus uncinatus (IDS, MONT, OSC, RM, SRP, USFS, WTU; 2007)
Thalictrum
Thalictrum dasycarpum (MONT, RM; 1992)
Thalictrum fendleri (USFS; 2007)
Thalictrum occidentale (MONT, RM, USFS; 2007)
Thalictrum sparsiflorum (RM; 1994)
Thalictrum venulosum (MONT; 1922)
Trollius
Trollius albiflorus (MONT, RM, WTU; 2008)

RHAMNACEAE:
Ceanothus
Ceanothus velutinus (MONT, RM; 1996)
var. velutinus (RM; 1996)

ROSACEAE:
Agrimonia
Agrimonia repens (MONT; 1924)
Agrimonia striata (MONT, MONTU, USFS; 2007)
Amelanchier
Amelanchier alnifolia (MONT, RM, USFS; 2008)
Amelanchier elliptica (MONT; 1914)
Amelanchier utahensis (MONT, USFS; 2007)
Cercocarpus
{Cercocarpus ledifolius}
{var. ledifolius}
Chamaerhodos
Chamaerhodos erecta (MONT, MONTU, RM, USFS; 2007)
Comarum
{Comarum palustre}
Crataegus
Crataegus castlegarensis (MONT, MONTU; 2008)
Crataegus chrysocarpa (MONT, RM; 2008)
var. chrysocarpa (MONT, RM; 1996)
Crataegus douglasii (MONTU; 2008)
{Crataegus macracantha}
Dasiphora
Dasiphora fruticosa (MONT, MONTU, OSC, RM, USFS; 2008)
Dryas
Dryas hookeriana (MONT, RM, WTU; 2008)
{Dryas octopetala}
Drymocallis
Drymocallis arguta (MONT, RM, WTU; 1994)
Drymocallis fissa (RM; 2007)
Drymocallis glandulosa (MONT, RM; 2008)
{ssp. glabrata}
{ssp. glandulosa}
ssp. pseudorupestris (RM; 2008)
Fragaria
Fragaria vesca (MONT, WCW; 1970)
ssp. californica (MONT; 1918)
Fragaria virginiana (MONT, MONTU, RM, USFS; 2007)
ssp. glauca (MONT, MONTU; 1936)
Geum
Geum aleppicum (MONT; 1922)
Geum macrophyllum (MONT, RM, USFS, WTU; 2007)
{Geum rivale}
Geum rossii (MONT, RM, USFS; 2008)
Geum triflorum (MONT, RM, USFS; 2007)
Ivesia
{Ivesia gordonii}
{var. gordonii}
Kelseya
{Kelseya uniflora}
Malus
Malus pumila (MONT, RM; 1996)
Petrophytum
{Petrophytum caespitosum}
Physocarpus
Physocarpus malvaceus (MONT, RM, USFS; 2007)
Physocarpus monogynus (MONTU, RM, USFS; 2008)
Potentilla
Potentilla anserina (RM; 1992)
Potentilla argentea (RM, USFS; 2008)
Potentilla biennis (MONT; 1923)
Potentilla brevifolia (WCW; 1970)
Potentilla concinna (MONT, USFS; 2007)
var. concinna (MONT, USFS; 2007)
Potentilla effusa (RM, USFS; 2007)
{var. effusa}
Potentilla glaucophylla (MONT, OSC, RM, WTU; 2008)
Potentilla gracilis (MONT, RM, WCW, WTU; 2007)
var. brunnescens (RM; 2007)
{var. flabelliformis}
var. gracilis (RM, WTU; 1992)
var. pulcherrima (RM; 1991)
Potentilla hippiana (MONT, MONTU, RM; 2007)
{Potentilla hyparctica}
Potentilla macounii (MONT; 1919)
{Potentilla nana}
{Potentilla nivea}
Potentilla norvegica (MONT, RM, USFS; 2007)
Potentilla ovina (RM, WTU; 1945)
{var. decurrens}
var. ovina (WTU; 1945)
Potentilla pensylvanica (MONT, RM, USFS; 2007)
{Potentilla plattensis}
{Potentilla recta}
{Potentilla rivalis}
{Potentilla saximontana}
Poterium
{Poterium sanguisorba}
{var. polygamum}
Prunus
Prunus americana (MONT; 1922)
Prunus pensylvanica (MONT; 1918)
Prunus virginiana (MONT, RM, USFS, WCW; 2008)
Purshia
Purshia tridentata (MONT; 1918)
Rosa
Rosa acicularis (MONT, USFS; 2007)
ssp. sayi (MONT, USFS; 2007)
Rosa arkansana (RM, USFS; 2007)
{Rosa gymnocarpa}
{Rosa nutkana}
{ssp. macdougalii}
Rosa woodsii (MONT, RM, USFS, WCW; 2008)
Rubus
Rubus idaeus (MONT; 1923)
{ssp. strigosus}
Rubus parviflorus (MONT, RM, USFS; 2007)
Rubus sachalinensis (MONT, RM, USFS; 2008)
var. sachalinensis (MONT, RM, USFS; 2008)
Sibbaldia
Sibbaldia procumbens (MONT, RM, WTU; 2008)
Sorbus
Sorbus scopulina (MONT; ?)
Spiraea
Spiraea lucida (MONT, RM, USFS; 2008)
{Spiraea splendens}

RUBIACEAE:
Galium
Galium aparine (MONT, RM; 1999)
{Galium bifolium}
Galium boreale (MONT, MONTU, RM, WCW; 2007)
Galium mexicanum (RM, USFS; 2007)
ssp. asperulum (RM, USFS; 2007)
Galium tinctorium (WTU; 1945)
{Galium trifidum}
Galium triflorum (MONT, RM, USFS; 2007)
{Galium verum}

SALICACEAE:
Populus
{Populus ×acuminata}
{Populus alba}
Populus angustifolia (MONT, RM; 1992)
Populus balsamifera (RM, USFS; 2007)
var. balsamifera (RM, USFS; 2007)
Populus ×brayshawii (RM; 1996)
Populus deltoides (MONT, MONTU, RM, USFS; 2008)
ssp. monilifera (MONT, MONTU, RM, USFS; 2008)
{ssp. wislizeni}
Populus ×hastata (MONT; 1922)
Populus tremuloides (MONT, RM, USFS; 2007)
Populus trichocarpa (MONT, RM, USFS, WCW; 2007)
Salix
Salix amygdaloides (MONT, RM; 1997)
Salix barclayi (MONT, RM; 1996)
{Salix barrattiana}
Salix bebbiana (MONT, RM, USFS; 2008)
Salix boothii (MONT, RM, USFS; 2007)
Salix brachycarpa (RM; 1992)
{Salix commutata}
Salix discolor (MONT, RM; 1993)
Salix drummondiana (MONTU, RM; 2016)
Salix eastwoodiae (MONT, RM; 1992)
{Salix eriocephala}
Salix exigua (MONT, RM, USFS; 2007)
{var. columbiana}
var. exigua (RM, USFS; 2007)
Salix famelica (MONT, RM; 1997)
Salix farriae (RM; 1996)
Salix fragilis (RM; 1999)
Salix geyeriana (MONT; 1974)
Salix glauca (MONT, MONTU, RM; 2008)
var. acutifolia (MONT; 1922)
var. villosa (RM; 2008)
Salix interior (RM; 1997)
Salix lasiandra (MONT, RM; 1992)
var. caudata (MONT, RM; 1992)
Salix lutea (RM; 1999)
{Salix melanopsis}
Salix nivalis (MONT, MONTU, RM, WTU; 2008)
Salix petrophila (MONT, RM, USFS, WTU; 2008)
{Salix phlebophylla}
Salix planifolia (MONT, RM, USFS; 2008)
{var. monica}
Salix prolixa (RM; 1996)
Salix pseudomonticola (RM; 1993)
Salix reticulata (MONT; 1971)
{Salix rostrata}
{Salix rotundifolia}
Salix scouleriana (MONT, MONTU, RM, USFS; 1994)
Salix tweedyi (MONT, USFS; 2007)
Salix wolfii (MONT, RM; 1992)
var. idahoensis (MONT; 1923)
{var. wolfii}

SANTALACEAE:
Arceuthobium
{Arceuthobium americanum}
{Arceuthobium cyanocarpum}
Comandra
Comandra umbellata (MONT, RM, USFS; 2008)
ssp. pallida (MONT, RM, USFS; 2008)

SAPINDACEAE:
Acer
Acer glabrum (MONT, RM, USFS, WCW; 2008)
var. douglasii (RM, USFS; 2008)
var. glabrum (USFS; 2007)
Acer negundo (MONT, RM; 1996)

SARCOBATACEAE:
Sarcobatus
{Sarcobatus vermiculatus}

SAXIFRAGACEAE:
Conimitella
Conimitella williamsii (MONT, RM; 1992)
Heuchera
Heuchera cylindrica (RM, USFS; 2008)
Heuchera parvifolia (MONT, RM, USFS, WS; 2007)
Lithophragma
Lithophragma glabrum (MONT; 1912)
Lithophragma parviflorum (MONT, RM, USFS, WCW; 2007)
{Lithophragma tenellum}
Micranthes
Micranthes hieraciifolia (MONTU; 1984)
{Micranthes integrifolia}
{Micranthes nidifica}
{Micranthes nivalis}
Micranthes occidentalis (MONT, RM; 2008)
Micranthes odontoloma (RM, WS, WTU; 1996)
{Micranthes oregana}
Micranthes rhomboidea (MONT, RM, WS, WTU; 2008)
Micranthes subapetala (MONT, RM, WS, WTU; 2008)
Ozomelis
{Ozomelis stauropetala}
Ozomelis trifida (MONT; 1923)
Pectiantia
Pectiantia pentandra (RM; 1996)
Saxifraga
Saxifraga adscendens (WS, WTU; 1945)
Saxifraga austromontana (MONT, MONTU, RM, WS; 2008)
Saxifraga bronchialis (MONT, WTU; 1974)
Saxifraga cernua (RM; 2008)
Saxifraga cespitosa (MONTU, RM, WTU; 2008)
Saxifraga chrysantha (MONTU, RM; 2008)
Saxifraga debilis (MONT; 1923)
Saxifraga flagellaris (MONTU, RM; 2008)
ssp. crandallii (RM; 2008)
{Saxifraga hirculus}
Saxifraga hyperborea (RM; 2008)
Saxifraga oppositifolia (OSC, RM, SRP, WS, WTU; 2008)
{Saxifraga serpyllifolia}
Sullivantia
{Sullivantia hapemanii}
{var. hapemanii}
Telesonix
Telesonix heucheriformis (RM, USFS; 2008)
Telesonix jamesii (MONTU; 1987)

SCROPHULARIACEAE:
Verbascum
Verbascum thapsus (RM; 1996)

SOLANACEAE:
Hyoscyamus
Hyoscyamus niger (MONT, MONTU, RM; 2008)
Nicotiana
{Nicotiana attenuata}
Physalis
{Physalis acutifolia}
Physalis longifolia (MONT; 1966)
Solanum
Solanum dulcamara (RM; 1991)
{Solanum nigrum}
{Solanum physalifolium}
Solanum rostratum (MONT; 2003)
{Solanum triflorum}

TAMARICACEAE:
Tamarix
{Tamarix chinensis}
{Tamarix ramosissima}

ULMACEAE:
Ulmus
{Ulmus pumila}

URTICACEAE:
Parietaria
Parietaria pensylvanica (MONT, RM; 2007)
Urtica
Urtica dioica (MONT, MONTU, RM, USFS, WCW; 2007)
ssp. gracilis (MONT, MONTU, RM, USFS, WCW; 2007)

VALERIANACEAE:
Valeriana
{Valeriana acutiloba}
{var. pubicarpa}
Valeriana dioica (MONT, RM; 1996)
var. sylvatica (RM; 1996)
Valeriana edulis (MONT, RM; 1992)
{var. edulis}
{Valeriana occidentalis}

VERBENACEAE:
Verbena
Verbena bracteata (MONT, MONTU, RM, USFS; 2007)
{Verbena hastata}

VIOLACEAE:
Viola
Viola adunca (MONT, RM, USFS, WTU; 2008)
Viola canadensis (MONT, MONTU, RM, USFS, WCW; 2007)
{var. canadensis}
var. rugulosa (MONT, WCW; 1970)
{Viola macloskeyi}
Viola nephrophylla (MONT, RM; 1993)
ssp. cognata (MONT; 1924)
Viola nuttallii (MONT, RM, USFS; 2007)
{var. praemorsa}
var. vallicola (MONT, RM, USFS; 2007)
{Viola orbiculata}
Viola palustris (MONT; 1922)
{Viola purpurea}
{ssp. venosa}

VITACEAE:
Parthenocissus
Parthenocissus vitacea (MONTU; 1999)
Vitis
{Vitis riparia}

ZYGOPHYLLACEAE:
Tribulus
{Tribulus terrestris}


MONOCOTS:

ALISMATACEAE:
Alisma
{Alisma gramineum}
{Alisma triviale}
Sagittaria
Sagittaria cuneata (MONT; 1966)

AMARYLLIDACEAE:
Allium
Allium brevistylum (RM, USFS; 2007)
Allium cernuum (MONT, RM, USFS, WCW; 2008)
{Allium falcifolium}
Allium geyeri (WCW; 1970)
Allium schoenoprasum (MONT, RM, WCW; 1992)
Allium textile (MONT, RM, USFS, WCW, WS; 2007)

ARACEAE:
Lemna
{Lemna minor}
{Lemna turionifera}
Lemna valdiviana (RM; 1996)

ASPARAGACEAE:
Asparagus
Asparagus officinalis (MONT, RM; 1999)
Leucocrinum
Leucocrinum montanum (MONT, MONTU, RM; 1999)
Maianthemum
Maianthemum racemosum (MONT, RM, USFS; 2007)
ssp. amplexicaule (RM, USFS; 2007)
Maianthemum stellatum (MONT, RM, USFS, WCW; 2007)
Triteleia
Triteleia grandiflora (MONT, RM, USFS; 2007)
Yucca
Yucca glauca (MONTU, RM; 1999)

ASPHODELACEAE:
Hemerocallis
{Hemerocallis fulva}

CYPERACEAE:
Bolboschoenus
{Bolboschoenus maritimus}
{ssp. paludosus}
Bulbostylis
{Bulbostylis capillaris}
Carex
Carex albonigra (RM; 1996)
{Carex aperta}
Carex aquatilis (RM; 1994)
var. aquatilis (RM; 1994)
{Carex arapahoensis}
Carex athrostachya (MONT; 1940)
{Carex atrata}
{Carex atrosquama}
Carex aurea (MONT, MONTU, RM; 1999)
Carex bebbii (MONT, RM; 1994)
Carex bigelowii (MONT; 1914)
Carex brevior (MONT, RM, USFS; 2007)
{Carex breweri}
{Carex brunnescens}
Carex buxbaumii (MONTU; 1999)
Carex canescens (RM; 1994)
var. canescens (RM; 1994)
Carex capillaris (RM; 1993)
Carex capitata (MONT, RM; 1992)
Carex chalciolepis (RM; 1996)
{Carex cordillerana}
Carex deweyana (RM; 1993)
var. deweyana (RM; 1993)
Carex diandra (MONTU; 2000)
Carex disperma (MONT, RM; 1994)
Carex douglasii (MONT, RM; 1996)
Carex duriuscula (MONTU, RM; 1992)
Carex elynoides (WTU; 1945)
Carex engelmannii (MONTU, RM; 1985)
Carex epapillosa (MONTU, RM; 1996)
Carex filifolia (MONT, RM; 1999)
{Carex flava}
Carex foenea (MONT; 1923)
Carex fuliginosa (MONT, MONTU, RM; 1996)
{Carex geyeri}
Carex haydeniana (MONT, RM; 2008)
Carex heteroneura (WTU; 1945)
Carex hoodii (RM, USFS; 2007)
Carex hystericina (MONT, RM; 1993)
Carex illota (MONTU, RM; 1992)
Carex inops (MONT, RM; 1991)
ssp. heliophila (MONT, RM; 1991)
Carex interior (RM; 1994)
Carex kelloggii (OSC, WTU; 1945)
var. kelloggii (OSC, WTU; 1945)
Carex lachenalii (MONT, MONTU, RM; 1996)
Carex lasiocarpa (MONT, RM; 1999)
Carex lenticularis (SRP; 1945)
{Carex leporinella}
Carex leptalea (MONT, RM; 1994)
Carex limosa (MONTU; 2000)
{Carex luzulina}
Carex macloviana (RM; 2008)
Carex marcida (MONT; 1914)
Carex media (MONTU; 1987)
Carex microglochin (RM; 1994)
Carex microptera (MONT, RM; 1996)
{Carex nardina}
Carex nebrascensis (MONT, MONTU, RM, USFS, WTU; 2007)
Carex nelsonii (RM; 1996)
Carex neurophora (OSC, SRP, WTU; 1945)
Carex nigricans (RM; 2008)
{Carex norvegica}
Carex nova (RM; 2008)
var. nova (RM; 2008)
{Carex obtusata}
{Carex pachycarpa}
Carex pachystachya (MONT, RM, USFS; 2007)
{Carex parryana}
Carex paysonis (MONT, MONTU, RM, WTU; 2008)
Carex pelocarpa (MONTU; 1990)
Carex petasata (MONT, RM; 1994)
Carex phaeocephala (MONTU, RM, WTU; 2008)
{Carex podocarpa}
{Carex praeceptorum}
{Carex praegracilis}
Carex praticola (MONT, RM; 1992)
{Carex preslii}
Carex pyrenaica (MONTU, RM; 2008)
{Carex raynoldsii}
Carex retrorsa (MONTU; 1999)
Carex rossii (MONT, RM, USFS; 2007)
Carex rostrata (RM; 1991)
Carex rupestris (RM; 1996)
{Carex saxatilis}
{Carex saximontana}
Carex scirpoidea (MONTU, RM; 1998)
ssp. pseudoscirpoidea (MONTU, RM; 1998)
{ssp. scirpoidea}
Carex scopulorum (MONT, MONTU, RM; 2008)
var. bracteosa (MONTU; 1986)
{var. prionophyllum}
var. scopulorum (RM; 2008)
{Carex simulata}
Carex spectabilis (WTU; 1945)
Carex sprengelii (MONT, MONTU, RM, USFS; 2007)
Carex stenoptila (RM; 1996)
Carex stevenii (MONTU, RM; 1996)
Carex stipata (MONT, RM; 1996)
var. stipata (RM; 1996)
{Carex striata}
Carex tahoensis (MONTU; 2007)
Carex tenera (MONTU; 1999)
Carex utriculata (MONT, RM; 1996)
{Carex vallicola}
Carex vesicaria (MONTU, RM; 1999)
{Carex viridula}
{ssp. viridula}
Carex xerantica (RM; 2007)
Cyperus
{Cyperus squarrosus}
Eleocharis
{Eleocharis acicularis}
{Eleocharis elliptica}
Eleocharis palustris (MONT, RM; 1999)
Eleocharis quinqueflora (RM; 1992)
{Eleocharis rostellata}
{Eleocharis tenuis}
Eriophorum
Eriophorum angustifolium (MONTU, RM; 1999)
{Eriophorum callitrix}
Fuirena
{Fuirena scirpoidea}
Kobresia
Kobresia myosuroides (MONT, RM; 1996)
{Kobresia sibirica}
Lipocarpha
{Lipocarpha micrantha}
Schoenoplectus
{Schoenoplectus acutus}
{Schoenoplectus americanus}
{Schoenoplectus pungens}
Schoenoplectus tabernaemontani (MONT; ?)
Scirpus
Scirpus microcarpus (MONT, RM, USFS; 1996)
{Scirpus pallidus}

HYDROCHARITACEAE:
Elodea
{Elodea canadensis}

IRIDACEAE:
Iris
Iris missouriensis (MONT; ?)
{Iris pseudacorus}
Sisyrinchium
{Sisyrinchium angustifolium}
{Sisyrinchium idahoense}
{var. occidentale}
Sisyrinchium montanum (MONT, MONTU, RM; 1999)
{var. montanum}
{Sisyrinchium pallidum}

JUNCACEAE:
Juncus
Juncus alpinoarticulatus (MONTU; 1999)
Juncus articulatus (RM; 1993)
Juncus balticus (MONTU, RM, WTU; 1999)
ssp. ater (WTU; 1945)
Juncus biglumis (MONT, MONTU, RM; 1996)
Juncus bufonius (MONT; ?)
Juncus castaneus (MONT, MONTU, RM; 1996)
Juncus confusus (MONT, RM, USFS; 2007)
Juncus drummondii (MONTU, RM; 2008)
Juncus dudleyi (MONTU, RM, USFS; 2007)
Juncus ensifolius (MONT, RM, USFS; 2007)
Juncus hallii (MONTU; 1998)
{Juncus interior}
Juncus longistylis (MONT, OSC, SRP; 1945)
Juncus mertensianus (MONT, RM; 2008)
Juncus nodosus (MONT, MONTU; 1999)
Juncus parryi (MONT, RM; 1996)
Juncus regelii (MONT, RM, WTU; 1994)
{Juncus saximontanus}
Juncus tenuis (MONT, RM; 1991)
{Juncus torreyi}
Juncus triglumis (MONT, MONTU, RM; 1996)
Luzula
{Luzula campestris}
{Luzula comosa}
{Luzula hitchcockii}
Luzula parviflora (MONT, RM; 1996)
{Luzula piperi}
Luzula spicata (MONT, MONTU, RM; 2008)
{Luzula wahlenbergii}

JUNCAGINACEAE:
Triglochin
Triglochin maritima (MONTU; 1937)
{Triglochin palustris}

LILIACEAE:
Calochortus
Calochortus gunnisonii (MONT, MONTU, RM, USFS; 2007)
var. gunnisonii (RM; 1994)
Calochortus nuttallii (MONT, MONTU, OSC, RM, USFS, WCW, WS; 2007)
Erythronium
{Erythronium grandiflorum}
{var. grandiflorum}
Fritillaria
Fritillaria atropurpurea (MONT, MONTU, RM; 1992)
Fritillaria pudica (MONT, MONTU, RM, USFS; 2007)
Lilium
Lilium philadelphicum (MONTU, RM; 1994)
Lloydia
Lloydia serotina (RM; 2008)
var. serotina (RM; 2008)
Prosartes
Prosartes trachycarpa (MONT, RM, USFS; 2007)
Streptopus
Streptopus amplexifolius (MONT, RM, USFS; 2008)

MELANTHIACEAE:
Anticlea
Anticlea elegans (MONT, MONTU, RM, USFS, WTU; 2008)
Toxicoscordion
Toxicoscordion paniculatum (USFS; 2007)
Toxicoscordion venenosum (MONT, RM, USFS, WCW; 2007)
var. gramineum (RM, USFS, WCW; 2007)
{var. venenosum}
Veratrum
{Veratrum viride}
{var. eschscholzianum}

ORCHIDACEAE:
Calypso
Calypso bulbosa (USFS; 2007)
var. americana (USFS; 2007)
{var. occidentalis}
Corallorhiza
Corallorhiza maculata (MONT, RM; 1994)
{var. occidentalis}
Corallorhiza striata (RM; 1992)
{var. striata}
{Corallorhiza trifida}
Corallorhiza wisteriana (MONTU, RM; 1994)
Cypripedium
Cypripedium calceolus (MONT; 1922)
Cypripedium parviflorum (MONT, MONTU, RM; 1993)
var. parviflorum (MONT, RM; 1993)
var. pubescens (MONTU; 1937)
Dactylorhiza
Dactylorhiza viridis (RM; 1992)
Epipactis
{Epipactis gigantea}
Goodyera
Goodyera oblongifolia (RM, USFS; 2007)
Neottia
{Neottia borealis}
Neottia convallarioides (MONT, MONTU, RM, USFS; 2007)
Neottia cordata (MONTU; 1986)
Platanthera
Platanthera aquilonis (RM, USFS; 2007)
Platanthera dilatata (MONT, MONTU, OSC, RM, SRP, USFS, WTU; 2007)
var. albiflora (RM, USFS, WTU; 2007)
var. dilatata (OSC; 1945)
Platanthera huronensis (RM; 1993)
Platanthera hyperborea (MONT; 1923)
Platanthera obtusata (RM; 1993)
Platanthera orbiculata (MONT; 1892)
Platanthera stricta (WTU; 1945)
Platanthera unalascensis (RM; 2008)
Spiranthes
Spiranthes romanzoffiana (MONT, MONTU, RM; 1996)

POACEAE:
Achnatherum
{Achnatherum contractum}
Achnatherum hymenoides (MONT, RM; 2007)
{Achnatherum lettermanii}
Achnatherum nelsonii (RM, USFS; 2007)
ssp. dorei (RM; 1996)
ssp. nelsonii (RM, USFS; 2007)
{Achnatherum pinetorum}
{Achnatherum richardsonii}
Aegilops
{Aegilops cylindrica}
Agropyron
Agropyron cristatum (RM; 2008)
var. cristatum (RM; 2008)
{Agropyron fragile}
Agrostis
{Agrostis capillaris}
Agrostis exarata (RM, WTU; 1994)
{Agrostis gigantea}
Agrostis idahoensis (WTU; 1945)
{Agrostis mertensii}
Agrostis scabra (MONT, RM, USFS; 2007)
Agrostis stolonifera (MONT, USFS; 2007)
Agrostis variabilis (RM; 1992)
Alopecurus
Alopecurus aequalis (MONT; 1926)
{var. aequalis}
Alopecurus arundinaceus (RM; 2008)
{Alopecurus magellanicus}
{Alopecurus pratensis}
Andropogon
{Andropogon gerardii}
Apera
{Apera interrupta}
Aristida
Aristida purpurea (MONT; 1926)
{var. fendleriana}
var. longiseta (MONT; 1926)
Avena
{Avena fatua}
{Avena sativa}
Avenula
Avenula hookeri (MONT; 1920)
Beckmannia
{Beckmannia syzigachne}
Bouteloua
{Bouteloua barbata}
{Bouteloua dactyloides}
Bouteloua gracilis (MONT; 1926)
Bouteloua hirsuta (RM; 2007)
var. hirsuta (RM; 2007)
Bromus
Bromus ciliatus (MONT; 1916)
Bromus commutatus (RM, USFS; 2008)
Bromus hordeaceus (RM; 1992)
Bromus inermis (MONT, RM; 2008)
Bromus japonicus (MONT; 1967)
{Bromus porteri}
{Bromus pumpellianus}
{ssp. pumpellianus}
Bromus secalinus (MONT, RM; 1999)
Bromus sitchensis (MONT, MONTU; 1936)
var. carinatus (MONT, MONTU; 1936)
Bromus tectorum (MONT, MONTU, RM, USFS; 2008)
Bromus vulgaris (USFS; 2007)
Calamagrostis
Calamagrostis canadensis (MONT, RM, USFS, WTU; 2007)
var. canadensis (WTU; 1945)
var. langsdorffii (USFS; 2007)
Calamagrostis montanensis (MONT; 1922)
Calamagrostis purpurascens (MONT, RM; 2008)
Calamagrostis rubescens (RM; 1994)
Calamagrostis stricta (MONT; 1918)
{ssp. inexpansa}
Calamovilfa
Calamovilfa longifolia (MONT, RM; 1984)
{var. longifolia}
Catabrosa
Catabrosa aquatica (MONT; 1922)
Cinna
{Cinna latifolia}
Dactylis
Dactylis glomerata (RM, USFS; 2008)
Danthonia
{Danthonia californica}
Danthonia intermedia (RM; 1996)
Danthonia spicata (USFS; 2007)
Danthonia unispicata (MONT, RM; 2007)
Deschampsia
Deschampsia cespitosa (MONT, MONTU, RM, USFS; 2008)
Deschampsia elongata (MONT, WTU; 1945)
Dichanthelium
{Dichanthelium acuminatum}
Digitaria
Digitaria ischaemum (MONT; 2001)
Distichlis
Distichlis spicata (MONT; 1998)
Echinochloa
Echinochloa crus-galli (MONT; ?)
{Echinochloa muricata}
{var. microstachya}
Elyhordeum
{×Elyhordeum macounii}
Elymus
{Elymus albicans}
Elymus canadensis (RM; 1984)
{var. canadensis}
Elymus elymoides (RM; 2008)
ssp. brevifolius (RM; 2008)
Elymus glaucus (MONT, RM, USFS; 2007)
ssp. glaucus (RM, USFS; 2007)
{Elymus ×hansenii}
Elymus hispidus (RM; 2008)
var. hispidus (RM; 2008)
Elymus lanceolatus (MONT, RM; 2008)
ssp. lanceolatus (MONT; 1912)
ssp. riparius (RM; 2008)
var. lanceolatus (RM; 2008)
Elymus repens (RM; 1991)
Elymus ×saxicolus (RM; 2008)
Elymus scribneri (RM, WTU; 2008)
Elymus trachycaulus (MONT, RM, USFS; 1992)
{ssp. subsecundus}
ssp. trachycaulus (RM, USFS; 1992)
{Elymus trachycaulus × Elymus scribneri}
{Elymus violaceus}
Eragrostis
{Eragrostis cilianensis}
{Eragrostis hypnoides}
{Eragrostis minor}
{Eragrostis pectinacea}
Eremopyrum
{Eremopyrum triticeum}
Eriochloa
Eriochloa michauxii (WCW; 1970)
Festuca
Festuca baffinensis (MONT; 1974)
Festuca brachyphylla (RM, USFS; 2008)
ssp. coloradensis (RM; 1996)
{Festuca campestris}
Festuca idahoensis (MONT, MONTU, RM; 2008)
Festuca minutiflora (RM; 2008)
{Festuca occidentalis}
Festuca ovina (WTU; 1945)
Festuca rubra (MONT, RM; 2008)
{ssp. arenaria}
ssp. rubra (RM; 2008)
{Festuca saximontana}
{var. purpusiana}
{var. saximontana}
{Festuca subulata}
Glyceria
{Glyceria elata}
Glyceria grandis (MONT; 1920)
{var. grandis}
Glyceria striata (RM, USFS; 2007)
Graphephorum
Graphephorum wolfii (WTU; 1945)
Hesperostipa
Hesperostipa comata (RM, USFS; 2007)
ssp. comata (RM, USFS; 2007)
ssp. intermedia (RM; 2007)
Hierochloe
Hierochloe odorata (MONT, RM; 1992)
Hordeum
Hordeum brachyantherum (MONTU; 1936)
{Hordeum jubatum}
{ssp. jubatum}
Hordeum murinum (MONTU; 2016)
ssp. leporinum (MONTU; 2016)
Hordeum pusillum (MONT, MONTU; 1924)
{Hordeum vulgare}
Koeleria
Koeleria macrantha (MONT, RM, USFS; 2007)
Leucopoa
Leucopoa kingii (MONT, MONTU, RM, USFS; 2016)
Leymus
Leymus cinereus (MONT, RM, USFS; 2007)
{Leymus mollis}
{ssp. mollis}
Melica
{Melica bulbosa}
Melica spectabilis (MONT; 1920)
Melica subulata (RM; 1992)
Muhlenbergia
{Muhlenbergia andina}
{Muhlenbergia asperifolia}
Muhlenbergia cuspidata (MONT; 1916)
Muhlenbergia filiformis (WTU; 1945)
Muhlenbergia glomerata (MONTU; 2000)
Muhlenbergia racemosa (MONT; 1918)
{Muhlenbergia richardsonis}
Munroa
{Munroa squarrosa}
Nassella
Nassella viridula (RM; 2007)
Oryzopsis
Oryzopsis asperifolia (RM, USFS; 2007)
Panicum
Panicum capillare (MONT; ?)
Panicum virgatum (MONT; ?)
Pascopyrum
Pascopyrum smithii (MONT, RM, USFS; 2007)
Phalaris
Phalaris arundinacea (MONT, RM, USFS; 1992)
{Phalaris canariensis}
Phippsia
Phippsia algida (MONTU; 1984)
Phleum
Phleum alpinum (MONT, RM; 2008)
var. alpinum (RM; 2008)
Phleum pratense (RM, USFS; 2007)
{ssp. pratense}
var. pratense (RM, USFS; 2007)
Phragmites
{Phragmites australis}
Piptatheropsis
Piptatheropsis exigua (RM; 1991)
Piptatheropsis micrantha (RM; 2007)
Poa
Poa abbreviata (RM; 2008)
ssp. pattersonii (RM; 2008)
Poa alpina (MONT, RM; 2008)
var. alpina (RM; 2008)
{Poa annua}
{Poa arctica}
{ssp. arctica}
{ssp. grayana}
Poa arida (MONT, MONTU, RM, USFS; 2007)
Poa bulbosa (MONT, RM, USFS; 2007)
ssp. vivipara (RM, USFS; 2007)
Poa compressa (RM; 2008)
Poa cusickii (MONT, RM, USFS, WTU; 1996)
ssp. epilis (RM; 1996)
ssp. pallida (WTU; 1945)
Poa fendleriana (MONT; 1971)
{ssp. fendleriana}
{ssp. longiligula}
Poa glauca (MONT, RM, WTU; 1996)
ssp. rupicola (RM, WTU; 1996)
Poa interior (MONT, RM, USFS; 2008)
{Poa leptocoma}
{Poa lettermanii}
{Poa nemoralis}
{Poa nervosa}
Poa palustris (MONT, USFS; 2007)
Poa pratensis (MONT, MONTU, RM, SRP, USFS; 2008)
Poa pratensis × Poa wheeleri (RM; 1996)
Poa reflexa (WTU; 1945)
Poa secunda (ID, MONT, RM, WTU; 2008)
ssp. juncifolia (MONT, RM; 2008)
ssp. secunda (MONT, RM, WTU; 1999)
Poa stenantha (RM; 1991)
Poa wheeleri (RM; 1992)
Podagrostis
Podagrostis humilis (MONTU, RM; 1996)
Polypogon
{Polypogon monspeliensis}
Psathyrostachys
Psathyrostachys juncea (RM; 1984)
Pseudoroegneria
Pseudoroegneria spicata (ID, MONT, MONTU, RM, USFS; 2008)
Puccinellia
{Puccinellia distans}
{Puccinellia nuttalliana}
Schedonnardus
Schedonnardus paniculatus (MONT, RM; 2007)
Schedonorus
{Schedonorus arundinaceus}
Schedonorus pratensis (RM; 1991)
Secale
Secale cereale (MONTU; 1936)
Setaria
{Setaria pumila}
{Setaria verticillata}
Setaria viridis (MONT; 1914)
Spartina
{Spartina gracilis}
{Spartina pectinata}
Sphenopholis
{Sphenopholis obtusata}
Sporobolus
{Sporobolus airoides}
{Sporobolus cryptandrus}
Thinopyrum
{Thinopyrum intermedium}
{Thinopyrum ponticum}
Torreyochloa
Torreyochloa pallida (MONT, WTU; 1948)
var. pauciflora (MONT, WTU; 1948)
Trisetum
Trisetum spicatum (MONTU, RM, USFS; 2008)
Triticum
Triticum aestivum (RM; 2008)
Vahlodea
Vahlodea atropurpurea (MONT; ?)
Vulpia
Vulpia octoflora (MONT, RM, USFS; 2007)
var. hirtella (RM; 2007)
{var. octoflora}
var. tenella (USFS; 2007)

POTAMOGETONACEAE:
Potamogeton
Potamogeton alpinus (MONTU; 1999)
{Potamogeton epihydrus}
Stuckenia
{Stuckenia filiformis}
Stuckenia pectinata (WTU; 1965)
Zannichellia
{Zannichellia palustris}

TYPHACEAE:
Sparganium
{Sparganium angustifolium}
{Sparganium emersum}
Typha
Typha angustifolia (RM; 1993)
Typha latifolia (MONT, RM; 1996)