Vascular Plants of Walla Walla County, Washington

Generated from PNW Herbaria database
November 28, 2020.

117 family names
493 genus names
1,379 species/infraspecies names
(names highlighted in brown could not be resolved to an accepted name)

{an additional 495 species/infraspecies are to be expected based on presence in one of these adjacent counties: Columbia, Franklin; these names are colored gray and enclosed in braces}

Index to Families:

Ferns:
A, C, D, E, M, O, P, S, W

Gymnosperms:
C, G, P, T

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

Monocots:
A, B, C, H, I, J, L, M, O, P, T

FERNS:

Athyriaceae: Athyrium

Cystopteridaceae: Cystopteris, Gymnocarpium

Dennstaedtiaceae: Pteridium

Dryopteridaceae: Dryopteris, Polystichum

Equisetaceae: Equisetum

Marsileaceae: Marsilea

Ophioglossaceae: Botrychium

Polypodiaceae: Polypodium

Pteridaceae: Adiantum, Aspidotis, Myriopteris

Salviniaceae: Azolla

Selaginellaceae: Selaginella

Woodsiaceae: Woodsia

GYMNOSPERMS:

Cupressaceae: Juniperus, Platycladus, Thuja

Ginkgoaceae: Ginkgo

Pinaceae: Abies, Larix, Picea, Pinus, Pseudotsuga

Taxaceae: Taxus

DICOTS:

Adoxaceae: Sambucus, Viburnum

Amaranthaceae: Amaranthus, Atriplex, Bassia, Blitum, Chenopodiastrum, Chenopodium, Corispermum, Dysphania, Grayia, Krascheninnikovia, Oxybasis, Salsola

Anacardiaceae: Rhus, Toxicodendron

Apiaceae: Angelica, Anthriscus, Berula, Cicuta, Conioselinum, Conium, Cymopterus, Daucus, Heracleum, Ligusticum, Lilaeopsis, Lomatium, Osmorhiza, Pastinaca, Perideridia, Sanicula

Apocynaceae: Apocynum, Asclepias, Vinca

Araliaceae: Oplopanax

Aristolochiaceae: Asarum

Asteraceae: Achillea, Adenocaulon, Ageratina, Agoseris, Ambrosia, Anaphalis, Antennaria, Anthemis, Arnica, Artemisia, Balsamorhiza, Bellis, Bidens, Blepharipappus, Brickellia, Centaurea, Centromadia, Chaenactis, Chondrilla, Chrysothamnus, Cichorium, Cirsium, Conyza, Coreopsis, Crepis, Crocidium, Cyclachaena, Dieteria, Ericameria, Erigeron, Eriophyllum, Eurybia, Euthamia, Gaillardia, Gnaphalium, Grindelia, Helenium, Helianthella, Helianthus, Heterotheca, Hieracium, Hymenopappus, Hymenoxys, Iva, Lactuca, Lagophylla, Lapsana, Layia, Leucanthemum, Madia, Matricaria, Microseris, Nothocalais, Onopordum, Packera, Petasites, Pseudognaphalium, Pyrrhopappus, Pyrrocoma, Rhaponticum, Rudbeckia, Senecio, Solidago, Sonchus, Stenotus, Stephanomeria, Symphyotrichum, Tanacetum, Taraxacum, Tetradymia, Townsendia, Tragopogon, Tripleurospermum, Wyethia, Xanthium

Balsaminaceae: Impatiens

Berberidaceae: Mahonia, Vancouveria

Betulaceae: Alnus, Betula

Bignoniaceae: Catalpa

Boraginaceae: Amsinckia, Anchusa, Asperugo, Buglossoides, Capnorea, Cryptantha, Cynoglossum, Eritrichium, Greeneocharis, Hackelia, Lappula, Lithospermum, Mertensia, Myosotis, Oreocarya, Pectocarya, Plagiobothrys, Sonnea

Cactaceae: Opuntia

Campanulaceae: Campanula, Githopsis, Triodanis

Cannabaceae: Cannabis, Celtis, Humulus

Caprifoliaceae: Lonicera, Symphoricarpos

Caryophyllaceae: Arenaria, Cerastium, Dianthus, Eremogone, Gypsophila, Holosteum, Moehringia, Pseudostellaria, Sagina, Saponaria, Scleranthus, Silene, Spergula, Spergularia, Stellaria, Vaccaria

Celastraceae: Paxistima

Ceratophyllaceae: Ceratophyllum

Cleomaceae: Cleome, Peritoma

Convolvulaceae: Calystegia, Convolvulus, Cuscuta

Cornaceae: Cornus

Crassulaceae: Sedum

Cucurbitaceae: Bryonia, Citrullus, Echinocystis

Dipsacaceae: Dipsacus

Ehretiaceae: Tiquilia

Elaeagnaceae: Elaeagnus, Shepherdia

Ericaceae: Arctostaphylos, Chimaphila, Moneses, Monotropa, Orthilia, Phyllodoce, Pterospora, Pyrola, Vaccinium

Euphorbiaceae: Croton, Euphorbia

Fagaceae: Fagus, Quercus

Gentianaceae: Centaurium, Frasera, Gentiana

Geraniaceae: Erodium, Geranium

Grossulariaceae: Ribes

Haloragaceae: Myriophyllum

Heliotropiaceae: Heliotropium

Hydrangeaceae: Philadelphus

Hydrophyllaceae: Hesperochiron, Hydrophyllum, Nemophila, Phacelia

Hypericaceae: Hypericum, Triadenum

Juglandaceae: Juglans

Lamiaceae: Agastache, Clinopodium, Glechoma, Lamium, Lycopus, Marrubium, Melissa, Mentha, Monardella, Nepeta, Prunella, Salvia, Scutellaria, Stachys, Trichostema

Limnanthaceae: Floerkea

Linaceae: Linum

Linderniaceae: Lindernia

Linnaeaceae: Linnaea

Loasaceae: Mentzelia

Lythraceae: Ammannia, Lythrum, Rotala

Magnoliaceae: Liriodendron

Malvaceae: Iliamna, Malva, Malvella, Sidalcea, Sphaeralcea

Molluginaceae: Mollugo

Montiaceae: Claytonia, Lewisia, Montia

Moraceae: Maclura, Morus

Namaceae: Nama

Nyctaginaceae: Abronia

Oleaceae: Fraxinus, Syringa

Onagraceae: Camissonia, Chamaenerion, Circaea, Clarkia, Epilobium, Eremothera, Gayophytum, Ludwigia, Neoholmgrenia, Oenothera, Taraxia

Orobanchaceae: Aphyllon, Castilleja, Pedicularis

Oxalidaceae: Oxalis

Paeoniaceae: Paeonia

Papaveraceae: Corydalis, Dicentra, Eschscholzia, Fumaria, Papaver

Phrymaceae: Diplacus, Erythranthe, Mimulus

Phytolaccaceae: Phytolacca

Plantaginaceae: Bacopa, Callitriche, Collinsia, Gratiola, Linaria, Penstemon, Plantago, Tonella, Veronica

Platanaceae: Platanus

Polemoniaceae: Aliciella, Collomia, Eriastrum, Gilia, Ipomopsis, Leptosiphon, Linanthus, Microgilia, Microsteris, Navarretia, Phlox, Polemonium

Polygonaceae: Bistorta, Chorizanthe, Eriogonum, Fagopyrum, Fallopia, Oxytheca, Persicaria, Polygonum, Rumex

Portulacaceae: Portulaca

Primulaceae: Dodecatheon, Lysimachia

Ranunculaceae: Aconitum, Actaea, Anemone, Aquilegia, Ceratocephala, Clematis, Delphinium, Halerpestes, Myosurus, Nigella, Ranunculus, Thalictrum, Trautvetteria

Rhamnaceae: Ceanothus, Frangula, Rhamnus

Rubiaceae: Cruciata, Galium, Kelloggia

Salicaceae: Populus, Salix

Santalaceae: Arceuthobium, Comandra

Sapindaceae: Acer, Aesculus

Sarcobataceae: Sarcobatus

Saxifragaceae: Heuchera, Lithophragma, Micranthes, Mitella, Mitellastra, Ozomelis, Pectiantia, Saxifraga, Tiarella

Scrophulariaceae: Limosella, Scrophularia, Verbascum

Simaroubaceae: Ailanthus

Solanaceae: Datura, Lycium, Nicotiana, Solanum

Tamaricaceae: Tamarix

Ulmaceae: Ulmus

Urticaceae: Parietaria, Urtica

Valerianaceae: Algeria, Plectritis, Valeriana, Valerianella

Verbenaceae: Verbena

Violaceae: Viola

Vitaceae: Parthenocissus

Zygophyllaceae: Tribulus

MONOCOTS:

Acoraceae: Acorus

Alismataceae: Alisma, Sagittaria

Amaryllidaceae: Allium, Galanthus, Narcissus

Araceae: Lemna

Asparagaceae: Asparagus, Brodiaea, Camassia, Maianthemum, Muscari, Ornithogalum, Triteleia

Butomaceae: Butomus

Cyperaceae: Bolboschoenus, Carex, Cyperus, Eleocharis, Lipocarpha, Schoenoplectus, Scirpus

Hydrocharitaceae: Elodea, Najas

Iridaceae: Iris, Olsynium

Juncaceae: Juncus, Luzula

Juncaginaceae: Triglochin

Liliaceae: Calochortus, Clintonia, Erythronium, Fritillaria, Prosartes, Streptopus

Melanthiaceae: Toxicoscordion, Trillium, Veratrum

Orchidaceae: Calypso, Cephalanthera, Corallorhiza, Cypripedium, Goodyera, Neottia, Platanthera

Pontederiaceae: Heteranthera

Potamogetonaceae: Potamogeton, Stuckenia, Zannichellia

Typhaceae: Sparganium, Typha

FERNS:

ATHYRIACEAE:

Athyrium

Athyrium filix-femina (PSM, RM, WS; 2001)

ssp. cyclosorum (WS; 1982)

CYSTOPTERIDACEAE:

Cystopteris

Cystopteris fragilis (PSM, RM, SRP, WS; 2001)

Gymnocarpium

Gymnocarpium dryopteris (OSC, WCW, WS; 1982)

DENNSTAEDTIACEAE:

Pteridium

Pteridium aquilinum (PSM, RM, WCW, WS; 2001)

ssp. pubescens (RM, WS; 2001)

DRYOPTERIDACEAE:

Dryopteris

{Dryopteris filix-mas}

Polystichum

{Polystichum andersonii}

{Polystichum lonchitis}

Polystichum munitum (PSM, WCW, WSTC; 1994)

EQUISETACEAE:

Equisetum

Equisetum arvense (ID, PSM, SRP, WCW, WS, WSTC; 2004)

var. arvense (WS; 1966)

{Equisetum ×ferrissii}

Equisetum fluviatile (WS; 1969)

Equisetum hyemale (PSM, WCW, WS; 1978)

ssp. affine (WCW, WS; 1971)

Equisetum laevigatum (PSM, WCW, WS; 1987)

Equisetum ×litorale (WS; 1969)

Equisetum palustre (ID, PSM, WCW; 1974)

Equisetum scirpoides (WS; 1974)

Equisetum telmateia (WCW, WS; 1989)

ssp. braunii (WS; 1989)

Equisetum variegatum (PSM; 1963)

MARSILEACEAE:

Marsilea

{Marsilea oligospora}

{Marsilea vestita}

OPHIOGLOSSACEAE:

Botrychium

{Botrychium minganense}

Botrychium obliquum (WCW; ?)

var. dissectum (WCW; ?)

POLYPODIACEAE:

Polypodium

Polypodium hesperium (PSM, WCW; 1963)

PTERIDACEAE:

Adiantum

Adiantum aleuticum (WCW; 1910)

var. aleuticum (WCW; 1910)

Aspidotis

{Aspidotis densa}

Myriopteris

Myriopteris gracillima (WS; 1896)

SALVINIACEAE:

Azolla

Azolla filiculoides (WS; 1974)

Azolla microphylla (WCW, WS; 1983)

SELAGINELLACEAE:

Selaginella

Selaginella scopulorum (WS, WSTC; 1994)

Selaginella wallacei (PSM, WS; 1973)

WOODSIACEAE:

Woodsia

Woodsia oregana (WCW, WS; 2004)

ssp. oregana (WS; 1983)

GYMNOSPERMS:

CUPRESSACEAE:

Juniperus

Juniperus occidentalis (NY, WCW, WS; 1998)

{Juniperus scopulorum}

Platycladus

{Platycladus orientalis}

Thuja

Thuja occidentalis (WCW; 1942)

GINKGOACEAE:

Ginkgo

Ginkgo biloba (CIC; 1972)

PINACEAE:

Abies

Abies grandis (HPSU, PLU, RM, WS; 2001)

Abies lasiocarpa (RM, WS; 2001)

ssp. bifolia (RM; 2001)

Larix

Larix occidentalis (HPSU, WS; 1969)

Picea

Picea engelmannii (NY, RM, WS; 2001)

var. engelmannii (WS; 1926)

Pinus

Pinus contorta (WS; 1975)

var. latifolia (WS; 1975)

Pinus ponderosa (HPSU, PLU, WCW, WS; 2006)

{var. ponderosa}

var. scopulorum (WS; 1981)

{Pinus sylvestris}

Pseudotsuga

Pseudotsuga menziesii (PLU, WS; 1976)

var. glauca (WS; 1973)

TAXACEAE:

Taxus

Taxus brevifolia (PLU, WCW, WS; 1982)

DICOTS:

ADOXACEAE:

Sambucus

Sambucus cerulea (PLU, WCW, WS; 1994)

Sambucus racemosa (PLU, RM, WS; 2001)

var. leucocarpa (WS; 1982)

var. melanocarpa (PLU, RM, WS; 2001)

Viburnum

Viburnum edule (WS; 1979)

AMARANTHACEAE:

Amaranthus

Amaranthus albus (WCW, WS, WTU; 2015)

Amaranthus blitoides (WCW; 1935)

Amaranthus californicus (WS; 1974)

{Amaranthus hybridus}

{Amaranthus powellii}

Amaranthus retroflexus (WCW, WS; 1984)

Atriplex

Atriplex argentea (WCW; 1910)

{Atriplex gardneri}

{var. falcata}

Atriplex heterosperma (WTU; 2005)

Atriplex hortensis (WS; 1958)

Atriplex patula (WCW; 1975)

var. hastata (WCW; 1975)

{Atriplex prostrata}

Atriplex rosea (WCW, WS; 1975)

Bassia

Bassia hirsuta (WS; 1925)

Bassia hyssopifolia (WCW, WS, WTU; 2005)

Bassia scoparia (WCW, WS, WTU; 2005)

Blitum

Blitum nuttallianum (WS; 1897)

Chenopodiastrum

Chenopodiastrum hybridum (WCW; 1975)

Chenopodiastrum murale (ID; 1974)

Chenopodiastrum simplex (WS; 1968)

Chenopodium

Chenopodium album (WCW, WS; 1996)

{Chenopodium berlandieri}

{var. zschackei}

Chenopodium desiccatum (WCW; 1946)

Chenopodium leptophyllum (WS; 1974)

Chenopodium pratericola (WS; 1899)

Corispermum

Corispermum villosum (OSC; 1894)

Dysphania

Dysphania botrys (WCW; 1975)

Grayia

Grayia spinosa (OSC, WCW, WS; 1944)

Krascheninnikovia

{Krascheninnikovia lanata}

Oxybasis

{Oxybasis glauca}

{ssp. glauca}

{ssp. salina}

Oxybasis rubra (WS; 1968)

Salsola

Salsola tragus (WCW, WS; 1995)

ANACARDIACEAE:

Rhus

Rhus glabra (WCW, WS; 1985)

Toxicodendron

{Toxicodendron radicans}

APIACEAE:

Angelica

Angelica arguta (NY, RM, WS; 2001)

Angelica canbyi (WS; 1897)

Angelica genuflexa (NY; ?)

Anthriscus

Anthriscus caucalis (IDS, WCW, WS, WTU; 2011)

Berula

{Berula incisa}

Cicuta

Cicuta vagans (WS; 1897)

Conioselinum

Conioselinum pacificum (WS; 1974)

Conium

Conium maculatum (WCW, WS, WTU; 1984)

Cymopterus

{Cymopterus foeniculaceus}

Cymopterus terebinthinus (WS, WTU; 2009)

Daucus

Daucus carota (PSM, WCW, WS; 1984)

Heracleum

Heracleum maximum (RM, WCW; 2001)

Ligusticum

Ligusticum canbyi (RM; 2001)

{Ligusticum grayi}

Lilaeopsis

{Lilaeopsis occidentalis}

Lomatium

Lomatium ambiguum (WS; 1982)

Lomatium bicolor (PSM; 1950)

{Lomatium brevifolium}

Lomatium columbianum (PSM; 1950)

Lomatium cous (EWU, PSM, WS; 1979)

Lomatium dissectum (WS; 1966)

var. eatoni (WS; 1966)

Lomatium farinosum (WS; 1950)

Lomatium gormanii (CIC, SRP, WS, WTU; 2011)

Lomatium grayi (OSC, RM, WCW, WS, WTU; 2010)

Lomatium hallii (WS; 1923)

{Lomatium leptocarpum}

{Lomatium linearifolium}

Lomatium macrocarpum (CIC, SRP, WS, WTU; 1980)

Lomatium martindalei (OSC; 1925)

Lomatium multifidum (WS; 1896)

{Lomatium papilioniferum}

Lomatium piperi (WS; 1944)

{Lomatium salmoniflorum}

{Lomatium serpentinum}

Lomatium simplex (WS, WTU; 1968)

Lomatium triternatum (PSM, WS; 1974)

f. lancifolium (WS; 1967)

Osmorhiza

Osmorhiza berteroi (PSM, RM, WS; 2001)

Osmorhiza depauperata (WS; 1982)

Osmorhiza occidentalis (PSM, RM, WS; 2001)

Pastinaca

Pastinaca sativa (WS; 1897)

Perideridia

Perideridia montana (OSC, WS; 1982)

Sanicula

Sanicula graveolens (RM, WS; 2001)

APOCYNACEAE:

Apocynum

Apocynum androsaemifolium (WCW, WS; 1982)

Apocynum cannabinum (WS; 1974)

Asclepias

{Asclepias fascicularis}

Asclepias speciosa (WCW, WS, WTU; 1984)

Vinca

Vinca major (WSTC; 1994)

ARALIACEAE:

Oplopanax

Oplopanax horridus (WS; 1896)

ARISTOLOCHIACEAE:

Asarum

Asarum caudatum (WCW, WS; 1983)

ASTERACEAE:

Achillea

Achillea millefolium (RM, WCW, WS; 2008)

Adenocaulon

Adenocaulon bicolor (WS; 1982)

Ageratina

{Ageratina occidentalis}

Agoseris

Agoseris glauca (WCW, WS; 1982)

var. glauca (WS; 1897)

Agoseris grandiflora (WS; 1982)

Agoseris heterophylla (WS; 1982)

var. heterophylla (WS; 1982)

Ambrosia

Ambrosia acanthicarpa (WCW, WS; 1982)

Ambrosia artemisiifolia (WCW, WWB; 1975)

Ambrosia psilostachya (WS, WTU; 1974)

Anaphalis

Anaphalis margaritacea (RM, WCW, WS; 2001)

Antennaria

Antennaria anaphaloides (WS; 1982)

Antennaria dimorpha (WCW, WS; 1970)

Antennaria luzuloides (WCW, WS; 1982)

ssp. luzuloides (WS; 1982)

{Antennaria media}

{Antennaria microphylla}

Antennaria neglecta (WS; 1970)

{Antennaria racemosa}

{Antennaria stenophylla}

{Antennaria umbrinella}

Anthemis

Anthemis cotula (WCW, WS; 1993)

Arnica

Arnica cordata (WS; 1973)

Arnica cordifolia (SRP, WS; 1982)

{Arnica fulgens}

{Arnica gracilis}

Arnica latifolia (WS; 1982)

Arnica nevadensis (WS; 1982)

{Arnica ovata}

Arnica sororia (WS; 1898)

Artemisia

Artemisia absinthium (WS; 1974)

{Artemisia annua}

Artemisia biennis (WCW, WS; 1980)

Artemisia douglasiana (RM; 2001)

Artemisia dracunculus (WCW; 1979)

Artemisia ludoviciana (ID, WS; 1974)

{ssp. candicans}

ssp. incompta (ID; 1946)

ssp. lindleyana (WS; 1946)

ssp. ludoviciana (WS; 1974)

{Artemisia spiciformis}

Artemisia tridentata (ID, WCW, WS; 2002)

{ssp. tridentata}

{Artemisia vulgaris}

Balsamorhiza

Balsamorhiza careyana (CIC, ID, SRP, WCW, WS, WTU; 2011)

Balsamorhiza careyana × Balsamorhiza rosea (WS, WTU; 1943)

Balsamorhiza deltoidea × Balsamorhiza hookeri (WS; 1923)

Balsamorhiza incana (SRP, WCW, WS; 1982)

Balsamorhiza rosea (WS; 1980)

Balsamorhiza sagittata (WCW, WS; 2008)

Balsamorhiza serrata (WS; 1896)

Bellis

Bellis perennis (WCW; 1998)

Bidens

Bidens cernua (WCW, WS, WTU; 1997)

Bidens frondosa (OSC, WCW; 1998)

Bidens vulgata (WCW, WS; 1974)

Blepharipappus

Blepharipappus glandulosus (WCW; 1932)

Blepharipappus scaber (ID, WCW, WS; 1979)

Brickellia

Brickellia oblongifolia (WS; 1897)

var. oblongifolia (WS; 1897)

Centaurea

Centaurea benedicta (WS; 1897)

Centaurea cyanus (WCW, WS; 2007)

Centaurea diffusa (WCW, WTU; 2005)

Centaurea ×gerstlaueri (WS; 1987)

Centaurea solstitialis (PLU, SRP, USFS, WCW, WS, WTU; 2005)

Centaurea stoebe (WCW, WTU; 2005)

ssp. australis (WCW, WTU; 2005)

{Centaurea ×varnensis}

Centromadia

Centromadia pungens (ID, OSC, WCW, WS, WTU; 2018)

ssp. pungens (ID, OSC, WTU; 2018)

Chaenactis

Chaenactis douglasii (WCW, WS; 1979)

var. douglasii (WS; 1967)

{Chaenactis glabriuscula}

Chaenactis macrantha (OSC; 1896)

Chondrilla

Chondrilla juncea (WTU; 2005)

Chrysothamnus

Chrysothamnus viscidiflorus (ID, WCW, WS; 1984)

{ssp. lanceolatus}

ssp. viscidiflorus (ID, WCW, WS; 1982)

Cichorium

Cichorium intybus (ID, WCW, WS; 1995)

Cirsium

Cirsium arvense (ID, WCW, WS, WTU; 2005)

{Cirsium brevistylum}

{Cirsium inamoenum}

{var. inamoenum}

{Cirsium neomexicanum}

{Cirsium undulatum}

Cirsium vulgare (WCW, WS; 1997)

Conyza

Conyza canadensis (WCW, WS; 1995)

Coreopsis

{Coreopsis tinctoria}

Crepis

{Crepis acuminata}

Crepis atribarba (WS; 1982)

{Crepis barbigera}

Crepis intermedia (WS; 1896)

Crepis nicaeensis (WCW; 1967)

{Crepis occidentalis}

Crocidium

Crocidium multicaule (WCW, WS; 1993)

Cyclachaena

Cyclachaena xanthiifolia (WCW, WS; 1975)

Dieteria

Dieteria canescens (WCW, WS, WTU; 1982)

var. canescens (WS; 1982)

var. incana (WS, WTU; 1974)

Ericameria

Ericameria nauseosa (ID, SRP, WCW, WS, WTU; 2016)

var. nana (WS; 1982)

{var. nauseosa}

var. speciosa (ID, WCW, WS, WTU; 2016)

{Ericameria resinosa}

Erigeron

Erigeron annuus (WS; 1896)

{Erigeron asperugineus}

Erigeron bloomeri (WS; 1896)

var. bloomeri (WS; 1896)

Erigeron chrysopsidis (CIC, WCW, WS; 1992)

{var. austiniae}

var. chrysopsidis (CIC, WS; 1972)

Erigeron compositus (WCW; 2000)

Erigeron corymbosus (WS; 1923)

{Erigeron disparipilus}

Erigeron divergens (OSC, WCW; 1963)

{Erigeron eatonii}

{var. villosus}

Erigeron filifolius (WS; 2000)

Erigeron glacialis (RM; 2001)

var. glacialis (RM; 2001)

Erigeron linearis (WCW, WS; 1983)

{Erigeron peregrinus}

Erigeron philadelphicus (WCW, WS; 1982)

{Erigeron piperianus}

Erigeron poliospermus (WCW, WS; 1983)

var. poliospermus (WCW, WS; 1983)

Erigeron pumilus (CIC, ID, WCW, WS; 1974)

var. intermedius (WS; 1974)

{var. pumilus}

{Erigeron speciosus}

Erigeron strigosus (WS; 1897)

Eriophyllum

Eriophyllum lanatum (WS, WTU; 1982)

var. integrifolium (WS; 1982)

Eurybia

Eurybia conspicua (WS, WTU; 1982)

Eurybia integrifolia (WS; 1982)

Euthamia

Euthamia graminifolia (ID; 1974)

Euthamia occidentalis (ID, OSC, WCW; 2008)

Gaillardia

Gaillardia aristata (OSC, WCW, WS; 1982)

Gnaphalium

Gnaphalium palustre (WCW, WS, WTU; 2012)

Grindelia

Grindelia hirsutula (OSC, WCW, WS; 1996)

Grindelia squarrosa (WCW, WS; 2008)

Helenium

Helenium autumnale (WS; 1922)

Helianthella

Helianthella uniflora (SRP, WS; 1982)

var. douglasii (SRP; 1982)

Helianthus

Helianthus annuus (IDE, WCW, WS, WTU; 2005)

Helianthus tuberosus (WS; 1897)

Heterotheca

Heterotheca villosa (WCW, WS; 1998)

var. minor (WCW, WS; 1998)

Hieracium

Hieracium albiflorum (RM, WS; 2001)

{Hieracium caespitosum}

Hieracium scouleri (RM; 2001)

Hieracium triste (WS; 1896)

Hieracium umbellatum (WCW; 1911)

Hymenopappus

{Hymenopappus filifolius}

{var. filifolius}

Hymenoxys

{Hymenoxys richardsonii}

Iva

Iva axillaris (OSC; 1896)

Lactuca

Lactuca biennis (WS; 1896)

{Lactuca canadensis}

Lactuca ludoviciana (WS; 1974)

Lactuca serriola (WCW, WS; 1996)

Lagophylla

Lagophylla ramosissima (WS; 1949)

Lapsana

Lapsana communis (WCW, WS; 2004)

Layia

Layia glandulosa (OSC, WCW, WS; 2003)

Leucanthemum

{Leucanthemum vulgare}

Madia

Madia citriodora (WS; 1987)

{Madia elegans}

{Madia exigua}

Madia glomerata (OSC, WS; 1982)

Madia gracilis (WCW, WS; 1982)

Matricaria

Matricaria discoidea (WCW, WS; 2007)

Microseris

Microseris nutans (RM, WS; 2001)

Nothocalais

Nothocalais troximoides (WS; 1897)

Onopordum

Onopordum acanthium (IDE, WS; 1988)

Packera

{Packera cana}

{Packera paupercula}

Packera streptanthifolia (PSM; 1950)

Petasites

Petasites frigidus (ID, WTU; 2001)

var. palmatus (ID, WTU; 2001)

{var. sagittatus}

Pseudognaphalium

{Pseudognaphalium microcephalum}

Pseudognaphalium stramineum (WS; 1897)

{Pseudognaphalium thermale}

Pyrrhopappus

{Pyrrhopappus carolinianus}

Pyrrocoma

Pyrrocoma carthamoides (RM; 2001)

{var. carthamoides}

var. cusickii (RM; 2001)

{Pyrrocoma hirta}

{var. hirta}

Rhaponticum

Rhaponticum repens (WCW, WS, WTU; 1995)

Rudbeckia

Rudbeckia occidentalis (WS; 1954)

Senecio

Senecio condensatus (ID, WS; 1936)

Senecio crassulus (ID, RM, WCW; 2001)

Senecio hydrophiloides (WS, WTU; 1897)

{Senecio hydrophilus}

Senecio integerrimus (RM, WS; 2001)

var. exaltatus (RM, WS; 2001)

{var. ochroleucus}

Senecio serra (WS; 1897)

var. serra (WS; 1897)

Senecio sphaerocephalus (WCW; 2007)

Senecio triangularis (RM; 2001)

Senecio vulgaris (WS, WTU; 2005)

Solidago

Solidago canadensis (WCW; 1975)

Solidago elongata (WS; 1958)

Solidago gigantea (OSC; 1896)

Solidago lepida (ID, WS; 1981)

var. salebrosa (ID, WS; 1981)

Sonchus

{Sonchus arvensis}

{ssp. uliginosus}

Sonchus asper (WCW; 1978)

Sonchus oleraceus (WCW, WS; 1979)

Stenotus

Stenotus lanuginosus (WS, WTU; 1896)

var. lanuginosus (WS; 1896)

Stephanomeria

{Stephanomeria paniculata}

Stephanomeria tenuifolia (WTU; 1934)

Symphyotrichum

Symphyotrichum ascendens (WS; 1974)

Symphyotrichum bracteolatum (WCW, WS; 1918)

Symphyotrichum campestre (WS; 1967)

Symphyotrichum chilense (OSC, WS; 1982)

Symphyotrichum ×columbianum (WS; 1897)

Symphyotrichum ericoides (WS; 1996)

var. pansum (WS; 1996)

Symphyotrichum foliaceum (RM, WS; 2001)

Symphyotrichum frondosum (WS; 1958)

{Symphyotrichum jessicae}

Symphyotrichum laeve (WCW, WS; 1910)

var. concinnum (WCW; 1910)

var. geyeri (WS; 1897)

{Symphyotrichum lanceolatum}

{var. hesperium}

Symphyotrichum spathulatum (WCW, WS; 1979)

Symphyotrichum subspicatum (WS, WTU; 1979)

Tanacetum

Tanacetum parthenium (WS, WTU; 1973)

Tanacetum vulgare (WCW, WTU; 2009)

Taraxacum

Taraxacum erythrospermum (WCW, WS; 1974)

Taraxacum officinale (CIC, WCW, WS, WTU; 2009)

ssp. officinale (WCW; 2008)

Tetradymia

{Tetradymia canescens}

Townsendia

Townsendia florifer (OSC, SRP, WS; 1966)

Tragopogon

Tragopogon dubius (EWU, WCW, WS; 2010)

Tragopogon miscellus (WCW; 1998)

Tragopogon porrifolius (PSM, WCW, WS; 1951)

Tragopogon pratensis (WS; 1958)

Tripleurospermum

{Tripleurospermum inodorum}

Tripleurospermum maritimum (ID; 1974)

Wyethia

Wyethia amplexicaulis (WCW, WS; 1982)

Xanthium

Xanthium spinosum (WCW, WS; 1939)

Xanthium strumarium (WCW, WS; 1975)

BALSAMINACEAE:

Impatiens

{Impatiens aurella}

BERBERIDACEAE:

Mahonia

Mahonia aquifolium (WCW, WS; 2004)

Mahonia nervosa (WS; 1975)

Mahonia repens (WCW, WS, WSTC; 1994)

Vancouveria

{Vancouveria hexandra}

BETULACEAE:

Alnus

Alnus incana (WCW, WS, WTU; 2009)

ssp. tenuifolia (WS, WTU; 2009)

Alnus rhombifolia (HPSU, ID, WCW, WS, WTU; 1994)

Alnus rubra (ID, SRP; 2006)

Alnus serrulata (WCW; 1985)

Alnus viridis (RM, WCW, WS, WSTC; 2001)

ssp. sinuata (RM, WCW, WS, WSTC; 2001)

Betula

Betula occidentalis (OSC, SRP, WCW, WS; 1978)

Betula papyrifera (WS; 1979)

BIGNONIACEAE:

Catalpa

Catalpa bignonioides (WTU; 2019)

BORAGINACEAE:

Amsinckia

Amsinckia intermedia (WCW, WS, WTU; 2008)

Amsinckia lycopsoides (CIC, PSM, WCW, WS; 2008)

Amsinckia menziesii (HPSU, WCW, WS; 1977)

Amsinckia retrorsa (WCW, WS, WTU; 2008)

Amsinckia tessellata (WCW, WS, WTU; 2011)

Anchusa

{Anchusa officinalis}

Asperugo

Asperugo procumbens (WCW, WS; 2006)

Buglossoides

{Buglossoides arvensis}

Capnorea

Capnorea villosula (WS; 1923)

Cryptantha

Cryptantha affinis (WS; 1897)

Cryptantha ambigua (WCW, WS; 1950)

{Cryptantha fendleri}

Cryptantha flaccida (WCW, WS; 1992)

Cryptantha intermedia (WCW, WS; 2003)

{var. hendersonii}

Cryptantha pterocarya (OSC, WS; 1983)

Cryptantha rostellata (WCW; 1967)

Cryptantha simulans (CIC, WCW; 1972)

Cryptantha torreyana (WS; 1982)

{var. torreyana}

Cynoglossum

{Cynoglossum officinale}

Eritrichium

Eritrichium argenteum (WS; 1976)

Eritrichium tenellum (WCW; 1887)

Greeneocharis

{Greeneocharis circumscissa}

Hackelia

Hackelia hispida (WS; 1970)

Hackelia micrantha (WS; 1982)

Lappula

{Lappula longispina}

Lappula redowskii (WCW, WS; 1967)

{var. cupulata}

var. redowskii (WS; 1966)

{Lappula squarrosa}

Lithospermum

Lithospermum ruderale (WS; 1974)

Mertensia

{Mertensia ciliata}

{var. ciliata}

Mertensia longiflora (WCW, WS; 1968)

Mertensia oblongifolia (WS; 1973)

Mertensia paniculata (RM, WS; 2001)

var. borealis (WS; 1982)

var. laevigata (WS; 1896)

{Mertensia platyphylla}

Mertensia pulchella (WS; 1923)

{Mertensia umbratilis}

Myosotis

Myosotis discolor (WCW; 2006)

Myosotis laxa (WCW, WS; 1975)

Myosotis micrantha (WS; 1982)

Myosotis scorpioides (WS, WTU; 1979)

Myosotis sylvatica (WCW; 2006)

Myosotis verna (WS; 1982)

Oreocarya

Oreocarya glomerata (WS; 1939)

Oreocarya leucophaea (OSC, WS; 1980)

{Oreocarya spiculifera}

Pectocarya

{Pectocarya penicillata}

Plagiobothrys

{Plagiobothrys hispidulus}

Plagiobothrys scouleri (WS; 1982)

Plagiobothrys tenellus (WS; 1975)

Sonnea

{Sonnea hispida}

BRASSICACEAE:

Alyssum

Alyssum alyssoides (WCW; 1948)

Arabis

{Arabis crucisetosa}

{Arabis eschscholtziana}

Arabis gerardii (WS; 1897)

Athysanus

{Athysanus pusillus}

Barbarea

Barbarea orthoceras (WS, WTU; 1944)

Barbarea verna (WCW; 2008)

Barbarea vulgaris (WCW, WS; 1964)

Boechera

{Boechera atrorubens}

{Boechera divaricarpa}

{Boechera pauciflora}

{Boechera puberula}

{Boechera retrofracta}

Boechera suffrutescens (RM; 2001)

Brassica

{Brassica elongata}

Brassica napus (WS; 1983)

Brassica nigra (WS; 1958)

Brassica rapa (HPSU, WCW; 2006)

Camelina

Camelina microcarpa (WCW, WS; 1936)

Capsella

Capsella bursa-pastoris (CIC, HPSU, WCW, WS; 2008)

Cardamine

{Cardamine angulata}

Cardamine breweri (WCW; 1966)

Cardamine cordifolia (WS; 1897)

Cardamine diphylla (WS; 1896)

Cardamine hirsuta (WS; 1897)

{Cardamine nuttallii}

Cardamine oligosperma (WCW, WS; 2004)

Cardamine parviflora (WCW; 1997)

Cardamine pensylvanica (WS; 1944)

Chorispora

Chorispora tenella (CIC, HPSU, WCW, WS, WTU; 2010)

Conringia

{Conringia orientalis}

Descurainia

Descurainia incana (WCW, WS; 2003)

Descurainia incisa (RM, WS; 2001)

ssp. incisa (RM, WS; 2001)

ssp. paysonii (WS; 1983)

Descurainia longepedicellata (CIC, WCW, WS, WTU; 1993)

Descurainia nelsonii (WCW, WS; 2001)

Descurainia pinnata (HPSU, WCW, WS; 2008)

ssp. brachycarpa (WS; 1964)

Descurainia sophia (OSC, WCW, WS; 2008)

Draba

{Draba albertina}

Draba densifolia (OSC, WS, WTU; 1896)

Draba nemorosa (WCW, WS; 1997)

Draba verna (CIC, WCW, WS, WTU; 2009)

Erysimum

Erysimum arenicola (WCW; 2006)

Erysimum capitatum (CIC, ID, OSC, WCW, WS; 2006)

var. capitatum (CIC, WS; 1989)

var. purshii (CIC; 1972)

Erysimum cheiranthoides (WS; 1958)

{Erysimum cheiri}

Erysimum occidentale (PSM, WCW, WS, WTU; 2001)

Erysimum repandum (WS; 1958)

Hornungia

Hornungia procumbens (WCW, WS; 1946)

Idahoa

Idahoa scapigera (WS; 1973)

Lepidium

Lepidium appelianum (WS; 1969)

{Lepidium campestre}

Lepidium densiflorum (WS; 1967)

Lepidium dictyotum (WCW, WS; 1946)

Lepidium draba (PSM, WCW, WS; 2007)

{Lepidium lasiocarpum}

Lepidium latifolium (WTU; 2009)

Lepidium perfoliatum (WCW, WS, WTU; 2008)

Lepidium sativum (WS; 1978)

Lepidium virginicum (WCW, WS; 1983)

ssp. virginicum (WS; 1983)

Lobularia

Lobularia maritima (WCW, WS; 2007)

Lunaria

Lunaria annua (WCW; 2000)

Nasturtium

Nasturtium officinale (WCW, WS; 1977)

Noccaea

Noccaea fendleri (WS, WTU; 1982)

ssp. glauca (WS, WTU; 1982)

Phoenicaulis

{Phoenicaulis cheiranthoides}

Physaria

Physaria carinata (WCW; 1978)

Physaria douglasii (OSC, WCW, WS, WTU; 1950)

ssp. douglasii (WS; 1944)

{ssp. tuplashensis}

{Physaria geyeri}

{Physaria oregona}

Radicula

Radicula nasturtium-aquaticum (WCW; 1965)

Raphanus

Raphanus raphanistrum (WS; 1967)

Rorippa

{Rorippa austriaca}

{Rorippa columbiae}

Rorippa curvisiliqua (OSC, RM, WCW, WS, WTU; 2001)

Rorippa palustris (WCW, WS; 1909)

ssp. palustris (WCW, WS; 1909)

{Rorippa sylvestris}

Sisymbrium

Sisymbrium altissimum (OSC, RM, WCW, WS; 2000)

{Sisymbrium loeselii}

Sisymbrium officinale (WCW, WS; 1965)

Stanleya

Stanleya confertiflora (WCW; 1998)

{Stanleya pinnata}

Stanleya tomentosa (WCW; 1978)

Streptanthella

Streptanthella longirostris (WS; 1903)

Thelypodium

{Thelypodium integrifolium}

Thelypodium laciniatum (EWU, OSC, WS; 1975)

Thelypodium milleflorum (OSC, WS; 1983)

var. milleflorum (WS; 1942)

Thlaspi

Thlaspi arvense (PSM, WS; 1977)

Thysanocarpus

Thysanocarpus curvipes (IDS, WS, WTU; 1974)

Turritis

{Turritis glabra}

CACTACEAE:

Opuntia

Opuntia columbiana (WCW; 1963)

CAMPANULACEAE:

Campanula

Campanula rapunculoides (WS; 1979)

Campanula rotundifolia (WS; 1974)

Githopsis

Githopsis specularioides (WS; 1897)

Triodanis

Triodanis perfoliata (WS; 1923)

CANNABACEAE:

Cannabis

Cannabis sativa (WCW, WS; 1974)

Celtis

Celtis reticulata (WCW, WS; 1932)

Humulus

Humulus lupulus (WCW; 1918)

CAPRIFOLIACEAE:

Lonicera

Lonicera ciliosa (WCW, WS; 1982)

Lonicera involucrata (RM; 2001)

var. involucrata (RM; 2001)

Lonicera utahensis (WCW, WS; 2001)

Symphoricarpos

Symphoricarpos albus (RM, WCW, WS, WTU; 2005)

var. albus (WS; 1982)

var. laevigatus (RM, WCW, WS; 2001)

Symphoricarpos mollis (WCW; 1932)

var. acutus (WCW; 1932)

Symphoricarpos rotundifolius (WS, WTU; 1982)

var. oreophilus (WS; 1896)

var. vaccinioides (WS; 1982)

CARYOPHYLLACEAE:

Arenaria

{Arenaria serpyllifolia}

{var. serpyllifolia}

Cerastium

Cerastium arvense (WS; 1968)

{ssp. strictum}

Cerastium fontanum (WCW, WS; 2003)

ssp. vulgare (WCW, WS; 2003)

Cerastium glomeratum (WS, WSTC, WTU; 1994)

Cerastium nutans (WS; 1944)

Dianthus

{Dianthus armeria}

Dianthus barbatus (WS; 1974)

Eremogone

{Eremogone aculeata}

Eremogone capillaris (WS; 1896)

var. capillaris (WS; 1896)

Eremogone congesta (WS; 1897)

{var. cephaloidea}

{var. congesta}

Eremogone franklinii (OSC, WCW, WS; 1967)

{var. franklinii}

{Eremogone kingii}

{var. glabrescens}

Gypsophila

{Gypsophila paniculata}

Holosteum

Holosteum umbellatum (HPSU, WCW, WS, WTU; 2009)

Moehringia

{Moehringia lateriflora}

Moehringia macrophylla (WS, WSTC; 1994)

Pseudostellaria

Pseudostellaria jamesiana (WCW; 1911)

Sagina

Sagina procumbens (WS; 1944)

{Sagina saginoides}

Saponaria

Saponaria officinalis (ID, RM, WCW, WS, WTU; 1950)

Scleranthus

{Scleranthus annuus}

Silene

Silene antirrhina (WCW; 1974)

Silene douglasii (WS, WTU; 1982)

var. douglasii (WS; 1982)

Silene latifolia (WCW, WS; 1923)

Silene menziesii (WS; 1897)

Silene noctiflora (WCW; 1983)

Silene oregana (WS, WTU; 1982)

Silene scouleri (WS; 1923)

{Silene spaldingii}

{Silene vulgaris}

Spergula

Spergula bocconi (WS; 1982)

Spergularia

Spergularia bocconei (OSC; 1982)

Spergularia diandra (WS; 1937)

Spergularia rubra (RM, WS; 2001)

Stellaria

Stellaria borealis (WS; 1986)

ssp. sitchana (WS; 1986)

Stellaria calycantha (WCW; 1915)

Stellaria crispa (WS; 1896)

Stellaria longifolia (WS; 1982)

{Stellaria longipes}

Stellaria media (WCW, WS, WTU; 1998)

Stellaria nitens (WS; 1923)

Stellaria obtusa (WS; 1896)

Vaccaria

Vaccaria hispanica (WS, WWB; 1929)

CELASTRACEAE:

Paxistima

Paxistima myrsinites (WS; 1973)

CERATOPHYLLACEAE:

Ceratophyllum

Ceratophyllum demersum (WTU; 2019)

CLEOMACEAE:

Cleome

Cleome lutea (OSC, WS; 1990)

ssp. lutea (OSC, WS; 1990)

Peritoma

Peritoma lutea (ID, IDS, OSC, WCW, WTU; 1950)

Peritoma serrulata (WS; 1968)

CONVOLVULACEAE:

Calystegia

Calystegia sepium (WTU; 2019)

ssp. angulata (WTU; 2019)

Convolvulus

Convolvulus arvensis (WCW, WS; 2008)

Cuscuta

Cuscuta californica (WS; 1896)

{var. californica}

Cuscuta campestris (OSC; 1982)

{Cuscuta denticulata}

Cuscuta pentagona (WCW; 1995)

CORNACEAE:

Cornus

{Cornus canadensis}

Cornus nuttallii (WCW; 1997)

Cornus occidentalis (WCW; 1975)

Cornus stolonifera (WCW, WS; 2004)

ssp. stolonifera (WS; 1967)

{Cornus unalaschkensis}

CRASSULACEAE:

Sedum

{Sedum lanceolatum}

{Sedum rupicola}

Sedum stenopetalum (ID, WCW, WS, WTU; 2019)

ssp. stenopetalum (ID, WS, WTU; 2019)

CUCURBITACEAE:

Bryonia

Bryonia alba (WS, WTU; 2006)

{Bryonia dioica}

Citrullus

{Citrullus lanatus}

{var. lanatus}

Echinocystis

Echinocystis lobata (WS; 1979)

DIPSACACEAE:

Dipsacus

Dipsacus fullonum (WCW, WS, WTU; 2009)

EHRETIACEAE:

Tiquilia

{Tiquilia nuttallii}

ELAEAGNACEAE:

Elaeagnus

Elaeagnus angustifolia (NY, WCW, WTU; 2009)

Shepherdia

{Shepherdia canadensis}

ERICACEAE:

Arctostaphylos

{Arctostaphylos nevadensis}

{Arctostaphylos uva-ursi}

Chimaphila

Chimaphila menziesii (WS; 1982)

Chimaphila umbellata (WCW, WS; 1982)

ssp. umbellata (WCW, WS; 1982)

Moneses

{Moneses uniflora}

Monotropa

Monotropa uniflora (WS; 1982)

Orthilia

Orthilia secunda (WS; 1973)

Phyllodoce

{Phyllodoce empetriformis}

Pterospora

Pterospora andromedea (WS; 1982)

Pyrola

Pyrola asarifolia (SRP; 1982)

ssp. asarifolia (SRP; 1982)

{ssp. bracteata}

{Pyrola minor}

Pyrola picta (OSC, PLU, PSM; 1982)

Vaccinium

{Vaccinium cespitosum}

Vaccinium membranaceum (WCW, WS; 1982)

{Vaccinium myrtillus}

Vaccinium scoparium (WS; 1896)

{Vaccinium uliginosum}

EUPHORBIACEAE:

Croton

{Croton setigerus}

Euphorbia

Euphorbia glyptosperma (ID, WTU; 1949)

Euphorbia maculata (ID, WCW, WTU; 2015)

Euphorbia marginata (WS; 1958)

Euphorbia myrsinites (WTU; 2005)

Euphorbia peplus (IDE, WS; 1988)

Euphorbia serpillifolia (WS; 1974)

FABACEAE:

Acmispon

Acmispon americanus (WS, WTU; 1974)

var. americanus (WS; 1974)

Alhagi

Alhagi maurorum (WS; 1967)

Amorpha

Amorpha fruticosa (ID, OSC, SOC, SRP, WS; 1991)

Astragalus

Astragalus adsurgens (WCW; 1932)

Astragalus canadensis (OSC, SRP, WS; 1982)

var. mortonii (OSC, SRP, WS; 1982)

{Astragalus caricinus}

{Astragalus cicer}

Astragalus collinus (WCW, WS; 1983)

var. collinus (WCW, WS; 1983)

Astragalus columbianus (NY; 1883)

{Astragalus curvicarpus}

{Astragalus cusickii}

{var. cusickii}

{Astragalus filipes}

{Astragalus hoodianus}

Astragalus howellii (WCW; 1967)

Astragalus inflexus (WCW, WS; 1992)

{Astragalus lentiginosus}

{var. lentiginosus}

{Astragalus lyallii}

Astragalus misellus (WCW; 1967)

var. misellus (WCW; 1967)

Astragalus miser (WCW; 1967)

Astragalus purshii (CIC, HPSU, NY, WCW, WS; 2000)

{var. concinnus}

var. glareosus (CIC, NY, WS; 1972)

var. purshii (WS; 1968)

var. tinctus (WCW, WS; 1979)

Astragalus reventus (WS; 1977)

{Astragalus riparius}

Astragalus sclerocarpus (NY, OSC, WS; 1980)

Astragalus spaldingii (ID, NY, WS; 1974)

Astragalus succumbens (IDS, NY, OSC, WS, WTU; 1980)

{Astragalus whitneyi}

{var. sonneanus}

Cytisus

Cytisus scoparius (WCW; 2006)

Dalea

Dalea ornata (OSC, WS; 1961)

Gleditsia

Gleditsia triacanthos (WTU; 2019)

Glycyrrhiza

Glycyrrhiza lepidota (ID, WS, WTU; 2009)

Ladeania

Ladeania lanceolata (OSC, WS; 1969)

Lathyrus

Lathyrus japonicus (WS; 1960)

{Lathyrus lanszwertii}

{var. bijugatus}

{Lathyrus latifolius}

Lathyrus nevadensis (IDS, WS; 1983)

var. cusickii (IDS, WS; 1983)

var. nevadensis (WS; 1923)

Lathyrus ochroleucus (WCW; 1923)

Lathyrus pauciflorus (IDS, WS, WTU; 1977)

var. pauciflorus (IDS, WS, WTU; 1977)

Lens

Lens culinaris (WCW; ?)

Lupinus

Lupinus arbustus (WCW; 1979)

Lupinus argenteus (WCW; 1997)

{var. argenteus}

var. holosericeus (WCW; 1997)

Lupinus bicolor (WCW, WS; 2003)

{Lupinus caudatus}

{var. argophyllus}

{Lupinus latifolius}

{var. subalpinus}

Lupinus lepidus (WCW, WS; 1982)

var. aridus (WCW, WS; 1982)

var. cusickii (WS; 1973)

{var. lepidus}

{var. lobbii}

Lupinus leucophyllus (RM, WCW, WS; 2001)

{var. leucophyllus}

{var. tenuispicus}

{Lupinus littoralis}

Lupinus polyphyllus (WS; 1955)

var. humicola (WS; 1955)

var. prunophilus (WS; 1942)

Lupinus pusillus (OSC, WS; 1970)

var. intermontanus (OSC; 1970)

Lupinus rivularis (OSC, WTU; 1911)

Lupinus sabinianus (ID, SOC, WCW, WS, WTU; 1980)

{Lupinus saxosus}

Lupinus sericeus (OSC, SRP, WCW, WS, WTU; 1982)

var. sericeus (SRP, WCW, WS, WTU; 1982)

Lupinus sulphureus (ID, WCW, WS, WTU; 2012)

{var. bingenensis}

var. sulphureus (WS, WTU; 1944)

Medicago

Medicago lupulina (OSC, WCW, WS; 2008)

Medicago sativa (WCW, WS; 1997)

{ssp. falcata}

{ssp. sativa}

Melilotus

Melilotus albus (WCW, WS, WTU; 1978)

Melilotus officinalis (WCW, WS; 1984)

Onobrychis

Onobrychis viciifolia (WCW; 1975)

Oxytropis

Oxytropis cascadensis (WCW; 1970)

Robinia

Robinia pseudoacacia (WCW, WS, WTU; 2006)

Sphaeorphysa

Sphaeorphysa salsula (WS; 1969)

Sphaerophysa

Sphaerophysa salsula (ID, IDS, OSC, WTU; 1996)

Thermopsis

Thermopsis gracilis (SRP, WCW, WS; 1988)

Thermopsis macrophylla (WCW; 1997)

Thermopsis montana (ID, WCW, WS, WTU; 2008)

var. montana (WCW, WS; 2000)

var. ovata (WCW, WS, WTU; 2004)

Trifolium

{Trifolium aureum}

Trifolium campestre (WCW; 1984)

Trifolium cyathiferum (WS; 1982)

Trifolium dubium (WCW; 1978)

Trifolium eriocephalum (WCW, WTU; 1936)

var. arcuatum (WCW, WTU; 1936)

Trifolium fragiferum (WTU; 1963)

Trifolium hybridum (WS; 1974)

{Trifolium latifolium}

Trifolium longipes (WS; 1980)

var. reflexum (WS; 1980)

Trifolium macrocephalum (WS; 1967)

{Trifolium microcephalum}

Trifolium plumosum (IDS, WS, WTU; 1980)

var. plumosum (WS, WTU; 1980)

Trifolium pratense (WCW, WS; 1982)

Trifolium repens (WCW, WS; 2003)

Trifolium variegatum (OSC; 1894)

Vicia

Vicia americana (EWU, WCW, WS, WTU; 1982)

var. americana (WCW, WS, WTU; 1982)

var. minor (WS; 1897)

Vicia sativa (WCW, WS; 2008)

Vicia villosa (SRP, WCW, WS; 2004)

FAGACEAE:

Fagus

Fagus sylvatica (WS; 1974)

Quercus

Quercus alba (WS; 1974)

Quercus ilicifolia (WCW; 1961)

Quercus rubra (WS; 1974)

GENTIANACEAE:

Centaurium

{Centaurium erythraea}

Frasera

{Frasera fastigiata}

Gentiana

Gentiana affinis (WCW, WS; 1910)

{Gentiana calycosa}

GERANIACEAE:

Erodium

Erodium cicutarium (CIC, WCW, WS, WSTC, WTU; 2010)

Geranium

Geranium bicknellii (WS; 1896)

Geranium carolinianum (WS; 1974)

Geranium molle (WCW; 1982)

Geranium pusillum (WCW, WS; 1934)

Geranium richardsonii (WCW; 1887)

{Geranium robertianum}

Geranium viscosissimum (WCW, WS, WTU; 1982)

var. incisum (WS, WTU; 1973)

var. viscosissimum (WS; 1982)

GROSSULARIACEAE:

Ribes

Ribes aureum (SRP, WCW, WS, WTU; 2009)

var. aureum (WTU; 2009)

{Ribes cereum}

{var. cereum}

Ribes hudsonianum (WS; 1896)

Ribes lacustre (WCW, WS; 1940)

Ribes oxyacanthoides (SRP, WCW, WS; 1985)

var. cognatum (SRP, WCW, WS; 1980)

var. irriguum (WCW; 1963)

{Ribes velutinum}

Ribes viscosissimum (WS, WTU; 1982)

{Ribes wolfii}

HALORAGACEAE:

Myriophyllum

{Myriophyllum sibiricum}

Myriophyllum spicatum (WTU; 2019)

HELIOTROPIACEAE:

Heliotropium

Heliotropium curassavicum (OSC, PLU, WCW, WS, WTU; 2019)

var. obovatum (OSC, WTU; 2019)

HYDRANGEACEAE:

Philadelphus

Philadelphus lewisii (WCW; 1975)

HYDROPHYLLACEAE:

Hesperochiron

Hesperochiron pumilus (WCW, WS; 1971)

Hydrophyllum

Hydrophyllum albifrons (WS; 1923)

Hydrophyllum capitatum (RM, WCW, WS, WSTC; 2004)

var. capitatum (RM, WCW; 2004)

Hydrophyllum fendleri (PSM, WCW, WS; 1983)

var. albifrons (WCW, WS; 1983)

{var. fendleri}

Nemophila

Nemophila breviflora (WS; 1982)

Phacelia

{Phacelia glandulifera}

Phacelia hastata (RM, WCW, WS, WTU; 2001)

var. compacta (WS; 1973)

var. hastata (RM, WCW, WS, WTU; 2001)

var. leptosepala (WS; 1983)

Phacelia heterophylla (ID, RM, WCW, WS, WTU; 2001)

Phacelia idahoensis (WCW; 1953)

Phacelia linearis (WCW, WS; 2003)

HYPERICACEAE:

Hypericum

{Hypericum formosum}

{Hypericum majus}

Hypericum perforatum (WCW, WS, WTU; 2005)

Hypericum scouleri (WS; 1897)

Triadenum

Triadenum walteri (WCW; 1932)

JUGLANDACEAE:

Juglans

Juglans nigra (WCW, WS, WTU; 2006)

Juglans regia (WTU; 2006)

LAMIACEAE:

Agastache

{Agastache urticifolia}

{var. urticifolia}

Clinopodium

Clinopodium douglasii (WS; 1982)

Glechoma

Glechoma hederacea (CIC, WCW, WS; 2007)

Lamium

Lamium amplexicaule (PSM, WCW, WS, WSTC, WTU; 2009)

Lamium purpureum (HPSU, PSM, WCW, WS; 2008)

Lycopus

Lycopus americanus (ID, WS; 1974)

Lycopus asper (ID; 1974)

{Lycopus uniflorus}

Marrubium

Marrubium vulgare (WCW, WS; 1982)

Melissa

Melissa officinalis (WCW, WS; 1979)

Mentha

Mentha canadensis (WCW, WS; 1974)

Mentha ×piperita (WCW, WS; 1982)

var. citrata (WCW; 1918)

Mentha spicata (WCW, WS; 1983)

Mentha suaveolens (WS; 1978)

Monardella

Monardella odoratissima (OSC, WCW, WS; 1982)

ssp. odoratissima (WS; 1896)

Nepeta

Nepeta cataria (WCW, WS; 1985)

Prunella

Prunella vulgaris (USFS, WCW, WS; 1982)

var. lanceolata (USFS, WCW; 1913)

var. vulgaris (WS; 1982)

Salvia

{Salvia aethiopis}

Salvia dorrii (OSC, WCW, WS; 1983)

var. dorrii (OSC; 1896)

var. incana (WCW, WS; 1983)

Scutellaria

{Scutellaria angustifolia}

{ssp. angustifolia}

Stachys

Stachys pilosa (WTU; 2019)

var. pilosa (WTU; 2019)

Trichostema

Trichostema oblongum (WS; 1923)

LIMNANTHACEAE:

Floerkea

{Floerkea proserpinacoides}

LINACEAE:

Linum

Linum lewisii (WCW, WS; 1975)

var. lewisii (WCW, WS; 1975)

Linum perenne (WCW, WS; 1975)

Linum usitatissimum (PSM, WCW; 1995)

LINDERNIACEAE:

Lindernia

Lindernia dubia (WS, WTU; 2005)

LINNAEACEAE:

Linnaea

Linnaea borealis (SRP, WS; 1982)

ssp. longiflora (SRP, WS; 1982)

LOASACEAE:

Mentzelia

Mentzelia albicaulis (CIC, WCW, WS; 1979)

{Mentzelia dispersa}

Mentzelia laevicaulis (WS; 1974)

LYTHRACEAE:

Ammannia

{Ammannia robusta}

Lythrum

{Lythrum salicaria}

Rotala

Rotala ramosior (WTU; 2019)

MAGNOLIACEAE:

Liriodendron

{Liriodendron tulipifera}

MALVACEAE:

Iliamna

Iliamna longisepala (WS; 1974)

Iliamna rivularis (WCW, WS; 1993)

Malva

Malva neglecta (EWU, WCW, WS, WTU; 2007)

Malvella

{Malvella leprosa}

Sidalcea

{Sidalcea neomexicana}

Sidalcea oregana (RM, WS; 2001)

var. oregana (RM, WS; 2001)

Sphaeralcea

{Sphaeralcea grossulariifolia}

Sphaeralcea munroana (PSM, WS; 1964)

MOLLUGINACEAE:

Mollugo

Mollugo verticillata (ID, OSC, WS, WTU; 1949)

MONTIACEAE:

Claytonia

Claytonia arenicola (OSC, WS; 1974)

Claytonia cordifolia (RM, WS; 2001)

{Claytonia exigua}

{ssp. exigua}

Claytonia lanceolata (WCW, WS; 1973)

Claytonia parviflora (WCW, WS; 1964)

Claytonia perfoliata (WCW, WS, WTU; 2003)

var. perfoliata (WCW; 1973)

Claytonia rubra (WS, WTU; 2009)

Claytonia sibirica (WS; 1982)

Lewisia

Lewisia nevadensis (WS; 1973)

{Lewisia pygmaea}

Lewisia triphylla (WS; 1896)

Montia

{Montia dichotoma}

Montia diffusa (WCW; 1973)

{Montia howellii}

Montia linearis (RM, WS, WSTC; 2001)

Montia sibirica (WCW; 1973)

var. sibrica (WCW; 1973)

MORACEAE:

Maclura

Maclura pomifera (WS; 1968)

Morus

Morus alba (WS; 1967)

NAMACEAE:

Nama

{Nama densa}

{var. parviflora}

NYCTAGINACEAE:

Abronia

Abronia mellifera (ID, IDS, OSC, SRP, WCW, WS, WTU; 1992)

OLEACEAE:

Fraxinus

Fraxinus pennsylvanica (WTU; 2019)

Syringa

Syringa vulgaris (WCW; 2008)

ONAGRACEAE:

Camissonia

Camissonia contorta (WS; 1944)

{Camissonia parvula}

{Camissonia pusilla}

Chamaenerion

Chamaenerion angustifolium (WCW; 1948)

{ssp. circumvagum}

Circaea

Circaea alpina (IDS, WS, WTU; 1982)

ssp. pacifica (IDS, WS, WTU; 1982)

Clarkia

Clarkia pulchella (WCW, WS, WTU; 2019)

Clarkia rhomboidea (WS; 1982)

Epilobium

{Epilobium anagallidifolium}

Epilobium brachycarpum (OSC, WCW, WS; 1982)

Epilobium ciliatum (WS; 1937)

Epilobium densiflorum (OSC, WS; 1982)

Epilobium glaberrimum (WS; 1938)

Epilobium glandulosum (SRP, WS; 1982)

Epilobium hallianum (WCW; 1982)

Epilobium hornemannii (WS; 1896)

ssp. hornemannii (WS; 1896)

Epilobium lactiflorum (RM, WS; 2001)

Epilobium minutum (WS; 1942)

Epilobium oregonense (RM; 2001)

Epilobium torreyi (WS; 1982)

Eremothera

{Eremothera pygmaea}

Gayophytum

{Gayophytum diffusum}

Gayophytum humile (WS; 1897)

Ludwigia

Ludwigia palustris (WS; 1897)

Neoholmgrenia

{Neoholmgrenia andina}

Oenothera

Oenothera biennis (WCW, WS, WTU; 2005)

{Oenothera cespitosa}

{ssp. cespitosa}

Oenothera curtiflora (WCW, WS, WTU; 2005)

Oenothera pallida (ID, IDS, OSC, SRP, WCW, WS, WTU, WWB; 1995)

ssp. pallida (WCW; 1979)

Taraxia

{Taraxia subacaulis}

OROBANCHACEAE:

Aphyllon

{Aphyllon corymbosum}

{ssp. mutabile}

Aphyllon fasciculatum (WCW; 1979)

{Aphyllon pinorum}

Aphyllon purpureum (WCW; 1943)

Aphyllon uniflorum (WS; 1923)

Castilleja

Castilleja applegatei (WS; 1923)

var. pinetorum (WS; 1923)

Castilleja crista-galli (WCW; 1910)

{Castilleja cusickii}

Castilleja hispida (WS; 1974)

var. acuta (WS; 1974)

var. hispida (WS; 1974)

{Castilleja linariifolia}

Castilleja miniata (RM, WS; 2001)

var. miniata (RM, WS; 2001)

{Castilleja rhexiifolia}

Castilleja tenuis (WS; 1982)

{Castilleja thompsonii}

Pedicularis

Pedicularis bracteosa (RM, WS; 2001)

var. pachyrhiza (RM, WS; 2001)

Pedicularis contorta (RM; 2001)

var. contorta (RM; 2001)

Pedicularis racemosa (WCW, WS; 1982)

var. alba (WS; 1982)

{var. racemosa}

OXALIDACEAE:

Oxalis

Oxalis corniculata (IDE; 1988)

Oxalis stricta (WCW; 1992)

PAEONIACEAE:

Paeonia

Paeonia brownii (WS, WTU; 1982)

PAPAVERACEAE:

Corydalis

{Corydalis scouleri}

Dicentra

Dicentra cucullaria (EWU, HPSU, WCW, WS, WSTC, WTU; 1994)

{Dicentra formosa}

{ssp. formosa}

Dicentra spectabilis (WCW; 2006)

{Dicentra uniflora}

Eschscholzia

Eschscholzia californica (WCW, WS; 2008)

Fumaria

Fumaria officinalis (WS, WTU; 1969)

Papaver

Papaver argemone (WS; 1973)

Papaver rhoeas (SRP, WS; 1970)

PHRYMACEAE:

Diplacus

{Diplacus nanus}

Erythranthe

Erythranthe breviflora (WCW, WS; 1910)

Erythranthe breweri (WS, WTU; 1896)

Erythranthe floribunda (RM, WCW, WS; 2001)

Erythranthe guttata (WCW, WS, WTU; 1982)

Erythranthe lewisii (RM; 2001)

Erythranthe microphylla (WS; 1974)

Erythranthe moschata (WS; 1982)

Erythranthe nasuta (WCW; 1911)

Erythranthe patula (WTU; 1974)

{Erythranthe tilingii}

Mimulus

Mimulus breviflorus (WS; 1896)

ssp. breviflorus (WS; 1896)

{Mimulus ringens}

PHYTOLACCACEAE:

Phytolacca

Phytolacca americana (WCW; 1942)

var. americana (WCW; 1942)

PLANTAGINACEAE:

Bacopa

Bacopa rotundifolia (WTU; 2019)

Callitriche

Callitriche palustris (WCW; 1932)

Collinsia

Collinsia parviflora (WCW, WS, WSTC, WTU; 1994)

Collinsia rattanii (PSM; 1951)

Collinsia sparsiflora (WCW; 1911)

var. sparsiflora (WCW; 1911)

Gratiola

{Gratiola neglecta}

Linaria

Linaria dalmatica (WCW; 2007)

{ssp. dalmatica}

{Linaria vulgaris}

Penstemon

Penstemon acuminatus (PSM, WCW, WS; 1992)

{var. acuminatus}

Penstemon attenuatus (RM, WS; 2001)

{var. attenuatus}

var. palustris (RM, WS; 2001)

Penstemon confertus (WS; 1911)

Penstemon davidsonii (WS; 1974)

Penstemon deustus (WCW, WS; 2004)

{var. deustus}

{var. variabilis}

{Penstemon eriantherus}

{var. whitedii}

Penstemon fruticosus (NY, WCW, WS, WTU; 1996)

var. fruticosus (WS, WTU; 1996)

var. serratus (NY, WS; 1896)

{Penstemon glaber}

{Penstemon lyallii}

{Penstemon pennellianus}

{Penstemon pruinosus}

Penstemon richardsonii (WTU; 1962)

Penstemon rydbergii (WCW; 1967)

var. rydbergii (WCW; 1967)

Penstemon serrulatus (WS; 1974)

{Penstemon speciosus}

{Penstemon triphyllus}

Penstemon venustus (WCW, WS, WTU; 1982)

{Penstemon wilcoxii}

Plantago

Plantago lanceolata (WCW, WS; 1978)

Plantago major (WCW; 1984)

Plantago patagonica (IDS, WCW, WS, WTU; 2000)

Tonella

Tonella floribunda (OSC, REED, WTU; 1996)

Veronica

Veronica adoensis (WCW; 1911)

Veronica americana (WCW, WS; 1982)

Veronica anagallis-aquatica (ID, WS; 1974)

Veronica arvensis (OSC, WCW, WS; 1998)

{Veronica chamaedrys}

Veronica hederifolia (IDE, WCW, WS; 1975)

Veronica missurica (WS, WTU; 1982)

ssp. missurica (WS, WTU; 1982)

{Veronica officinalis}

Veronica peregrina (WS; 1939)

var. xalapensis (WS; 1939)

Veronica persica (WCW, WS, WTU; 2017)

Veronica polita (WS; 1947)

Veronica rubra (WCW, WS; 1979)

Veronica serpyllifolia (WS; 1982)

{var. humifusa}

Veronica wormskjoldii (WS; 1982)

PLATANACEAE:

Platanus

Platanus ×hispanica (WTU; 2019)

Platanus occidentalis (WCW, WTU; 2017)

POLEMONIACEAE:

Aliciella

Aliciella leptomeria (WCW; 2001)

{Aliciella lottiae}

Collomia

Collomia grandiflora (WCW, WS; 1982)

{Collomia heterophylla}

Collomia linearis (RM, SRP, WCW, WS; 2001)

{Collomia tinctoria}

Eriastrum

{Eriastrum wilcoxii}

Gilia

Gilia capitata (WCW; 1910)

{Gilia inconspicua}

Gilia sinuata (OSC, WCW, WS; 1979)

Ipomopsis

Ipomopsis aggregata (WCW, WS; 1982)

ssp. aggregata (WS; 1982)

Leptosiphon

{Leptosiphon harknessii}

Leptosiphon liniflorus (WS; 1903)

Leptosiphon nuttallii (RM, WS; 2001)

ssp. nuttallii (RM; 2001)

Leptosiphon septentrionalis (WS; 1982)

Linanthus

{Linanthus pungens}

Microgilia

{Microgilia minutiflora}

Microsteris

Microsteris gracilis (WCW, WS; 1998)

Navarretia

{Navarretia divaricata}

{ssp. divaricata}

Navarretia intertexta (RM, WCW, WS; 2001)

{Navarretia linearifolia}

{ssp. linearifolia}

{Navarretia propinqua}

Navarretia squarrosa (WS; 1974)

Phlox

{Phlox austromontana}

{ssp. austromontana}

Phlox caespitosa (WCW, WS; 2007)

{Phlox diffusa}

Phlox gracilis (WS; 1982)

var. humilis (WS; 1982)

Phlox hoodii (WS; 1944)

ssp. canescens (WS; 1944)

Phlox longifolia (CIC, HPSU, OSC, PSM, WCW, WS, WTU; 2011)

{Phlox multiflora}

{Phlox solivaga}

Phlox speciosa (WS; 1923)

Phlox viscida (RM, WCW, WS; 1982)

Polemonium

Polemonium californicum (RM, WCW, WS, WTU; 2001)

Polemonium micranthum (WCW, WS; 1977)

Polemonium occidentale (WS; 1973)

Polemonium pulcherrimum (WS; 1923)

POLYGONACEAE:

Bistorta

Bistorta bistortoides (RM; 2001)

Chorizanthe

{Chorizanthe watsonii}

Eriogonum

{Eriogonum baileyi}

{var. baileyi}

{Eriogonum caespitosum}

Eriogonum compositum (WCW, WS; 1985)

var. compositum (WS; 1981)

{var. lancifolium}

{var. leianthum}

{Eriogonum douglasii}

{var. douglasii}

Eriogonum flavum (NY, RM, WS, WTU; 2001)

var. piperi (NY, RM, WS, WTU; 2001)

Eriogonum heracleoides (RM, WS; 2001)

{Eriogonum microtheca}

{var. laxiflorum}

Eriogonum niveum (WCW, WS; 1982)

{Eriogonum nudum}

{Eriogonum ovalifolium}

{var. nivale}

Eriogonum strictum (WS, WTU; 1974)

{var. anserinum}

{var. greenei}

var. proliferum (WS, WTU; 1974)

{var. strictum}

{Eriogonum thymoides}

Eriogonum umbellatum (WS, WTU; 1982)

{var. devestivum}

var. ellipticum (WS, WTU; 1982)

{var. majus}

Eriogonum vimineum (WS; 1897)

Fagopyrum

Fagopyrum esculentum (WTU; 2019)

Fallopia

Fallopia baldschuanica (WS; 1987)

Fallopia ×bohemica (WTU; 2019)

Fallopia convolvulus (IDE, WCW, WS; 1992)

{Fallopia sachalinensis}

Oxytheca

{Oxytheca dendroidea}

{ssp. dendroidea}

Persicaria

Persicaria amphibia (WS; 1922)

Persicaria hydropiper (WCW; 1975)

Persicaria lapathifolia (WCW, WS; 1979)

Persicaria maculosa (IDE, WCW, WS; 1974)

Persicaria orientalis (WCW; 1918)

Persicaria punctata (WS; 1973)

Polygonum

Polygonum aviculare (WCW, WS, WTU; 2016)

ssp. aviculare (WCW; 1984)

{ssp. buxiforme}

ssp. depressum (WTU; 2016)

Polygonum douglasii (WS; 1978)

Polygonum majus (OSC, WCW, WS; 1995)

Polygonum minimum (WS; 1896)

Polygonum polygaloides (OSC, WS; 1896)

ssp. kelloggii (OSC, WS; 1896)

Rumex

Rumex acetosella (ID, RM, WCW, WS; 2001)

Rumex crispus (WCW; 2006)

{Rumex maritimus}

{ssp. fueginus}

{Rumex obtusifolius}

Rumex occidentalis (WCW; 1993)

Rumex patientia (WCW; 1975)

Rumex salicifolius (OSC, WS, WTU; 1974)

var. triangulivalvis (WTU; 1934)

{Rumex stenophyllus}

Rumex venosus (HPSU, ID, OSC, WCW, WS, WTU; 2011)

PORTULACACEAE:

Portulaca

Portulaca oleracea (WCW; 1932)

PRIMULACEAE:

Dodecatheon

Dodecatheon alpinum (WCW; 2000)

Dodecatheon conjugens (WCW, WS, WSTC; 1994)

Dodecatheon jeffreyi (WCW; 1997)

Dodecatheon poeticum (PSM; 1950)

Dodecatheon pulchellum (WCW, WS, WTU; 2008)

var. cusickii (WCW, WS, WTU; 2006)

var. pulchellum (WCW, WS; 2008)

Lysimachia

Lysimachia ciliata (WCW; 1946)

Lysimachia europaea (WCW; 1967)

Lysimachia latifolia (WS; 1942)

RANUNCULACEAE:

Aconitum

Aconitum columbianum (OSC, RM, WCW, WS; 2001)

ssp. columbianum (OSC, RM, WCW, WS; 2001)

Actaea

Actaea rubra (WCW, WS; 1982)

Anemone

{Anemone deltoidea}

Anemone oregana (PLU, WCW; 1992)

var. oregana (PLU; 1974)

Anemone piperi (IDS, WCW, WS; 1983)

Anemone quinquefolia (WS; 1923)

Aquilegia

Aquilegia formosa (IDS, PLU, RM, WCW, WS; 2001)

var. formosa (WS; 1973)

Ceratocephala

Ceratocephala testiculata (WS; 1970)

Clematis

Clematis ligusticifolia (IDE, PLU, WCW, WS; 1988)

Clematis occidentalis (WS; 1923)

{var. grosseserrata}

Delphinium

Delphinium andersonii (WCW; 1979)

Delphinium bicolor (WS; 1923)

Delphinium ×burkei (WS; 1976)

Delphinium depauperatum (WS; 1942)

{Delphinium distichum}

Delphinium glaucum (RM; 2001)

{Delphinium lineapetalum}

Delphinium menziesii (IDS; 1963)

Delphinium nuttallianum (CIC, HPSU, OSC, RM, WCW, WS, WTU; 2011)

Delphinium nuttallii (IDS; 1962)

Delphinium occidentale (WS; 1896)

var. griseum (WS; 1896)

{Delphinium trolliifolium}

Halerpestes

Halerpestes cymbalaria (WS; 1974)

Myosurus

{Myosurus apetalus}

{var. borealis}

Myosurus minimus (WS; 1939)

Nigella

{Nigella damascena}

Ranunculus

Ranunculus acris (WCW; 2000)

Ranunculus adoneus (WCW; 1972)

Ranunculus aquatilis (WCW, WS; 1923)

var. aquatilis (WCW; 1923)

{var. diffusus}

Ranunculus bulbosus (WCW; 2007)

Ranunculus eschscholtzii (WCW; 1992)

var. suksdorfii (WCW; 1992)

Ranunculus flabellaris (WCW, WS; 1923)

{Ranunculus flammula}

{var. ovalis}

Ranunculus glaberrimus (CIC, PSM, WCW, WS; 2000)

var. ellipticus (WCW; 1972)

var. glaberrimus (CIC, WCW, WS; 1974)

Ranunculus gmelinii (WS; 1944)

Ranunculus macounii (CIC; 1972)

Ranunculus occidentalis (WS; 1955)

Ranunculus orthorhynchus (IDS, WS; 1964)

var. platyphyllus (IDS, WS; 1964)

Ranunculus pensylvanicus (WS; 1923)

{Ranunculus populago}

Ranunculus purshiana (WS; 1942)

Ranunculus repens (EWU, WCW, WS; 2006)

Ranunculus sceleratus (ID, WCW, WS; 1982)

var. multifidus (WS; 1974)

var. sceleratus (ID; 1974)

Ranunculus uncinatus (SRP, WCW, WS; 1982)

Thalictrum

{Thalictrum fendleri}

Thalictrum occidentale (WS; 1973)

Trautvetteria

Trautvetteria caroliniensis (RM, WS; 2001)

RHAMNACEAE:

Ceanothus

Ceanothus sanguineus (PLU, WCW, WS, WTU; 1982)

Ceanothus velutinus (RM; 2001)

var. velutinus (RM; 2001)

Frangula

Frangula purshiana (PLU, WCW, WS; 1977)

Rhamnus

{Rhamnus alnifolia}

ROSACEAE:

Amelanchier

Amelanchier alnifolia (WCW, WS; 2007)

Amelanchier caroliniensis (WS; 1966)

Cercocarpus

Cercocarpus ledifolius (WS, WTU; 1896)

var. intermontanus (WTU; 1896)

Cotoneaster

Cotoneaster lucidus (WS, WTU; 2006)

Crataegus

{Crataegus castlegarensis}

Crataegus chrysocarpa (WCW; 1964)

var. piperi (WCW; 1964)

Crataegus douglasii (PLU, WCW, WS; 2006)

Crataegus monogyna (WTU; 2005)

Crataegus oxyacantha (WS; 1911)

Dasiphora

Dasiphora fruticosa (ID, WCW; 2011)

Drymocallis

{Drymocallis arguta}

Drymocallis glandulosa (WCW, WS; 1982)

ssp. glabrata (WS; 1973)

ssp. glandulosa (WS; 1896)

ssp. pseudorupestris (WS; 1982)

Drymocallis lactea (SRP; 1977)

Fragaria

Fragaria vesca (IDS, WCW, WS; 1982)

ssp. californica (IDS, WS; 1982)

Fragaria virginiana (WCW, WS; 2004)

ssp. glauca (WCW, WS; 2004)

Geum

{Geum aleppicum}

Geum macrophyllum (WS; 1982)

Geum triflorum (WS; 1982)

Geum urbanum (ID; 2019)

Holodiscus

Holodiscus discolor (RM, WCW, WS; 2001)

Horkelia

Horkelia californica (WCW; 1932)

{Horkelia fusca}

{var. capitata}

{var. fusca}

Ivesia

Ivesia gordonii (WS; 1896)

var. gordonii (WS; 1896)

Malus

Malus pumila (WCW, WS, WTU; 2006)

Physocarpus

Physocarpus malvaceus (WCW, WS; 1982)

Potentilla

Potentilla argentea (WS; 1982)

Potentilla biennis (WCW, WS; 1944)

Potentilla gracilis (WS; 1982)

var. flabelliformis (WS; 1982)

Potentilla norvegica (WCW, WS; 1975)

{Potentilla recta}

Potentilla rivalis (WS, WTU; 1935)

{Potentilla supina}

{ssp. paradoxa}

Poteridium

Poteridium annuum (WS; 1982)

Prunus

{Prunus americana}

{Prunus armeniaca}

Prunus avium (IDS, WCW, WS, WTU; 2007)

Prunus cerasus (WCW, WS; 1998)

{Prunus domestica}

Prunus emarginata (RM, WCW, WS; 2008)

Prunus mahaleb (WCW, WS; 2003)

Prunus pensylvanica (WCW; 2006)

Prunus serotina (WS; 1974)

Prunus subcordata (WCW; 1992)

Prunus virginiana (WCW, WS; 2007)

Purshia

Purshia tridentata (OSC, WCW; 2001)

{var. tridentata}

Rosa

Rosa canina (WCW; 2000)

Rosa gymnocarpa (PSM, WS; 1982)

Rosa laciniatus (PLU; 1975)

Rosa multiflora (ID; 1974)

Rosa nutkana (ID, WCW, WS, WTU; 2004)

ssp. macdougalii (WCW, WS, WTU; 2004)

Rosa pisocarpa (WCW; 1932)

Rosa rubiginosa (WCW; 1982)

Rosa woodsii (ID, IDS, PLU, RM, WCW, WS, WTU; 2011)

Rubus

Rubus armeniacus (PSM, WTU; 2005)

Rubus bifrons (WCW, WTU; 2009)

Rubus laciniatus (WTU; 2009)

Rubus leucodermis (PSM, WS; 1982)

Rubus parviflorus (PSM, RM, WS; 2001)

Rubus ursinus (WS; 1971)

Sanguisorba

Sanguisorba stipulata (RM; 2001)

Sibbaldia

Sibbaldia procumbens (WS; 1896)

Sorbus

Sorbus scopulina (RM, WS; 2001)

{Sorbus sitchensis}

Spiraea

Spiraea lucida (ID, RM, WS, WTU; 2001)

Spiraea splendens (RM; 2001)

RUBIACEAE:

Cruciata

{Cruciata pedemontana}

Galium

Galium aparine (WCW, WS, WTU; 2006)

Galium bifolium (RM, WS, WTU; 2001)

Galium boreale (WCW, WS; 1982)

Galium mexicanum (WCW, WS; 1981)

ssp. asperulum (WCW, WS; 1981)

Galium serpenticum (WS; 1896)

ssp. serpenticum (WS; 1896)

Galium trifidum (WCW; 1911)

{Galium triflorum}

Kelloggia

{Kelloggia galioides}

SALICACEAE:

Populus

Populus alba (WCW, WS; 1985)

Populus angustifolia (WCW; 1985)

{Populus deltoides}

Populus ×hastata (WS; 1967)

Populus tremuloides (WCW; 1992)

Populus trichocarpa (WCW, WS; 1994)

Salix

Salix amygdaloides (HPSU, WCW, WS; 2003)

Salix eriocephala (WS; 1971)

Salix exigua (WS, WSTC; 1994)

var. exigua (WS; 1981)

Salix fragilis (WTU; 2019)

Salix gooddingii (WCW; 1964)

Salix hookeriana (WCW; 1963)

Salix interior (WS; 1975)

Salix lasiandra (WCW, WS, WTU; 1994)

var. caudata (WCW, WS, WTU; 1982)

var. lasiandra (WS; 1974)

Salix lasiolepis (WCW, WS; 1982)

Salix lemmonii (WCW, WS; 2007)

Salix lucida (WCW; 1997)

Salix lutea (WS; 1973)

Salix melanopsis (WCW, WS; 1969)

Salix monochroma (WCW, WS; 1969)

Salix prolixa (OSC, WCW, WS; 1994)

Salix scouleriana (RM, WS; 2001)

{Salix ×sepulcralis}

Salix sitchensis (WS; 1896)

SANTALACEAE:

Arceuthobium

{Arceuthobium campylopodum}

{Arceuthobium douglasii}

Comandra

Comandra umbellata (OSC, WCW, WS; 2000)

ssp. californica (WS; 1974)

ssp. pallida (OSC, WCW, WS; 1982)

SAPINDACEAE:

Acer

Acer glabrum (PLU, WCW, WS, WSTC; 2007)

var. douglasii (PLU, WCW, WS; 1994)

Acer negundo (PSM, WCW, WS; 1984)

Acer saccharinum (WCW, WS; 1938)

Aesculus

Aesculus hippocastanum (WCW; 2006)

SARCOBATACEAE:

Sarcobatus

Sarcobatus vermiculatus (WCW, WS; 1985)

SAXIFRAGACEAE:

Heuchera

Heuchera cylindrica (WS; 1982)

{Heuchera grossulariifolia}

{var. grossulariifolia}

{Heuchera micrantha}

{var. micrantha}

Lithophragma

Lithophragma glabrum (WCW, WS, WSTC; 1994)

Lithophragma parviflorum (PLU, WCW, WS; 1998)

Lithophragma tenellum (WCW, WS; 1932)

Micranthes

Micranthes apetala (WS; 1896)

Micranthes fragosa (WS; 1923)

Micranthes integrifolia (WCW, WS; 1973)

Micranthes nidifica (IDS, WS, WTU; 1976)

Micranthes occidentalis (RM, WS; 2001)

Micranthes odontoloma (RM, WCW, WS; 2001)

Micranthes rufidula (WS; 1977)

Mitella

Mitella nuda (WSTC; 1994)

Mitellastra

{Mitellastra caulescens}

Ozomelis

Ozomelis stauropetala (IDS, WCW, WS; 1983)

Pectiantia

Pectiantia breweri (WS; 1923)

Pectiantia pentandra (WS; 1896)

Saxifraga

Saxifraga mertensiana (WCW, WS; 1977)

Tiarella

Tiarella trifoliata (WCW, WS, WTU; 1982)

var. unifoliata (WCW, WS, WTU; 1982)

SCROPHULARIACEAE:

Limosella

{Limosella aquatica}

Scrophularia

Scrophularia lanceolata (WS; 1974)

Verbascum

Verbascum blattaria (WCW, WS; 1993)

Verbascum thapsus (WCW, WS; 1993)

SIMAROUBACEAE:

Ailanthus

Ailanthus altissima (WCW, WTU; 2019)

SOLANACEAE:

Datura

Datura stramonium (WTU; 2019)

Lycium

Lycium barbarum (WTU; 1987)

Nicotiana

Nicotiana acuminata (IDE; ?)

{Nicotiana attenuata}

Solanum

Solanum dulcamara (SRP, WCW, WS; 2000)

Solanum nigrum (WCW; 1933)

{Solanum physalifolium}

Solanum sarachoides (WCW, WS; 1982)

Solanum triflorum (WS; 1974)

TAMARICACEAE:

Tamarix

Tamarix aphylla (WCW; 1970)

Tamarix parviflora (ID; 1974)

{Tamarix ramosissima}

ULMACEAE:

Ulmus

Ulmus americana (WCW, WTU; 2019)

Ulmus pumila (WTU; 2009)

URTICACEAE:

Parietaria

Parietaria pensylvanica (WCW, WS; 1975)

Urtica

Urtica dioica (RM, WCW, WS, WTU; 1982)

ssp. gracilis (RM, WCW, WS, WTU; 1982)

ssp. holosericea (WCW; 1919)

{Urtica urens}

VALERIANACEAE:

Algeria

Algeria grayi (WCW; 1948)

Plectritis

Plectritis macrocera (CIC, WCW, WS, WTU; 1993)

ssp. grayii (WS; 1967)

Valeriana

{Valeriana scouleri}

Valeriana sitchensis (RM, WS; 2001)

Valerianella

Valerianella locusta (IDS, WCW, WS; 2010)

Valerianella macrocera (WCW; 1932)

VERBENACEAE:

Verbena

Verbena bracteata (IDE, WCW, WS, WWB; 1989)

Verbena hastata (WCW, WS; 1974)

Verbena perennis (WCW; 1972)

VIOLACEAE:

Viola

Viola adunca (WCW, WS; 2000)

Viola arvensis (WS; 1974)

Viola canadensis (WCW; 1978)

var. rugulosa (WCW; 1966)

Viola glabella (CIC, ID, IDS, PSM, RM, WCW, WS, WTU; 2001)

Viola nephrophylla (WCW; 2000)

Viola nuttallii (WCW, WS, WSTC; 2004)

var. praemorsa (WS; 1979)

Viola odorata (WS, WTU; 2019)

Viola orbiculata (WS; 1971)

Viola palustris (WS; 1974)

Viola purpurea (WS; 1973)

ssp. venosa (WS; 1973)

VITACEAE:

Parthenocissus

Parthenocissus vitacea (WTU; 2005)

ZYGOPHYLLACEAE:

Tribulus

Tribulus terrestris (OSC, WCW, WS, WTU; 2005)

MONOCOTS:

ACORACEAE:

Acorus

Acorus calamus (WCW; 1910)

ALISMATACEAE:

Alisma

{Alisma gramineum}

Alisma plantago-aquatica (WS; 1896)

Alisma triviale (OSC, WS; 1980)

Sagittaria

Sagittaria latifolia (WS; 1979)

AMARYLLIDACEAE:

Allium

Allium acuminatum (WCW; 1911)

{Allium bisceptrum}

{Allium dictuon}

Allium douglasii (WS; 1982)

Allium fibrillum (OSC, RM, WCW, WS; 2001)

Allium macrum (WS; 1944)

Allium nevii (WCW; 1911)

Allium robinsonii (WCW, WS; 1979)

{Allium tolmiei}

{var. tolmiei}

Galanthus

Galanthus nivalis (WCW; 1973)

Narcissus

Narcissus pseudonarcissus (CIC; 1972)

ARACEAE:

Lemna

Lemna minor (WS; 1979)

Lemna turionifera (WS; 1896)

ASPARAGACEAE:

Asparagus

Asparagus officinalis (PSM, WCW, WS, WTU; 2005)

Brodiaea

Brodiaea coronaria (WCW; 2008)

Camassia

Camassia leichtlinii (WCW; 1966)

Camassia quamash (WCW, WS, WSTC; 1994)

ssp. breviflora (WCW, WS; 1973)

ssp. quamash (WS; 1977)

Maianthemum

Maianthemum racemosum (PSM, WS; 1983)

ssp. amplexicaule (WS; 1983)

Maianthemum stellatum (PSM, WCW, WS; 1978)

Muscari

Muscari armeniacum (WCW; 1998)

Muscari botryoides (WCW; 2001)

Ornithogalum

Ornithogalum umbellatum (WCW; 2006)

Triteleia

Triteleia grandiflora (PSM, WCW, WS, WTU; 2007)

var. grandiflora (WCW; 2007)

var. howellii (WCW; 2000)

BUTOMACEAE:

Butomus

Butomus umbellatus (WTU; 2019)

CYPERACEAE:

Bolboschoenus

{Bolboschoenus maritimus}

{ssp. paludosus}

Carex

Carex amplifolia (WS; 1975)

Carex aquatilis (WCW; 1975)

var. dives (WCW; 1975)

Carex bolanderi (WS; 1896)

{Carex brevior}

{Carex canescens}

{Carex deweyana}

Carex douglasii (ID, WS; 1911)

Carex geyeri (WS; 1964)

Carex haydeniana (WS; 1896)

{Carex hendersonii}

{Carex hystericina}

Carex kelloggii (RM; 2001)

var. kelloggii (RM; 2001)

Carex laeviculmis (WS; 1897)

Carex lasiocarpa (ID, WCW; 1975)

{Carex lenticularis}

{var. lenticularis}

Carex microptera (WS; 1896)

Carex nebrascensis (WS; 1923)

Carex pachycarpa (WS; 1929)

Carex pachystachya (RM, WS; 2001)

ssp. pachystachya (WS; 1897)

Carex pellita (WS; 1975)

Carex praegracilis (PSM, WS; 1959)

{Carex praticola}

Carex preslii (WS; 1896)

Carex retrorsa (WS; 1947)

{Carex rossii}

Carex stipata (WCW, WS, WTU; 1975)

var. stipata (WS, WTU; 1975)

{Carex subfusca}

Carex utriculata (WS; 1897)

{Carex viridula}

{ssp. viridula}

{Carex vulpinoidea}

Cyperus

{Cyperus bipartitus}

Cyperus diandrus (WTU; 2019)

{Cyperus difformis}

Cyperus erythrorhizos (WS; 1974)

{Cyperus esculentus}

Cyperus squarrosus (WTU; 2005)

Cyperus strigosus (WS, WTU; 2008)

Eleocharis

{Eleocharis acicularis}

Eleocharis macrostachya (WS; 1947)

Eleocharis obtusa (WS; 1974)

Eleocharis ovata (WS; 1974)

{Eleocharis palustris}

Lipocarpha

{Lipocarpha aristulata}

Schoenoplectus

Schoenoplectus acutus (WS, WTU; 2019)

Schoenoplectus americanus (WCW, WS; 1985)

Schoenoplectus tabernaemontani (WCW, WS, WTU; 1975)

Scirpus

Scirpus microcarpus (WCW, WS; 1979)

Scirpus pallidus (ID, WS; 1974)

HYDROCHARITACEAE:

Elodea

Elodea canadensis (WS, WTU; 2019)

Elodea nuttallii (WTU; 2019)

Najas

{Najas canadensis}

{Najas flexilis}

IRIDACEAE:

Iris

Iris missouriensis (WCW, WS; 1979)

Iris pseudacorus (WCW, WS; 1979)

Olsynium

Olsynium douglasii (CIC, PLU, PSM, WCW, WS; 1976)

var. inflatum (CIC, PLU, WCW, WS; 1976)

Olsynium grandiflorum (IDS; 1936)

JUNCACEAE:

Juncus

Juncus articulatus (WTU; 1963)

ssp. articulatus (WTU; 1963)

Juncus balticus (WCW, WS; 1983)

ssp. ater (WCW; 1983)

Juncus bufonius (WS; 1982)

{Juncus confusus}

Juncus drummondii (WS; 1896)

Juncus dudleyi (WS, WTU; 1947)

Juncus effusus (WS, WTU; 2005)

{ssp. effusus}

ssp. pacificus (WTU; 2002)

ssp. solutus (WS, WTU; 2005)

Juncus ensifolius (WS, WTU; 1982)

Juncus howellii (RM; 2001)

Juncus laccatus (OSC; 1980)

{Juncus longistylis}

Juncus mertensianus (WS; 1896)

Juncus orthophyllus (RM; 2001)

{Juncus parryi}

{Juncus regelii}

Juncus saximontanus (WS; 1896)

Juncus tenuis (WS; 1982)

Juncus torreyi (WS; 1947)

Luzula

{Luzula comosa}

{var. laxa}

Luzula multiflora (WS; 1982)

Luzula parviflora (WS; 1982)

JUNCAGINACEAE:

Triglochin

{Triglochin maritima}

LILIACEAE:

Calochortus

Calochortus elegans (WCW, WS, WTU; 1982)

var. elegans (WS; 1968)

Calochortus macrocarpus (ID, WS; 1974)

Calochortus nitidus (WCW; 1923)

{Calochortus subalpinus}

Clintonia

Clintonia uniflora (PSM, WCW, WS; 1982)

Erythronium

Erythronium grandiflorum (EWU, OSC, PSM, WCW, WS; 1999)

var. grandiflorum (WCW, WS; 1974)

var. parviflorum (OSC; 1896)

Fritillaria

Fritillaria pudica (PLU, PSM, WCW, WS, WTU; 2000)

Prosartes

Prosartes hookeri (PSM, WCW, WS; 1983)

Prosartes smithii (PSM; 1970)

{Prosartes trachycarpa}

Streptopus

Streptopus amplexifolius (WS; 1896)

{Streptopus lanceolatus}

MELANTHIACEAE:

Toxicoscordion

Toxicoscordion paniculatum (WS; 1942)

Toxicoscordion venenosum (WCW, WS; 1965)

var. gramineum (WCW, WS; 1965)

Trillium

{Trillium ovatum}

{var. ovatum}

Trillium petiolatum (PSM, WS; 1973)

Veratrum

Veratrum californicum (WS; 1982)

{var. californicum}

Veratrum viride (RM, WCW, WS; 2001)

var. eschscholzianum (RM, WS; 2001)

ORCHIDACEAE:

Calypso

Calypso bulbosa (PSM, WCW, WS, WTU; 2017)

{var. americana}

var. occidentalis (WS, WTU; 2017)

Cephalanthera

Cephalanthera austiniae (WCW, WS; 1944)

Corallorhiza

Corallorhiza maculata (WS; 1982)

var. occidentalis (WS; 1982)

{Corallorhiza mertensiana}

Corallorhiza striata (IDS, WCW, WS; 1977)

var. striata (IDS, WS; 1977)

Corallorhiza trifida (WS; 1982)

Cypripedium

Cypripedium montanum (WCW, WS; 1923)

Goodyera

Goodyera oblongifolia (WCW, WS; 1982)

Neottia

Neottia banksiana (WS; 1982)

Neottia convallarioides (WS, WTU; 1896)

Platanthera

Platanthera dilatata (WS; 1982)

{var. dilatata}

var. leucostachys (WS; 1982)

{Platanthera elegans}

{ssp. elegans}

{Platanthera elongata}

Platanthera leucophaea (WCW; 1887)

Platanthera stricta (RM; 2001)

{Platanthera unalascensis}

POACEAE:

Achnatherum

{Achnatherum contractum}

Achnatherum hymenoides (WCW, WS; 2003)

{Achnatherum lemmonii}

{ssp. lemmonii}

{Achnatherum nelsonii}

{ssp. dorei}

{Achnatherum occidentale}

{ssp. occidentale}

Aegilops

Aegilops cylindrica (WCW, WS; 1980)

Agropyron

Agropyron cristatum (PLU, WCW, WS; 1980)

Agropyron fragile (WS; 1980)

Agrostis

{Agrostis capillaris}

Agrostis exarata (WS; 1897)

{Agrostis idahoensis}

{Agrostis pallens}

{Agrostis scabra}

Agrostis stolonifera (WS; 1899)

Alopecurus

Alopecurus aequalis (WS; 1974)

var. aequalis (WS; 1974)

Alopecurus myosuroides (WCW; 1979)

{Alopecurus pratensis}

Anthoxanthum

{Anthoxanthum odoratum}

Apera

Apera interrupta (ID, WCW; 1981)

Apera spica-venti (RM; 2001)

Aristida

{Aristida purpurea}

{var. longiseta}

Arrhenatherum

Arrhenatherum elatius (WS; 1982)

ssp. elatius (WS; 1955)

Avena

Avena fatua (WCW; 1975)

Bromus

Bromus briziformis (USFS, WS, WTU; 2019)

Bromus ciliatus (WCW; 1975)

Bromus commutatus (WCW; 1975)

Bromus diandrus (WCW, WS; 2008)

Bromus hordeaceus (PSM, WCW, WS; 1982)

{Bromus inermis}

{Bromus porteri}

Bromus secalinus (WS, WTU; 2019)

Bromus sitchensis (RM, WCW, WS; 2001)

var. carinatus (RM, WCW; 2001)

var. marginatus (WS; 1896)

Bromus sterilis (WCW, WS; 2006)

Bromus tectorum (ID, PLU, RM, WCW, WS, WTU; 2011)

Bromus vulgaris (WCW, WS; 1978)

Calamagrostis

Calamagrostis rubescens (WS; 1896)

Cenchrus

Cenchrus longispinus (WS; 1979)

Cinna

Cinna latifolia (RM, WS; 2001)

Crypsis

Crypsis alopecuroides (RM; 1976)

Cynodon

Cynodon dactylon (IDE, WCW, WS; 1988)

Dactylis

Dactylis glomerata (WS; 1965)

Danthonia

{Danthonia unispicata}

Deschampsia

{Deschampsia danthonioides}

{Deschampsia elongata}

Dichanthelium

{Dichanthelium acuminatum}

{ssp. fasciculatum}

Digitaria

Digitaria ischaemum (WWB; 1929)

Digitaria sanguinalis (WCW; 1980)

Diplachne

{Diplachne fusca}

{ssp. fascicularis}

Distichlis

Distichlis spicata (PLU, WCW; 1976)

Echinochloa

Echinochloa crus-galli (WCW, WS; 1982)

Echinochloa muricata (WS; 1922)

var. microstachya (WS; 1922)

Elymus

Elymus albicans (RM; 2001)

Elymus canadensis (WS; 1896)

var. canadensis (WS; 1896)

Elymus elymoides (WS; 1981)

ssp. elymoides (WS; 1981)

{ssp. hordeoides}

Elymus glaucus (RM; 2001)

ssp. glaucus (RM; 2001)

Elymus lanceolatus (WS; 1981)

ssp. lanceolatus (WS; 1981)

{ssp. psammophilus}

Elymus multisetus (WS; 1974)

Elymus repens (WCW, WS; 1982)

Elymus trachycaulus (WCW; 1946)

ssp. trachycaulus (WCW; 1946)

{Elymus wawawaiensis}

Eragrostis

{Eragrostis cilianensis}

Eragrostis hypnoides (WS; 1974)

Eragrostis minor (IDE; 1992)

Eragrostis pectinacea (WTU; 2017)

{var. pectinacea}

Eremopyrum

Eremopyrum triticeum (WCW; 1984)

Festuca

Festuca idahoensis (WCW, WS; 1978)

Festuca occidentalis (WS; 1896)

Festuca subulata (WS; 1896)

{Festuca viridula}

Glyceria

{Glyceria elata}

Glyceria grandis (WS; 1897)

var. grandis (WS; 1897)

Hesperostipa

Hesperostipa comata (EWU, WS; 1981)

ssp. comata (EWU, WS; 1981)

Holcus

{Holcus lanatus}

Hordeum

{Hordeum brachyantherum}

Hordeum jubatum (WCW, WS; 1981)

ssp. jubatum (WS; 1981)

Hordeum marinum (WS; 1902)

ssp. gussoneanum (WS; 1902)

Hordeum murinum (ID, PLU, WCW, WS, WTU; 1982)

ssp. glaucum (WS; 1980)

ssp. leporinum (WS; 1979)

ssp. murinum (WS; 1979)

Hordeum vulgare (WS; 1955)

Koeleria

Koeleria macrantha (WCW, WS; 1978)

Leersia

{Leersia oryzoides}

Leymus

Leymus cinereus (WCW, WS, WSTC; 1994)

Leymus flavescens (WS; 1899)

Leymus triticoides (WS; 1899)

Lolium

Lolium multiflorum (WS; 1980)

Lolium perenne (PLU, WCW, WS; 1976)

Melica

{Melica bulbosa}

{Melica fugax}

{Melica stricta}

Melica subulata (OSC, WCW, WS; 1975)

Muhlenbergia

{Muhlenbergia asperifolia}

Panicum

Panicum capillare (SRP, WS; 1974)

ssp. capillare (WS; 1974)

{Panicum miliaceum}

{ssp. miliaceum}

{ssp. ruderale}

Phalaris

Phalaris arundinacea (ID, WCW, WS; 1975)

Phleum

Phleum pratense (RM, WCW, WS; 2001)

ssp. pratense (WS; 1982)

var. pratense (RM; 2001)

Phragmites

Phragmites australis (WS, WTU; 2011)

ssp. australis (WTU; 2011)

Poa

Poa annua (WS; 1979)

Poa bolanderi (WS; 1896)

Poa bulbosa (WCW, WS, WSTC, WTU; 2009)

ssp. vivipara (WS, WTU; 2009)

Poa compressa (RM, WCW; 2001)

{Poa cusickii}

{ssp. cusickii}

{Poa howellii}

{Poa interior}

{Poa leibergii}

Poa nemoralis (WCW; 1948)

{Poa nervosa}

{Poa palustris}

Poa pratensis (WCW, WS; 1955)

Poa secunda (RM, WCW, WS, WTU; 2011)

ssp. juncifolia (WCW, WS, WTU; 2011)

ssp. secunda (WCW, WS, WTU; 2009)

Poa trivialis (WCW; 1975)

{Poa wheeleri}

Polypogon

Polypogon monspeliensis (ID, RM, WCW, WS, WWB; 1982)

Pseudoroegneria

Pseudoroegneria spicata (WCW, WS, WTU; 1984)

Schedonorus

Schedonorus arundinaceus (ID, WCW; 1981)

Schedonorus pratensis (WCW; 1978)

Sclerochloa

Sclerochloa dura (PSM; 1950)

Secale

Secale cereale (WCW, WS; 1979)

Setaria

{Setaria italica}

Setaria pumila (WTU; 2005)

ssp. pumila (WTU; 2005)

Setaria viridis (WCW, WS; 1978)

Spartina

Spartina pectinata (WTU; 2019)

Sporobolus

{Sporobolus compositus}

{var. compositus}

Taeniatherum

{Taeniatherum caput-medusae}

Thinopyrum

Thinopyrum intermedium (WS; 1899)

ssp. intermedium (WS; 1899)

Thinopyrum ponticum (OSC, WTU; 1997)

Torreyochloa

Torreyochloa pallida (OSC; 1918)

var. pauciflora (OSC; 1918)

Tridens

Tridens albescens (WCW; ?)

Trisetum

{Trisetum canescens}

{Trisetum cernuum}

Trisetum spicatum (WS; 1896)

Triticum

Triticum aestivum (PLU, WCW, WS; 1976)

Vahlodea

Vahlodea atropurpurea (WCW; 1978)

Vulpia

{Vulpia bromoides}

Vulpia microstachys (WTU; 2011)

{var. pauciflora}

Vulpia myuros (WCW; 1982)

Vulpia octoflora (WS; 1911)

var. hirtella (WS; 1911)

var. octoflora (WS; 1903)

Zizania

Zizania aquatica (WCW; 1985)

PONTEDERIACEAE:

Heteranthera

Heteranthera dubia (WTU; 2019)

POTAMOGETONACEAE:

Potamogeton

Potamogeton berchtoldii (WS, WTU; 2019)

Potamogeton crispus (IDS, OSC, RM, WTU; 2019)

Potamogeton epihydrus (WS; 1896)

{Potamogeton foliosus}

Potamogeton gramineus (WTU; 2019)

Potamogeton illinoensis (WTU; 2019)

Potamogeton nodosus (WS, WTU; 2019)

Potamogeton pusillus (WS; 1974)

Potamogeton richardsonii (WTU; 2019)

Stuckenia

Stuckenia pectinata (WS, WTU; 2019)

Zannichellia

{Zannichellia palustris}

TYPHACEAE:

Sparganium

Sparganium angustifolium (WS; 1996)

Typha

Typha angustifolia (ID; 1974)

Typha latifolia (WCW, WS; 1982)