Vascular Plants of Multnomah County, Oregon
Generated from PNW Herbaria database
November 28, 2020.
141 family names
745 genus names
2,262 species/infraspecies names
(names highlighted in brown could not be resolved to an accepted name)
{an additional 488 species/infraspecies are to be expected based on presence in one of these adjacent counties: Clackamas, Columbia; these names are colored gray and enclosed in braces}
Index to Families:
FERNS:
GYMNOSPERMS:
Cupressaceae: Callitropsis, Calocedrus, Chamaecyparis, Juniperus, Platycladus, Sequoia, Sequoiadendron, Thuja
DICOTS:
Amaranthaceae: Amaranthus, Atriplex, Bassia, Beta, Blitum, Chenopodiastrum, Chenopodium, Corispermum, Dysphania, Extriplex, Lipandra, Oxybasis, Salicornia, Salsola, Suaeda
Apiaceae: Aegopodium, Ammi, Anethum, Angelica, Anthriscus, Apium, Bowlesia, Chaerophyllum, Cicuta, Cnidium, Conium, Daucus, Eryngium, Foeniculum, Heracleum, Ligusticum, Lilaeopsis, Lomatium, Myrrhis, Oenanthe, Osmorhiza, Pastinaca, Perideridia, Petroselinum, Peucedanum, Sanicula, Scandix, Sium, Tauschia, Torilis, Zizia
Asteraceae: Acanthospermum, Achillea, Acmella, Adenocaulon, Agoseris, Ambrosia, Anaphalis, Anisocarpus, Antennaria, Anthemis, Arctium, Arnica, Artemisia, Aster, Balsamorhiza, Bellis, Berkheya, Bidens, Boltonia, Brickellia, Canadanthus, Carduus, Carthamus, Centaurea, Chaenactis, Chondrilla, Cichorium, Cirsium, Cladanthus, Conyza, Coreopsis, Cota, Cotula, Crepis, Crocidium, Doronicum, Ericameria, Erigeron, Eriophyllum, Eucephalus, Eupatorium, Eurybia, Euthamia, Gaillardia, Galinsoga, Gamochaeta, Gnaphalium, Grindelia, Gutierrezia, Helenium, Helianthella, Helianthus, Helichrysum, Heliopsis, Hemizonella, Heterotheca, Hieracium, Hulsea, Hypochaeris, Inula, Iva, Jacobaea, Lactuca, Lapsana, Lapsanastrum, Layia, Leontodon, Leucanthemum, Logfia, Madia, Matricaria, Microseris, Mycelis, Nabalus, Nothocalais, Oncosiphon, Onopordum, Oreostemma, Packera, Petasites, Pseudognaphalium, Psilocarphus, Rainiera, Rudbeckia, Senecio, Sericocarpus, Sigesbeckia, Silybum, Solidago, Soliva, Sonchus, Symphyotrichum, Tanacetum, Taraxacum, Tragopogon, Tripleurospermum, Wyethia, Xanthium
Boraginaceae: Adelinia, Amsinckia, Anchusa, Asperugo, Borago, Buglossoides, Cryptantha, Cynoglossum, Gruvelia, Hackelia, Lappula, Mertensia, Myosotis, Pentaglottis, Plagiobothrys, Symphytum
Brassicaceae: Alliaria, Arabidopsis, Arabis, Athysanus, Barbarea, Berteroa, Boechera, Brassica, Camelina, Capsella, Cardamine, Chorispora, Conringia, Descurainia, Diplotaxis, Draba, Eruca, Erysimum, Hesperis, Hirschfeldia, Idahoa, Lepidium, Lobularia, Lunaria, Nasturtium, Neslia, Noccaea, Physaria, Raphanus, Rapistrum, Rorippa, Sinapis, Sisymbrium, Teesdalia, Thelypodium, Thlaspi, Thysanocarpus, Turritis
Caryophyllaceae: Agrostemma, Arenaria, Atocion, Cardionema, Cerastium, Corrigiola, Dianthus, Dichodon, Eremogone, Gypsophila, Herniaria, Holosteum, Illecebrum, Lychnis, Moehringia, Moenchia, Myosoton, Paronychia, Polycarpon, Sabulina, Sagina, Saponaria, Scleranthus, Silene, Spergula, Spergularia, Stellaria, Vaccaria
Ericaceae: Allotropa, Arbutus, Arctostaphylos, Cassiope, Chimaphila, Erica, Gaultheria, Hemitomes, Kalmia, Kalmiopsis, Leucothoe, Moneses, Monotropa, Orthilia, Phyllodoce, Pieris, Pleuricospora, Pterospora, Pyrola, Rhododendron, Vaccinium
Fabaceae: Acmispon, Amorpha, Astragalus, Cicer, Cytisus, Galega, Glycyrrhiza, Hosackia, Laburnum, Ladeania, Lathyrus, Lespedeza, Lotus, Lupinus, Medicago, Melilotus, Ononis, Pueraria, Robinia, Rupertia, Securigera, Thermopsis, Trifolium, Ulex, Vicia
Lamiaceae: Agastache, Ajuga, Ballota, Clinopodium, Galeopsis, Glechoma, Lamium, Leonurus, Lycopus, Marrubium, Melissa, Mentha, Monarda, Origanum, Physostegia, Prunella, Scutellaria, Stachys, Trichostema
Orobanchaceae: Aphyllon, Bellardia, Castilleja, Euphrasia, Kopsiopsis, Orobanche, Orthocarpus, Pedicularis, Rhinanthus, Triphysaria
Papaveraceae: Bikukulla, Capnoides, Chelidonium, Corydalis, Dicentra, Eschscholzia, Fumaria, Glaucium, Papaver
Plantaginaceae: Antirrhinum, Callitriche, Chelone, Collinsia, Cymbalaria, Digitalis, Gratiola, Hebe, Hippuris, Kickxia, Linaria, Misopates, Nothochelone, Nuttallanthus, Penstemon, Plantago, Synthyris, Tonella, Veronica
Polemoniaceae: Collomia, Gilia, Ipomopsis, Leptosiphon, Microgilia, Microsteris, Navarretia, Phlox, Polemonium
Ranunculaceae: Aconitum, Actaea, Anemone, Aquilegia, Caltha, Ceratocephala, Clematis, Coptis, Delphinium, Enemion, Ficaria, Halerpestes, Myosurus, Nigella, Ranunculus, Thalictrum, Trautvetteria
Rosaceae: Agrimonia, Amelanchier, Aphanes, Aruncus, Cercocarpus, Chaenomeles, Comarum, Cotoneaster, Crataegus, Drymocallis, Duchesnea, Fragaria, Geum, Holodiscus, Luetkea, Malus, Oemleria, Physocarpus, Potentilla, Poteridium, Poterium, Prunus, Pyracantha, Pyrus, Rosa, Rubus, Sanguisorba, Sorbus, Spiraea
Saxifragaceae: Bensoniella, Bergenia, Bolandra, Boykinia, Cascadia, Chrysosplenium, Heuchera, Leptarrhena, Lithophragma, Micranthes, Mitellastra, Ozomelis, Pectiantia, Saxifraga, Suksdorfia, Sullivantia, Tellima, Tiarella, Tolmiea
MONOCOTS:
Asparagaceae: Asparagus, Brodiaea, Camassia, Convallaria, Dichelostemma, Hyacinthoides, Maianthemum, Muscari, Quamasia, Triteleia, Unifolium
Cyperaceae: Bolboschoenus, Bulbostylis, Carex, Cyperus, Dulichium, Eleocharis, Eriophorum, Isolepis, Lipocarpha, Rhynchospora, Schoenoplectus, Scirpus, Trichophorum
Orchidaceae: Calypso, Cephalanthera, Corallorhiza, Cypripedium, Epipactis, Goodyera, Neottia, Platanthera, Spiranthes
Poaceae: Achnatherum, Agropyron, Agrostis, Aira, Alopecurus, Amelichloa, Ammophila, Anthoxanthum, Apera, Arrhenatherum, Arundo, Avena, Beckmannia, Brachypodium, Briza, Bromus, Calamagrostis, Cenchrus, Chloris, Cinna, Cladoraphis, Coleanthus, Cortaderia, Crypsis, Cynodon, Cynosurus, Dactylis, Danthonia, Deschampsia, Desmazeria, Dichanthelium, Digitaria, Diplachne, Echinochloa, Eleusine, Elymus, Eragrostis, Festuca, Gastridium, Glyceria, Hesperostipa, Hierochloe, Holcus, Hordeum, Imperata, Koeleria, Leersia, Leymus, Lolium, Melica, Miscanthus, Molineriella, Molinia, Muhlenbergia, Panicum, Parapholis, Pascopyrum, Paspalum, Phalaris, Phleum, Phragmites, Pleuropogon, Poa, Podagrostis, Polypogon, Pseudoroegneria, Rostraria, Schedonorus, Scleropoa, Secale, Setaria, Sorghum, Sporobolus, Thinopyrum, Torreyochloa, Triplasis, Trisetum, Triticum, Urochloa, Vahlodea, Ventenata, Vulpia
FERNS:
Asplenium trichomanes (HPSU, OSC, REED, SRP, WCW, WS, WTU, WWB; 2005)
ssp. trichomanes (OSC, WS; 2005)
Athyrium filix-femina (HOYT, HPSU, OSC, REED, WS, WTU; 2018)
ssp. cyclosorum (OSC, WS, WTU; 1933)
Struthiopteris spicant (OSC, REED, WS, WTU; 1977)
Cystopteris fragilis (HPSU, ID, OSC, REED, WS, WTU, WWB; 2019)
Gymnocarpium disjunctum (OSC, REED, WTU; 1953)
Pteridium aquilinum (HPSU, OSC, REED, SOC, WS; 2018)
ssp. pubescens (HPSU, OSC, WS; 2009)
Dryopteris arguta (HPSU, OSC, REED, WS, WTU; 2018)
Dryopteris campyloptera (HPSU, REED; 1978)
Dryopteris cristata (HPSU; 1989)
Dryopteris expansa (HPSU, OSC, SOC, WTU; 2018)
Polystichum andersonii (OSC; 1982)
Polystichum imbricans (OSC, REED; 1928)
ssp. imbricans (REED; 1928)
Polystichum lonchitis (ID; 1941)
Polystichum munitum (EWU, HOYT, HPSU, IDS, OSC, REED, WCW, WS, WTU; 2018)
Equisetum arvense (HPSU, OSC, REED, WS, WTU; 2016)
Equisetum ×ferrissii (HPSU, WTU; 2016)
Equisetum fluviatile (WTU; 2016)
Equisetum giganteum (WS; 1922)
Equisetum hyemale (HPSU, OSC, REED, WS, WTU; 2010)
ssp. affine (HPSU, OSC, WS, WTU; 1965)
Equisetum laevigatum (WS; 1922)
Equisetum palustre (OSC, WTU; 2005)
Equisetum telmateia (EWU, HPSU, OSC, REED, WCW; 2007)
ssp. braunii (OSC, WCW; 1964)
Equisetum variegatum (WS; 1903)
Diphasiastrum alpinum (HPSU; 2019)
Diphasiastrum sitchense (HPSU, LINF, OSC; 2006)
Huperzia occidentalis (OSC; 1991)
Huperzia porophila (WTU; ?)
Huperzia selago (HPSU, LINF, REED; 2003)
Lycopodium clavatum (HPSU, LINF, OSC, WTU; 2016)
Spinulum annotinum (LINF; 1992)
Marsilea vestita (HPSU, OSC, WTU; 1992)
Polypodium amorphum (OSC, REED, SOC, WS, WTU; 1991)
Polypodium glycyrrhiza (HPSU, ID, IDS, OSC, REED, SOC, SRP, WS, WTU, WWB; 2018)
Polypodium hesperium (HPSU, ID, REED, SOC, WCW, WS; 2007)
Adiantum aleuticum (HOYT, HPSU, IDS, OSC, REED, WCW, WS, WTU; 2018)
var. aleuticum (HPSU, OSC, REED, WCW; 1977)
Adiantum capillus-veneris (WCW; 1978)
Cryptogramma acrostichoides (HPSU, ID, OSC, REED, WS, WTU; 2000)
Cryptogramma crispa (HPSU, WCW; 1983)
Myriopteris viscida (WCW; 1964)
Pentagramma triangularis (HPSU, OSC, REED, WS, WTU; 2019)
Pteris cretica (OSC; ?)
Pteris tremula (OSC; 1954)
Azolla filiculoides (OSC, REED; 1984)
Azolla microphylla (HPSU, OSC, WS; 2010)
Selaginella douglasii (EWU, HPSU, ID, IDS, LINF, MONT, OSC, REED, WCW, WS, WTU, WWB; 2009)
Selaginella oregana (HPSU, ID, IDS, LINF; 2018)
Selaginella wallacei (HPSU, OSC, REED, WS, WTU; 1981)
Woodsia oregana (HPSU, OSC, REED, WCW; 1981)
Woodsia scopulina (OSC; 1891)
ssp. scopulina (OSC; 1891)
GYMNOSPERMS:
Callitropsis nootkatensis (HPSU, REED; 2019)
Calocedrus decurrens (HPSU; 1972)
Chamaecyparis lawsoniana (HOYT, HPSU, OSC; 2017)
Chamaecyparis obtusa (HOYT; 2017)
Juniperus communis (NY, REED; 1928)
var. saxatilis (REED; 1928)
Platycladus orientalis (REED; 1937)
Sequoia sempervirens (HPSU; 1959)
Sequoiadendron giganteum (HPSU; 1972)
Thuja plicata (CIC, HPSU, MONT, NY, OSC, REED, SOC, WS; 2010)
Ginkgo biloba (HPSU; 1972)
Abies amabilis (NY; 1910)
Abies grandis (HPSU, OSC; 2007)
Abies lasiocarpa (HPSU; 1975)
Abies procera (HPSU, OSC; 1978)
Cedrus atlantica (HOYT; 2017)
Cedrus deodara (OSC, WTU; 2016)
Larix occidentalis (NY; 1910)
Picea sitchensis (HPSU; 1976)
Pinus contorta (HOYT, HPSU, OSC, REED; 2017)
var. latifolia (OSC; 1906)
Pinus monticola (REED, WS; 1928)
Pinus nigra (HOYT; 2017)
Pinus ponderosa (HPSU; 2009)
Pseudotsuga menziesii (HPSU, OSC, WS, WTU; 2012)
var. menziesii (OSC, WS, WTU; 2012)
Tsuga heterophylla (HPSU, IDS, NY, OSC, REED, SOC; 2009)
Taxus baccata (OSC; 1991)
Taxus brevifolia (HPSU, OSC, REED; 1984)
Taxus cuspidata (OSC; 1991)
Taxus ×media (OSC; 1991)
DICOTS:
Sambucus cerulea (HPSU, OSC, REED, SRP, WS; 2009)
Sambucus nigra (HOYT, HPSU; 2017)
ssp. nigra (HPSU; 2007)
Sambucus racemosa (HPSU, ID, IDS, OSC, REED, WS, WTU; 2011)
var. arborescens (HPSU, ID, OSC, WS, WTU; 1979)
var. leucocarpa (IDS; 1989)
var. racemosa (HPSU, REED; 1977)
Viburnum ellipticum (HPSU, OSC, REED, WTU; 2016)
Viburnum nudum (HPSU; 1958)
Viburnum opulus (HOYT, HPSU, WTU; 2019)
var. opulus (HPSU, WTU; 2019)
Viburnum plicatum (HPSU, WTU; 2012)
Viburnum tinus (HPSU; 2018)
Sesuvium verrucosum (OSC; 1902)
Amaranthus albus (OSC, WS, WTU; 1926)
Amaranthus blitoides (WS; 1917)
Amaranthus blitum (WS; 1910)
Amaranthus californicus (WS; 1911)
Amaranthus caudatus (WS; 1900)
Amaranthus deflexus (OSC, WS; 1902)
Amaranthus hybridus (WS, WTU; 1927)
Amaranthus palmeri (WS; 1911)
Amaranthus powellii (HPSU, WS; 2019)
Amaranthus retroflexus (HPSU, REED, WS, WTU; 1979)
Amaranthus spinosus (WS; 1900)
Amaranthus viridis (WS, WTU; 1911)
Atriplex dioica (WTU; 1910)
Atriplex hortensis (WS; 1900)
Atriplex patula (OSC, REED, WS, WTU; 1919)
Atriplex prostrata (HPSU, OSC, WTU; 2017)
Atriplex rosea (OSC, WS; 1920)
Bassia scoparia (HPSU; 2017)
Beta vulgaris (HPSU; 2019)
ssp. vulgaris (HPSU; 2019)
Blitum nuttallianum (WS; 1908)
Chenopodiastrum murale (HPSU, OSC, REED, WS, WTU; 1983)
Chenopodium album (HPSU, OSC, REED, WS; 2016)
Chenopodium berlandieri (WS; 1904)
var. zschackei (WS; 1904)
Chenopodium leptophyllum (OSC; 1902)
Chenopodium opulifolium (HPSU, WS; 2018)
Chenopodium pratericola (WS; 1912)
Chenopodium strictum (WS; 1904)
Chenopodium vulvaria (WS, WTU; 1911)
Corispermum americanum (OSC; 1992)
var. americanum (OSC; 1992)
Corispermum hyssopifolium (OSC, WS; 1922)
Corispermum pacificum (HPSU, OSC, SRP, WTU; 2002)
Corispermum villosum (OSC; 1927)
Dysphania ambrosioides (HPSU, OSC, WS; 2010)
Dysphania botrys (HPSU, OSC, SRP, WS, WTU; 2010)
Dysphania multifida (OSC, WS; 1922)
Dysphania pumilio (HPSU, OSC; 2015)
Extriplex joaquiniana (WS; 1902)
Lipandra polysperma (WS, WTU; 1912)
var. acutifolia (WTU; 1912)
Oxybasis glauca (WS; 1915)
ssp. salina (WS; 1915)
Oxybasis rubra (HPSU, WS; 2017)
var. humilis (HPSU, WS; 1915)
var. rubra (WS; 1915)
Salicornia depressa (WS; 1902)
Salsola kali (HPSU, OSC, WS; 2014)
ssp. pontica (HPSU, OSC; 2014)
Salsola soda (WS; 1906)
Salsola tragus (OSC, WS, WTU; 2016)
Suaeda calceoliformis (WS; 1910)
Suaeda nigra (WS; 1900)
Cotinus coggygria (OSC; 2006)
Toxicodendron diversilobum (HPSU, OSC, REED; 1982)
Toxicodendron pubescens (REED; 1928)
Aegopodium podagraria (HPSU, OSC; 1972)
Ammi majus (WS; 1912)
Anethum graveolens (OSC; 1961)
Angelica arguta (HPSU, OSC; 2017)
Angelica genuflexa (REED; 1980)
Anthriscus caucalis (HPSU; 2009)
Anthriscus sylvestris (HOYT, HPSU, WTU; 2017)
Apium graveolens (OSC; 1961)
Bowlesia incana (WS; 1904)
Chaerophyllum temulum (HOYT, HPSU, WTU; 2016)
Cicuta douglasii (HPSU, OR, OSC, WTU; 2019)
Cicuta maculata (REED; 1927)
var. angustifolia (REED; 1927)
Cnidium monnieri (WS; 1900)
Conium maculatum (CIC, HPSU, ID, OSC, REED, WS, WTU; 2006)
Daucus carota (HPSU, OSC, REED, WS, WTU; 2004)
Daucus pusillus (HPSU, OSC; 1975)
Eryngium planum (HPSU; 2019)
Foeniculum vulgare (HPSU, OSC, WS; 1975)
Heracleum mantegazzianum (HPSU, NY, OSC; 2018)
Heracleum maximum (HOYT, HPSU, OSC, REED; 2013)
Ligusticum apiifolium (HPSU, OSC; 1888)
Ligusticum grayi (HPSU, WTU; 2017)
Lilaeopsis occidentalis (OSC, WTU; 2016)
Lomatium dissectum (OSC, WTU; 1911)
Lomatium grayi (OSC; 1953)
Lomatium hallii (ID, WTU; 1977)
Lomatium martindalei (HPSU, OSC, REED, WS, WTU; 2008)
Lomatium nudicaule (HPSU, REED; 1977)
Lomatium simplex (OSC; 1891)
Lomatium triternatum (OSC, WS; 1953)
Lomatium utriculatum (HPSU, WS; 1978)
Myrrhis odorata (HPSU; 2018)
Oenanthe sarmentosa (HPSU, OSC, REED, SRP, WTU; 2018)
Osmorhiza berteroi (HPSU, OSC, REED, WS, WTU; 2017)
Osmorhiza occidentalis (OSC; 1878)
Osmorhiza purpurea (REED; 1928)
Pastinaca sativa (OSC; 1958)
Perideridia montana (NY, OSC, WS, WTU; 1953)
Perideridia oregana (OSC; 1889)
Perideridia parishii (HPSU; 1883)
Petroselinum crispum (HPSU; 2020)
Peucedanum utriculatum (WS; ?)
Sanicula bipinnatifida (OSC; 1880)
Sanicula crassicaulis (HPSU, OSC, WTU; 2001)
var. crassicaulis (WTU; 1926)
var. tripartita (HPSU; 2001)
Scandix pecten-veneris (WS; 1910)
Sium suave (HPSU, OSC, WTU; 1892)
Tauschia stricklandii (HPSU, OSC, SRP; 2019)
Torilis arvensis (OSC; 1970)
ssp. arvensis (OSC; 1970)
Torilis henryi (OSC; 1903)
Torilis japonica (HPSU, OSC, WS, WTU; 2014)
Torilis leptophylla (WS; 1906)
Zizia aptera (OSC; 1903)
var. occidentalis (OSC; 1903)
Apocynum androsaemifolium (HOYT, HPSU, IDS, MONT, OSC, REED, WS, WTU; 2018)
Apocynum cannabinum (HPSU; 2014)
Apocynum ×floribundum (HPSU; 1972)
Vinca major (HPSU; 1975)
Vinca minor (HPSU, REED, SRP; 2008)
Ilex aquifolium (HOYT, HPSU, OSC, WS, WTU; 2017)
Aralia elata (HPSU; 2010)
Fatsia japonica (NY; 2000)
Hedera colchica (WTU; 2016)
Hedera helix (HPSU, OSC, WTU; 2016)
Hedera hibernica (HOYT, HPSU, OSC, WS, WTU; 2017)
Hydrocotyle ranunculoides (HPSU, OSC, WTU; 2019)
Oplopanax horridus (HPSU, ID, OSC; 1979)
Aristolochia clematitis (HPSU; 2018)
Asarum caudatum (HPSU, IDS, OSC, REED, WCW, WS, WTU; 2017)
Acanthospermum hispidum (WS, WTU; 1900)
Achillea millefolium (HPSU, OSC, REED, WCW, WS; 1982)
Acmella repens (WS; 1914)
Adenocaulon bicolor (HPSU, OSC, REED, WS, WTU; 1982)
Agoseris apargioides (OSC; 1883)
Agoseris grandiflora (HPSU, OSC, WS; 1911)
var. leptophylla (OSC; 1911)
Agoseris heterophylla (OSC; 1889)
var. heterophylla (OSC; 1889)
Ambrosia artemisiifolia (HPSU, OSC, WTU; 2017)
Ambrosia chamissonis (OSC; 1922)
Ambrosia psilostachya (WS; 1911)
Ambrosia trifida (WS, WTU; 1911)
Anaphalis margaritacea (HPSU, OSC, REED, WS, WTU; 1977)
Anisocarpus madioides (HPSU, OSC, WS; 1912)
Antennaria dimorpha (REED; 1977)
Antennaria howellii (HPSU, OSC, WS, WTU; 2017)
ssp. howellii (HPSU, OSC; 1976)
ssp. neodioica (HPSU, OSC, WS, WTU; 2017)
Antennaria media (REED; 1928)
Antennaria microphylla (WS; 1916)
Antennaria racemosa (HPSU, OSC, WS, WTU; 1954)
Anthemis altissima (WS, WTU; 1912)
Anthemis arvensis (HPSU; 1973)
Anthemis cotula (HPSU, OSC, REED, WS, WTU; 2010)
Arctium minus (HPSU, OSC, REED, WS; 1969)
Arnica cordifolia (HPSU; 1953)
Arnica discoidea (HPSU; 2018)
Arnica lanceolata (HPSU, IDS, MONT, OSC, REED, WS, WTU; 2019)
ssp. prima (HPSU, IDS, MONT, OSC, REED, WS, WTU; 2019)
Arnica latifolia (OSC, WCW, WS; 1969)
Arnica mollis (HPSU; 1975)
Artemisia absinthium (HPSU, OSC, WTU; 2018)
Artemisia annua (WS, WTU; 1900)
Artemisia biennis (HPSU, OSC, WS; 1922)
Artemisia campestris (OSC; 1911)
var. wormskioldii (OSC; 1911)
Artemisia douglasiana (HPSU, OSC, REED, WS, WTU; 2018)
Artemisia dracunculus (HPSU, OSC, WS; 1915)
Artemisia ludoviciana (CIC, HPSU, OSC, SRP, WTU; 1992)
ssp. incompta (CIC; 1991)
ssp. lindleyana (HPSU, OSC, SRP; 1992)
ssp. ludoviciana (OSC; 1915)
Artemisia potentilloides (WS; 1902)
var. potentilloides (WS; 1902)
Artemisia scoparia (WS; 1910)
Artemisia serrata (WS; 1900)
Artemisia suksdorfii (HPSU, OSC, WS; 2002)
Artemisia vulgaris (HPSU, OSC, RM, WS, WTU; 2013)
Aster mucronatus (NY, WS; 1902)
Aster oregonus (MONT; 1917)
Aster umbraticus (NY; 1902)
Balsamorhiza sagittata (HPSU; 1976)
Bellis perennis (HPSU, OSC, REED, WS; 2009)
Berkheya heterophylla (WS; 1903)
Bidens cernua (HPSU, OSC, WS, WTU; 2019)
Bidens frondosa (HPSU, WS, WTU; 2019)
Bidens tripartita (OSC, WS, WTU; 2002)
Bidens vulgata (HPSU, OSC; 2004)
Brickellia grandiflora (OSC; 1927)
Canadanthus modestus (OSC; 1984)
Carduus nutans (OSC, WS, WTU; 1925)
Carduus pycnocephalus (HPSU, WTU; 2016)
Carthamus tinctorius (NY, OSC; 1991)
Centaurea calcitrapa (WS, WTU; 1920)
Centaurea cyanus (HPSU, OSC, WS, WTU; 1961)
Centaurea diffusa (HPSU, OSC; 2011)
Centaurea ×gerstlaueri (HPSU, OSC, WS; 2017)
Centaurea jacea (REED; 1977)
Centaurea melitensis (RM, WS; 1911)
Centaurea montana (OSC, WTU; 1960)
Centaurea nigra (HPSU, OSC, WS, WTU; 2014)
Centaurea stoebe (HPSU, OSC, WTU; 2013)
ssp. australis (HPSU, OSC, WTU; 2013)
Centaurea ×varnensis (HPSU, OSC; 2012)
Chondrilla juncea (HPSU, OSC, WTU; 2019)
Cichorium intybus (HPSU, OSC, REED, WS, WTU; 1982)
Cirsium arvense (HPSU, OSC, REED, WS, WTU; 2006)
Cirsium brevifolium (HPSU, OSC; 2010)
Cirsium brevistylum (HPSU, OSC; 2018)
Cirsium remotifolium (OSC; 1903)
Cirsium undulatum (WS; 1903)
Cirsium vulgare (HPSU, OSC, REED; 2010)
Cladanthus mixtus (OSC, WS, WTU; 1916)
Conyza bonariensis (OSC, WS; 1902)
Conyza canadensis (HPSU, OSC; 2010)
Conyza sumatrensis (WS; 1910)
Coreopsis lanceolata (WS, WTU; 2010)
Coreopsis rosea (OSC, WTU; 2009)
Coreopsis tinctoria (HPSU, OSC, WS, WTU; 2002)
Cota tinctoria (WS; 1912)
Cotula australis (OSC, WS; 1916)
Cotula coronopifolia (HPSU, WS; 1910)
Crepis capillaris (HPSU, OSC, WS, WTU; 2001)
Crepis runcinata (REED; 1928)
Crepis setosa (HPSU, OSC; 2018)
Crocidium multicaule (HPSU, OSC, WCW, WS, WWB; 1992)
Doronicum pardalianches (HOYT; 2017)
Erigeron annuus (HPSU, OSC, WS; 1984)
Erigeron decumbens (OSC; 1885)
Erigeron divergens (HPSU; 1919)
Erigeron filifolius (HPSU, WS; 1995)
Erigeron glacialis (HPSU; 2001)
Erigeron howellii (HPSU, OSC, WS, WTU; 1986)
Erigeron lonchophyllus (HPSU; 1916)
Erigeron oreganus (HPSU, OSC, WS, WTU; 2013)
Erigeron philadelphicus (HPSU, OSC, WS; 2006)
Erigeron speciosus (OSC, REED; 1977)
Erigeron strigosus (HPSU, OSC, WS, WTU; 2016)
var. strigosus (OSC, WS; 1934)
Eriophyllum lanatum (HPSU, OSC, REED, WS; 2001)
var. lanatum (REED; 1977)
var. leucophyllum (OSC; 1952)
Eupatorium cannibinum (HPSU; 2019)
Eurybia radulina (HPSU, WS, WTU; 2019)
Euthamia occidentalis (HPSU, OSC, WTU; 2010)
Gaillardia aristata (OSC, WTU; 2016)
Galinsoga quadriradiata (HPSU, OSC; 2019)
Gamochaeta purpurea (HPSU; 2013)
Gamochaeta ustulata (HPSU, OSC; 1927)
Gnaphalium affine (WS; 1901)
Gnaphalium palustre (HPSU, OSC, WS, WTU; 1993)
Gnaphalium palustre × Gnaphalium uliginosum (WTU; 1992)
Gnaphalium uliginosum (HPSU, OSC, WS; 2018)
Grindelia hirsutula (HPSU, OSC, WS, WTU; 1935)
Grindelia integrifolia (HPSU, OSC, WS; 1903)
Gutierrezia sarothrae (HPSU; 1993)
Helenium autumnale (HPSU, OSC, REED, SRP, WS, WTU; 2016)
Helenium grandiflorum (WTU; 1929)
Helianthus annuus (HPSU, OSC; 1979)
Helichrysum petiolare (WS; 1911)
Heliopsis helianthoides (WS; 1909)
var. scabra (WS; 1909)
Hemizonella minima (WS; 1916)
Heterotheca oregona (HPSU, REED; 2019)
Hieracium alberinum (HPSU; 1915)
Hieracium albiflorum (OSC, REED, WS, WTU; 1977)
Hieracium aurantiacum (OSC, WTU; 2010)
Hieracium diaphanum (SRP, WS; 2003)
Hieracium lachenalii (HPSU, OSC, SRP, WTU; 2019)
Hieracium longiberbe (HPSU, ID, OSC, WTU; 2004)
Hieracium maculatum (HPSU; 2019)
Hieracium murorum (HPSU, OSC, WTU; 2014)
Hieracium pilosella (OSC, WTU; 1960)
Hieracium scouleri (MONT, WCW, WS; 1935)
Hieracium triste (WS; 1893)
Hieracium umbellatum (HOYT, HPSU, WTU; 2018)
Hieracium vulgatum (OSC, WS; 2005)
Hulsea nana (WS; 1894)
Hypochaeris glabra (HPSU, OSC, WTU; 2012)
Hypochaeris radicata (HPSU, OSC, REED, SRP, WS, WTU; 2010)
Inula helenium (OSC, WS, WTU; 1933)
Iva axillaris (OSC, WS, WTU; 1902)
Jacobaea vulgaris (HPSU, ID, OSC, REED, WS, WTU; 1977)
Lactuca biennis (OSC, WS; 2005)
Lactuca canadensis (OSC; 1964)
Lactuca serriola (HPSU, REED, WS, WTU; 2004)
Lactuca tatarica (WS; 1909)
ssp. pulchella (WS; 1909)
Lapsana communis (HPSU, OSC, WS, WTU; 2006)
Lapsanastrum apogonoides (ID, IDS, OSC, WCW, WS, WTU; 1940)
Layia glandulosa (WS; 1922)
Leontodon autumnalis (WS; 1910)
Leontodon saxatilis (HPSU, OSC; 1982)
ssp. saxatilis (OSC; 1961)
Leucanthemum ×superbum (HPSU, WTU; 2016)
Leucanthemum vulgare (HPSU, OSC, REED, RM, WS, WTU; 2006)
Logfia minima (HPSU; 2018)
Madia elegans (WTU; 1926)
Madia exigua (HPSU, OSC, WS; 1912)
Madia glomerata (HPSU, OSC, WS, WTU; 1942)
Madia gracilis (OSC, SRP, WS, WTU; 1912)
Madia sativa (HPSU, WS; 1982)
Matricaria chamomilla (WS; 1912)
Matricaria discoidea (HPSU, OSC, WS, WTU; 1976)
Microseris borealis (HPSU, OR, OSC; 2018)
Microseris douglasii (HPSU; 1904)
Microseris laciniata (OSC, WS; 1902)
ssp. leptosepala (OSC, WS; 1902)
Microseris nutans (OSC; 1925)
Mycelis muralis (HPSU, OSC, REED; 2015)
Nabalus hastatus (OSC; 1933)
Oncosiphon suffruticosum (OSC; 1902)
Oreostemma alpigenum (OSC, REED, WS; 1982)
var. alpigenum (OSC, WS; 1982)
Packera bolanderi (HPSU, ID, OSC, WS, WTU; 2002)
var. harfordii (HPSU, ID, OSC, WS, WTU; 2002)
Packera macounii (OSC, REED; 1977)
Packera pseudaurea (HPSU; 2007)
Petasites frigidus (HOYT, HPSU, OSC, REED, WCW, WS; 2017)
var. frigidus (HPSU; 1936)
var. palmatus (HPSU, OSC, REED, WCW, WS; 2003)
Petasites hybridus (WS; 1904)
Petasites japonicus (HPSU, OSC; 2019)
Pseudognaphalium luteoalbum (HPSU, OSC, WS, WTU; 2017)
Pseudognaphalium stramineum (HPSU, OSC, SOC, WS, WTU; 2018)
Psilocarphus elatior (HPSU, OSC, WS, WTU; 2010)
Psilocarphus oregonus (HPSU; 1903)
Psilocarphus tenellus (HPSU; 2019)
Rudbeckia occidentalis (WS; 1914)
Senecio integerrimus (OSC; 1888)
var. ochroleucus (OSC; 1888)
Senecio sylvaticus (WS; 1915)
Senecio triangularis (WS; 1882)
Senecio viscosus (WS; 1910)
Senecio vulgaris (HPSU, LINF, OSC, REED, WCW, WS; 1996)
Sericocarpus oregonensis (HPSU, JWT, OSC, WS; 1926)
ssp. oregonensis (HPSU, JWT, OSC, WS; 1926)
Sigesbeckia orientalis (WS; 1900)
Silybum marianum (HPSU, OSC, WS; 2014)
Solidago elongata (OSC, REED, WS, WTU; 2016)
Solidago gigantea (HPSU, OSC, REED, WS, WTU; 2001)
Solidago lepida (HPSU, OSC, REED, WS; 2010)
var. salebrosa (HPSU, OSC, REED, WS; 2010)
Solidago missouriensis (OSC; 2002)
Solidago simplex (HPSU, OSC, WS; 1917)
var. simplex (HPSU, OSC, WS; 1910)
Solidago spathulata (HPSU; 1917)
Soliva sessilis (OSC, WS, WTU; 2011)
Sonchus arvensis (HPSU; 1976)
Sonchus asper (OSC, REED, WS; 1977)
Sonchus oleraceus (REED, WS, WTU; 1977)
Symphyotrichum bracteolatum (REED, WS; 1928)
Symphyotrichum frondosum (OSC; 1915)
Symphyotrichum hallii (OSC; 2004)
Symphyotrichum subspicatum (HOYT, HPSU, OSC, WS, WTU; 2017)
Tanacetum balsamita (HPSU, OSC, WTU; 1955)
Tanacetum parthenium (HPSU, WS, WTU; 2001)
Tanacetum vulgare (HPSU, OSC, REED, WTU; 2010)
Taraxacum erythrospermum (HPSU, WS; 1975)
Taraxacum officinale (HPSU, OSC, WCW, WS; 2009)
Tragopogon dubius (HPSU; 1979)
Tragopogon porrifolius (HPSU, OSC, REED, WTU; 2005)
Tripleurospermum inodorum (OSC; 1922)
Tripleurospermum maritimum (WTU; 1910)
ssp. maritimum (WTU; 1910)
Wyethia angustifolia (OSC, WS, WTU; 1910)
Xanthium spinosum (OSC, WTU; 1900)
Xanthium strumarium (HPSU, OSC, WS; 2010)
Impatiens balfourii (HPSU, OSC, WTU; 2016)
Impatiens bicolor (HPSU, OSC, WTU; 2019)
Impatiens capensis (HPSU, ID, OSC, SRP, WTU; 2019)
Impatiens glandulifera (HOYT, HPSU, OSC, WTU; 2017)
Impatiens parviflora (HPSU, OSC, WTU; 2019)
Achlys californica (HPSU, OSC; 1965)
Achlys triphylla (HPSU, ID, IDS, LINF, OSC, REED, SOC, WCW, WS; 2009)
Berberis darwinii (ID; 1932)
Berberis dielsiana (ID; 1932)
Berberis julianae (HPSU; 2017)
Berberis thunbergii (HPSU; 2012)
Mahonia aquifolium (HOYT, HPSU, IDS, OSC, REED, SRP, WCW, WS; 2017)
Mahonia bealei (ID; 1932)
Mahonia nervosa (HOYT, HPSU, IDS, OSC, REED, WCW, WS; 2017)
Mahonia repens (WS; 1907)
Vancouveria hexandra (HPSU, IDS, OSC, REED, SRP, WS, WTU; 2010)
Vancouveria planipetala (HPSU; 1962)
Alnus glutinosa (OSC, WTU; 2009)
Alnus rhombifolia (HPSU; 1973)
Alnus rubra (EWU, HPSU, ID, IDS, OSC, REED, WS; 2009)
Alnus viridis (HPSU, OSC; 1975)
ssp. sinuata (HPSU, OSC; 1975)
Betula glandulosa (HPSU, WTU; 2017)
Betula occidentalis (HPSU; 1977)
Betula pendula (HPSU, OSC, WTU; 2019)
Betula pubescens (OSC, WTU; 2000)
Betula ×utahensis (HPSU; 1975)
Corylus avellana (HPSU; 2019)
Corylus cornuta (HOYT, HPSU, OSC, REED; 2017)
ssp. californica (HPSU, OSC, REED; 1979)
ssp. cornuta (REED; 1925)
Adelinia grande (OSC; 1903)
Adelinia grandis (HPSU, REED; 2018)
Amsinckia intermedia (REED; 1928)
Amsinckia lycopsoides (OSC, WS; 1925)
Amsinckia menziesii (HPSU, OSC, WS; 1988)
Amsinckia tessellata (HPSU, OSC, WS; 1978)
Anchusa officinalis (OR; 2018)
Asperugo procumbens (WS; 1912)
Borago officinalis (HPSU; 1998)
Buglossoides arvensis (WS; 1925)
Cryptantha flaccida (OSC; 1902)
Cryptantha intermedia (OSC, WS, WTU; 1935)
var. hendersonii (WS, WTU; 1935)
Cryptantha muricata (WS; 1876)
Cynoglossum officinale (HPSU; 1976)
Gruvelia pusilla (OSC; ?)
Hackelia diffusa (OSC, REED, WS, WTU; 1972)
var. diffusa (OSC, WS; 1925)
Hackelia floribunda (WS; 1990)
Lappula redowskii (WS; 1912)
var. cupulata (WS; 1912)
Mertensia platyphylla (OSC; 1888)
Myosotis arvensis (HPSU, IDS, OSC, WS; 2009)
Myosotis discolor (HPSU, OSC, REED, WS; 2010)
Myosotis latifolia (OSC; 1986)
Myosotis laxa (HPSU, OSC, REED, SRP, WS, WTU; 2016)
Myosotis micrantha (HPSU, WS; 2001)
Myosotis scorpioides (HPSU, REED, WCW, WTU; 2016)
Myosotis sylvatica (HPSU, RM, WS, WTU; 1986)
Myosotis verna (HPSU, OSC, WTU; 1987)
Pentaglottis sempervirens (HOYT; 2012)
Plagiobothrys cusickii (WTU; 1912)
Plagiobothrys figuratus (HPSU, OSC, WS, WTU; 1966)
var. figuratus (OSC; 1903)
Plagiobothrys hirtus (WS; 1917)
Plagiobothrys hispidulus (WS; 1912)
Plagiobothrys scouleri (HPSU, OSC, WS; 2019)
Plagiobothrys strictus (HPSU; 1916)
Symphytum officinale (HPSU, OSC, WCW, WTU; 2016)
Alliaria petiolata (HOYT, HPSU, ID, OSC, SRP, WTU; 2019)
Arabidopsis thaliana (HPSU, OSC, REED, WS; 1984)
Arabis eschscholtziana (OSC, REED; 1985)
Arabis gerardii (WS; 1907)
Arabis hirsuta (HPSU, WTU; 1977)
Athysanus pusillus (OSC; 1884)
Barbarea orthoceras (HPSU, OSC, REED, WS; 2017)
Barbarea vulgaris (HPSU; 2018)
Berteroa incana (WS; 1911)
Boechera grahamii (HPSU; 1953)
Brassica elongata (WS; 1911)
Brassica juncea (HPSU, OSC, WS, WTU; 1985)
Brassica napus (WS; 1966)
Brassica nigra (HPSU, OSC, WS; 1982)
Brassica oleracea (HPSU, OSC; 2008)
Brassica rapa (EWU, HPSU, OSC, REED; 2006)
Camelina microcarpa (OSC, WS; 1911)
Camelina sativa (HPSU, WS; 1912)
Capsella bursa-pastoris (HPSU, IDS, OSC, REED, WS, WTU; 2008)
Cardamine angulata (HPSU, OSC, WS, WTU; 2009)
Cardamine breweri (OSC; 1880)
Cardamine californica (HPSU, OSC; 2007)
Cardamine flexuosa (HPSU; 2019)
Cardamine hirsuta (HPSU, OSC, WS, WTU; 2008)
Cardamine nuttallii (HPSU, ID, IDS, OSC, REED, WS, WTU; 2017)
Cardamine occidentalis (HPSU, REED, WS; 2012)
Cardamine oligosperma (EWU, HPSU, IDS, OSC, REED, WS, WTU, WWB; 2007)
Cardamine parviflora (REED, WTU; 2004)
Cardamine penduliflora (HPSU; 1959)
Cardamine pensylvanica (HPSU, OSC, REED, WTU; 2018)
Chorispora tenella (HPSU; 1954)
Conringia orientalis (OSC; 1922)
Descurainia incisa (HPSU; 1877)
ssp. incisa (HPSU; 1877)
Descurainia longepedicellata (HPSU, OSC, WS; 1910)
Descurainia sophia (HPSU, OSC, WS; 1975)
Diplotaxis muralis (OSC, WS, WTU; 1902)
Diplotaxis tenuifolia (HPSU, OSC, WS; 2018)
Draba verna (HPSU, OSC, SOC, SRP; 2008)
Eruca vesicaria (WS, WTU; 1912)
ssp. sativa (WS, WTU; 1912)
Erysimum arenicola (HPSU, PLU; 1974)
Erysimum capitatum (HPSU, NY, OSC, PLU, REED, WS, WTU; 2018)
var. capitatum (NY, OSC, WTU; 1981)
Erysimum cheiranthoides (HPSU; 1877)
Erysimum perofskianum (WS; 1921)
Erysimum repandum (OSC, WS; 1922)
Hesperis matronalis (HPSU, OSC, REED, WS, WTU; 2009)
Hirschfeldia incana (OSC, WS, WTU; 1927)
Lepidium apetalum (REED; 1928)
Lepidium appelianum (OSC, WS, WTU; 1960)
Lepidium campestre (HPSU, OSC, WTU; 2016)
Lepidium chalepense (HPSU; 1954)
Lepidium densiflorum (OSC, WS; 1927)
Lepidium didymum (HPSU, OSC, SRP, WS; 2019)
Lepidium draba (OSC, SRP, WS, WTU; 1919)
Lepidium heterophyllum (HPSU; 2019)
Lepidium intermedium (HPSU; 1876)
Lepidium latifolium (OSC, WTU; 2012)
Lepidium perfoliatum (HPSU, OSC, REED, WS; 1954)
Lepidium pubescens (WS; 1904)
Lepidium ramosissimum (WS; 1916)
Lepidium ruderale (REED, WS; 1912)
Lepidium sativum (WS; 1912)
Lepidium strictum (OSC; 1902)
Lepidium virginicum (HPSU, OSC, REED, SOC, WS, WTU; 2020)
ssp. menziesii (HPSU, OSC, REED, WS, WTU; 2020)
ssp. virginicum (SOC; 1902)
Lobularia maritima (HPSU, OSC; 2015)
Lunaria annua (HPSU, IDS, OSC, WCW, WS; 2009)
Nasturtium microphyllum (OSC; 1983)
Nasturtium officinale (HPSU, OSC, REED; 1977)
Neslia paniculata (WS; 1912)
Raphanus raphanistrum (HPSU, WS, WTU; 1975)
Raphanus sativus (HPSU, OSC, WS, WTU; 2018)
Rapistrum rugosum (OSC, WS; 1912)
Rorippa calycina (OSC; 1884)
Rorippa columbiae (OSC, WTU; 1992)
Rorippa curvipes (HPSU, OSC, WS; 2010)
Rorippa curvisiliqua (HPSU, OSC, WS, WTU; 2019)
Rorippa indica (OSC, WS; 1902)
Rorippa nasturtium (REED; 1928)
Rorippa palustris (HPSU, OSC, REED, WS, WTU; 2012)
ssp. hispida (OSC; 1911)
ssp. palustris (HPSU, OSC, WS, WTU; 1912)
Sinapis arvensis (WS, WTU; 1910)
Sisymbrium altissimum (HPSU, OSC, WS, WTU; 1993)
Sisymbrium officinale (HPSU, OSC, REED, WS, WTU; 1983)
Sisymbrium orientale (WS; 1911)
Teesdalia nudicaulis (HPSU, OSC, REED, WTU; 2014)
Thelypodium laciniatum (REED, WTU; 1928)
Thlaspi arvense (HPSU, OSC, WS; 1975)
Turritis glabra (HPSU, OSC, REED; 1977)
Sarcococca ruscifolia (NY; 2000)
Brasenia schreberi (OSC; 1897)
Asyneuma prenanthoides (HPSU; 1987)
Campanula persicifolia (HPSU, OSC, WTU; 1960)
Campanula rapunculoides (HPSU, WTU; 1927)
Campanula rotundifolia (HPSU, IDS, OSC, REED, SOC, WS, WTU; 2019)
Campanula scouleri (HPSU, OSC, REED, WS, WTU; 1977)
Downingia elegans (HPSU, OSC, WS; 1910)
Githopsis specularioides (OSC; 1886)
Triodanis perfoliata (HPSU, OSC, REED, WS; 1998)
Cannabis sativa (OSC; 1957)
Lonicera ciliosa (HPSU, IDS, OSC, REED, WS, WTU; 2016)
Lonicera hispidula (OSC; 1887)
var. hispidula (OSC; 1887)
Lonicera involucrata (HPSU, OSC, REED, WS; 2006)
var. involucrata (OSC; 1903)
Lonicera korolkowii (HPSU; 1959)
Lonicera maackii (OSC, WTU; 2009)
Lonicera xylosteum (HPSU; 2017)
Symphoricarpos albus (HOYT, HPSU, IDS, OSC, REED, SOC, WS; 2017)
var. albus (REED; 1928)
var. laevigatus (HPSU, OSC, REED, SOC, WS; 2009)
Symphoricarpos mollis (HPSU, OSC, REED, WTU; 1964)
var. acutus (OSC; 1888)
Agrostemma githago (HPSU, OSC, SOC, WS; 1952)
Arenaria serpyllifolia (HPSU, OSC, WS; 2019)
var. serpyllifolia (HPSU, OSC; 2019)
Atocion armeria (OSC; 1984)
Cerastium arvense (HPSU, IDS, OSC, WS, WTU; 2019)
ssp. strictum (HPSU, OSC, WTU; 2019)
Cerastium fontanum (HPSU, OSC, REED, WS, WTU; 1992)
ssp. vulgare (HPSU, OSC, REED, WS, WTU; 1992)
Cerastium glomeratum (HPSU, OSC, WS, WTU; 2010)
Cerastium nutans (HPSU, OSC; 2010)
Cerastium pumilum (OSC, WTU; 1992)
Cerastium semidecandrum (OSC, WS, WTU; 1992)
Cerastium tomentosum (WS; 1925)
Cerastium viride (OSC, WTU; 1953)
Corrigiola litoralis (OSC, WS, WTU; 2008)
ssp. litoralis (OSC; 1926)
Dianthus armeria (HPSU, OSC, REED, WS; 2019)
Dianthus barbatus (HPSU, OSC, WTU; 2016)
ssp. barbatus (HPSU, WTU; 2016)
Dichodon viscidum (HPSU, OSC, WTU; 2008)
Eremogone franklinii (HPSU; 1996)
Gypsophila pilosa (WTU; 1912)
Herniaria glabra (OSC, WTU; 2014)
Holosteum umbellatum (HPSU; 1993)
Illecebrum verticillatum (WS; 1902)
Lychnis coronaria (HPSU, OSC, RM, WTU; 2019)
Moehringia lateriflora (WTU; 1927)
Moehringia macrophylla (HPSU, IDS, OSC, REED, WCW, WS; 2018)
Myosoton aquaticum (OSC, WS; 1902)
Paronychia franciscana (WS; 1906)
Polycarpon tetraphyllum (HPSU, OSC, WS, WTU; 2018)
ssp. tetraphyllum (HPSU; 2018)
Sabulina macra (HPSU, OSC; 1979)
Sagina apetala (HPSU, WS; 2010)
Sagina decumbens (HPSU, OSC, WS; 1998)
ssp. occidentalis (HPSU, OSC, WS; 1998)
Sagina japonica (OSC, WS; 1902)
Sagina procumbens (OSC, WS, WTU; 1992)
Saponaria officinalis (HPSU, WS; 1975)
Scleranthus annuus (HPSU, WTU; 1996)
Silene antirrhina (HPSU, OSC, WTU; 1976)
Silene dichotoma (WS, WTU; 1906)
Silene dioica (ID, OSC, WS, WTU; 2003)
Silene douglasii (HPSU, LINF, NY, OSC, WTU; 1988)
ssp. douglasii (NY; 1881)
var. douglasii (OSC; 1911)
var. rupinae (LINF, NY, OSC, WTU; 1988)
Silene gallica (OSC, WS; 1911)
Silene latifolia (HPSU, OSC, REED, WS; 2006)
Silene noctiflora (OSC, WS; 1927)
Silene parryi (OSC; 1897)
Silene vulgaris (HPSU, OSC, REED, WS, WTU; 1998)
Spergula arvensis (HPSU, OSC, REED, WS; 1998)
Spergula bocconi (WS; 1902)
Spergularia bocconei (OSC, WTU; 1916)
Spergularia diandra (OSC; 1922)
Spergularia media (OSC; 1902)
Spergularia rubra (HPSU, OSC, WS; 2019)
Spergularia salina (OSC, WS; 1904)
Spergularia villosa (OSC; 1902)
Stellaria borealis (HPSU, OSC, REED; 2018)
ssp. sitchana (HPSU, OSC; 2018)
Stellaria calycantha (HPSU; 1876)
Stellaria crispa (HPSU, OSC; 2018)
Stellaria graminea (OSC; 1888)
Stellaria longifolia (HPSU; 1911)
Stellaria longipes (WCW; 1967)
Stellaria media (HPSU, IDS, OSC, WS; 1984)
Stellaria nitens (HPSU, OSC, WS; 1915)
Vaccaria hispanica (HPSU, OSC, WS, WTU; 1925)
Euonymus alatus (HOYT; 2013)
Euonymus europaeus (HOYT, HPSU, OSC; 2017)
Euonymus fortunei (HPSU, WTU; 2016)
Euonymus occidentalis (HOYT, HPSU, OSC, REED, SOC, WS, WTU; 2019)
Parnassia fimbriata (WS; 1885)
Paxistima myrsinites (HPSU, WCW, WS; 2008)
Ceratophyllum demersum (HPSU, REED, WTU; 2018)
Cleome lutea (WS; 1912)
ssp. lutea (WS; 1912)
Calystegia ×lucana (OSC; 1924)
Calystegia sepium (HPSU, IDS, OSC; 1998)
ssp. angulata (HPSU, OSC; 1982)
ssp. sepium (HPSU, IDS; 1993)
Calystegia soldanella (OSC; 2006)
Convolvulus arvensis (HPSU, IDS, NY, OSC, REED, SOC, WS, WTU; 2006)
Convolvulus atriplicifolia (HPSU; 1975)
ssp. atriplicifolia (HPSU; 1975)
Convolvulus sepium (HPSU; 1975)
ssp. sepium (HPSU; 1975)
Cuscuta campestris (HPSU, WTU; 2019)
Cuscuta indecora (OSC, WS; 1926)
var. indecora (OSC, WS; 1926)
Cuscuta pentagona (SRP; 2009)
Cornus florida (WTU; 1920)
var. rubra (WTU; 1920)
Cornus nuttallii (CIC, HPSU, IDS, OSC, REED, SOC, WCW, WS, WTU; 1997)
Cornus occidentalis (HPSU, OSC, REED; 2010)
Cornus stolonifera (HPSU, ID, OSC, REED, WS, WTU; 2009)
f. californica (WTU; 1917)
ssp. occidentalis (WS; 1902)
Cornus unalaschkensis (HPSU, OSC, REED, WTU; 1998)
Crassula aquatica (OSC, SRP, WS, WTU; 1992)
Crassula tillaea (WTU; 2017)
Phedimus spurius (OSC; 1934)
Sedum acre (WS; 1912)
Sedum album (OSC, WTU; 2010)
Sedum obtusatum (OSC; 1902)
Sedum oreganum (HPSU, IDS, OSC, REED, WS; 2019)
Sedum oregonense (WS; 1916)
Sedum spathulifolium (HPSU, OSC, REED, WCW, WS, WTU; 1987)
Sedum stenopetalum (OSC, REED, WS; 1954)
ssp. stenopetalum (OSC, WS; 1954)
Cucumis anguria (WS; 1918)
Echinocystis lobata (WS; 1915)
Marah oregana (HPSU, OSC, REED, WCW, WTU, WWB; 2006)
Dipsacus fullonum (HOYT, HPSU, OSC, WS; 2010)
Drosera anglica (WTU; 2016)
Drosera rotundifolia (HPSU, WTU; 2019)
Tiquilia nuttallii (REED; 1928)
Elaeagnus umbellata (HPSU, WTU; 2016)
Bergia texana (OSC, WTU; 1915)
Elatine chilensis (OSC, WS, WTU; 1927)
Arbutus menziesii (HPSU, OSC, REED, WS, WTU; 2019)
Arctostaphylos columbiana (WCW; 1979)
Arctostaphylos ×media (OSC; 1958)
Arctostaphylos nevadensis (HPSU, OSC, REED; 1970)
Arctostaphylos uva-ursi (HPSU, OSC, REED, WTU; 1977)
Cassiope mertensiana (REED; 1966)
Chimaphila menziesii (REED, WS, WTU; 1977)
Chimaphila umbellata (REED; 1977)
Erica carnea (WCW; 1972)
Gaultheria ovatifolia (OSC; 1954)
Gaultheria shallon (HPSU, OSC, REED, WCW, WS; 2009)
Hemitomes congestum (WTU; 1925)
Kalmia microphylla (HPSU, OSC, WCW; 2017)
var. microphylla (WCW; 1935)
var. occidentalis (HPSU; 2017)
Kalmiopsis fragrans (HOYT; 2013)
Leucothoe fontanesiana (NY; 2000)
Moneses uniflora (HPSU; 1977)
Monotropa hypopitys (HPSU; 1987)
Monotropa uniflora (HPSU, OSC, REED, WTU; 2014)
Orthilia secunda (HPSU; 1970)
Phyllodoce empetriformis (REED; 1967)
Pieris japonica (NY; 2000)
Pyrola aphylla (OSC; 1904)
Pyrola asarifolia (HPSU, OSC, REED, WTU; 2018)
ssp. asarifolia (OSC, REED; 1928)
ssp. bracteata (HPSU, OSC, WTU; 2018)
Pyrola chlorantha (HPSU; 1917)
Pyrola picta (OSC, WTU; 1926)
Rhododendron arborescens (HPSU; 1958)
Rhododendron columbianum (HPSU; 1997)
Rhododendron macrophyllum (HPSU, OSC, REED, WS, WTU; 2006)
Rhododendron menziesii (HPSU, OSC, REED; 1982)
Vaccinium cespitosum (NY, REED; 1928)
Vaccinium membranaceum (OSC, REED; 1954)
Vaccinium ovalifolium (OSC; 1954)
Vaccinium ovatum (REED; 1964)
Vaccinium oxycoccos (HPSU, WTU; 2019)
Vaccinium parvifolium (HOYT, HPSU, ID, LINF, OSC, REED, WS, WTU; 2017)
Acalypha australis (WS, WTU; 1910)
Croton setigerus (WS; 1911)
Euphorbia amygdaloides (HPSU; 2017)
Euphorbia characias (HPSU, WTU; 2016)
Euphorbia crenulata (OSC, WS; 1892)
Euphorbia cyparissias (HPSU; 2018)
Euphorbia glyptosperma (HPSU, OSC; 2017)
Euphorbia helioscopia (HPSU, OSC, WS; 2014)
Euphorbia lathyris (HPSU, IDE, OSC, REED; 2006)
Euphorbia maculata (OSC, UAAH, WS; 2006)
Euphorbia oblongata (HPSU, OSC; 2020)
Euphorbia peplus (HPSU, OSC, WS, WTU; 1977)
Euphorbia serpillifolia (HPSU, OSC, SRP, WS; 2017)
ssp. serpillifolia (HPSU; 2017)
Euphorbia virgata (WS; 1904)
Mercurialis annua (WS; 1910)
Acmispon americanus (HPSU, OSC, WS, WTU; 1979)
var. americanus (OSC, WS; 1902)
Acmispon nevadensis (WS; 1916)
var. nevadensis (WS; 1916)
Acmispon parviflorus (HPSU, OSC, REED, WS; 2010)
Acmispon wrangelianus (WS; 1911)
Amorpha fruticosa (OSC, SOC, SRP, WTU; 2008)
Astragalus collinus (HPSU; 1975)
Astragalus purshii (HPSU; 1994)
Astragalus succumbens (HPSU; 1996)
Cicer arietinum (WS; 1910)
Cytisus multiflorus (HPSU; 1983)
Cytisus scoparius (HPSU, REED, RM, USFS, WCW, WS, WTU; 2018)
var. scoparius (RM, USFS; 1920)
Galega officinalis (HPSU, OSC; 2019)
Glycyrrhiza lepidota (HPSU, OSC, WS, WTU; 2014)
Hosackia crassifolia (OSC, WS; 2006)
var. crassifolia (OSC, WS; 2006)
Hosackia pinnata (HPSU, OSC, WS; 1923)
Hosackia rosea (HPSU, OR, OSC, REED, WTU; 2018)
Laburnum anagyroidis (HOYT, HPSU; 2014)
Ladeania lanceolata (OSC; 1906)
Lathyrus aphaca (WS; 1912)
Lathyrus hirsutus (WS; 1910)
Lathyrus japonicus (WS, WTU; 1916)
Lathyrus latifolius (HPSU; 2006)
Lathyrus nevadensis (OSC, WTU; 1903)
var. nevadensis (OSC, WTU; 1903)
Lathyrus pauciflorus (WCW, WS; 1964)
Lathyrus polyphyllus (HPSU, OSC, REED, SOC, WCW, WS, WTU; 2016)
Lathyrus sylvestris (WTU; 1929)
Lathyrus torreyi (HPSU, REED; 1992)
Lespedeza pilosa (WS; 1910)
Lotus corniculatus (HPSU, REED, WS, WTU; 2019)
Lupinus albicaulis (HPSU, OSC, WTU; 1966)
Lupinus arboreus (REED, WS; 1964)
Lupinus arbustus (HPSU, OSC, WS; 1917)
Lupinus benthamii (WS; 1910)
Lupinus bicolor (HPSU, OSC, REED, WS, WTU; 2011)
Lupinus latifolius (HPSU, OSC, REED, WCW, WS; 1998)
var. latifolius (OSC, REED, WS; 1977)
var. subalpinus (REED, WCW; 1935)
Lupinus lepidus (OSC, WTU; 1889)
var. lepidus (OSC, WTU; 1889)
Lupinus microcarpus (WS; 1922)
Lupinus polyphyllus (HPSU, OSC, REED, WS, WTU; 2009)
var. pallidipes (WTU; 1925)
var. polyphyllus (HPSU, OSC, WS; 2009)
Lupinus rivularis (HPSU, OSC, WS, WTU; 2010)
ssp. latifolius (WTU; 1935)
Lupinus sericeus (OSC; 1911)
Medicago arabica (WS; 1904)
Medicago lupulina (HPSU, OSC, REED, WS, WTU; 2009)
Medicago minima (WS; 1910)
Medicago polymorpha (HPSU, OSC, WS, WTU; 1978)
Medicago sativa (HPSU, REED, WS, WTU; 1982)
ssp. falcata (HPSU; 1980)
Medicago turbinata (WS; 1916)
Melilotus albus (HPSU, REED, WTU; 1982)
Melilotus indicus (OSC, WS; 1912)
Melilotus officinalis (HPSU, OSC, REED, WS, WTU; 2010)
Ononis spinosa (OSC, WS, WTU; 1919)
ssp. hircina (WS; 1916)
ssp. maritima (OSC, WTU; 1919)
Robinia hispida (HPSU; 2017)
Robinia pseudoacacia (HPSU, WS; 2009)
Rupertia physodes (HPSU, REED, WTU; 1968)
Thermopsis gracilis (REED; 1977)
Trifolium albopurpureum (REED; 1964)
Trifolium alexandrinum (WTU; 1910)
Trifolium arvense (HPSU, ID, OSC, RM, WS, WTU; 2019)
Trifolium aureum (WS; 1910)
Trifolium bifidum (HPSU; 2004)
Trifolium campestre (HPSU, OSC, REED, WTU; 1982)
Trifolium depauperatum (WS; 1910)
Trifolium dubium (HPSU, OSC, REED, RM, UAAH; 2010)
Trifolium echinatum (OSC; 1902)
Trifolium fragiferum (OSC, WTU; 2013)
Trifolium glomeratum (WS; 1916)
Trifolium hybridum (HPSU, OSC, REED; 2009)
Trifolium incarnatum (HPSU, REED; 1975)
Trifolium longipes (HPSU; 1976)
Trifolium macraei (HPSU; 1976)
Trifolium microcephalum (OSC, REED; 1962)
Trifolium microdon (OSC; 1886)
Trifolium oliganthum (WS; 1877)
Trifolium phleoides (WS; 1907)
Trifolium pratense (HPSU, OSC, REED; 2009)
Trifolium repens (HPSU, OSC, REED, WS; 2009)
Trifolium scabrum (WS; 1906)
Trifolium squamosum (WS; 1902)
Trifolium striatum (OSC, WS; 1906)
Trifolium subterraneum (REED; 1967)
Trifolium tomentosum (WS; 1916)
Trifolium variegatum (REED, WS; 1927)
Trifolium willdenovii (WS; 1900)
Trifolium wormskioldii (HPSU; ?)
Vicia americana (HPSU, OSC, REED, WS; 2006)
var. americana (HPSU, OSC, WS; 1965)
var. minor (WS; 1902)
Vicia cracca (HPSU, REED, WS; 2010)
Vicia hirsuta (HPSU, OSC, RM, WS, WTU; 2018)
Vicia lutea (WS; 1912)
Vicia narbonensis (WS; 1912)
Vicia nigricans (HPSU, OSC, REED, WS, WTU; 2016)
var. gigantea (HPSU, OSC, REED, WS, WTU; 2016)
Vicia sativa (HPSU, OSC, REED, WS, WTU; 2018)
var. angustifolia (HPSU, OSC, REED, WS; 2018)
var. sativa (HPSU, OSC, WTU; 2018)
Vicia tetrasperma (HPSU, OSC, WS; 2019)
Vicia truncata (SRP; 1903)
Vicia villosa (HPSU, OSC, WS, WTU; 2009)
var. glabrescens (HPSU, WS; 2006)
var. villosa (OSC, WTU; 1926)
Castanea dentata (HPSU; 1979)
Castanea mollissima (HPSU; 2009)
Chrysolepis chrysophylla (REED, WCW; 1986)
Notholithocarpus densiflorus (HPSU; 2009)
Quercus garryana (HPSU, OSC, WCW, WS; 2018)
var. garryana (OSC; 1917)
Quercus kelloggii (WS; 1979)
Quercus robur (HPSU, OSC, WTU; 2019)
Quercus rubra (HPSU, OSC; 2011)
Frankenia pulverulenta (OSC, WS; 1902)
Aucuba japonica (HPSU, WTU; 2019)
Centaurium erythraea (HPSU, OSC, REED, WS, WTU; 2019)
Frasera albicaulis (OSC; 1925)
var. columbiana (OSC; 1925)
Gentiana sceptrum (OSC, WS, WTU; 2016)
Zeltnera muehlenbergii (REED; 1928)
Erodium botrys (WS; 1908)
Erodium cicutarium (HPSU, IDS, OSC, REED, WS, WTU; 2018)
Erodium moschatum (WS; 1908)
Geranium bicknellii (HPSU, OSC, WS; 1976)
Geranium carolinianum (HPSU, IDS, OSC, WS, WTU; 2004)
Geranium columbinum (HPSU; 1987)
Geranium dissectum (HPSU, OSC, WS, WTU; 2014)
Geranium lucidum (HOYT, HPSU, OSC, REED; 2017)
Geranium macrorrhizum (HPSU; 2014)
Geranium molle (HPSU, IDS, LINF, OSC, WS, WTU; 2014)
Geranium oreganum (HPSU, WS, WTU; 2016)
Geranium ×oxonianum (HPSU, WTU; 2019)
Geranium pusillum (HPSU, OSC, REED; 1977)
Geranium robertianum (HOYT, HPSU, OSC, SRP, WCW, WS, WTU; 2019)
Geranium viscosissimum (HPSU; 2013)
Ribes bracteosum (HPSU, ID, OSC, REED; 2019)
Ribes cereum (WS; 1882)
Ribes divaricatum (HPSU, ID, OSC, REED, WS; 2017)
var. divaricatum (OSC, WS; 1927)
Ribes lacustre (OSC, REED; 1954)
Ribes lobbii (HPSU, OSC, REED, WTU; 1978)
Ribes sanguineum (CIC, EWU, HOYT, HPSU, ID, IDS, LINF, OSC, REED, WCW, WS, WTU, WWB; 2017)
var. sanguineum (OSC; 1911)
Myriophyllum aquaticum (HPSU, WTU; 2017)
Myriophyllum hippuroides (OSC, REED, WTU; 2000)
Myriophyllum sibiricum (OSC, WS; 1916)
Myriophyllum spicatum (HPSU, OSC, REED, WTU; 2016)
Loropetalum chinense (NY; 2000)
Heliotropium curassavicum (OSC, WS, WTU; 1902)
var. obovatum (OSC, WTU; 1902)
Tournefortia sibirica (WTU; 1936)
Philadelphus lewisii (HOYT, HPSU, OSC, REED, WTU; 2019)
Whipplea modesta (OSC, WS; 1897)
Hydrophyllum capitatum (WTU; 1926)
var. thompsonii (WTU; 1926)
Hydrophyllum fendleri (REED; 1931)
var. albifrons (REED; 1931)
Hydrophyllum occidentale (HPSU; 1992)
Hydrophyllum tenuipes (HPSU, IDS, LINF, OSC, REED, WCW, WS, WTU, WWB; 2011)
Hydrophyllum thompsonii (OSC; 1914)
Nemophila menziesii (HPSU; 2008)
Nemophila parviflora (CIC, HPSU, OSC, REED, WS, WTU; 2017)
var. austiniae (REED; 1968)
var. parviflora (CIC, HPSU, OSC, REED; 2008)
Nemophila pedunculata (HPSU, OSC; 2018)
Phacelia heterophylla (HPSU; 1969)
Phacelia mutabilis (WTU; 1937)
Phacelia nemoralis (HPSU, OSC, REED, WS, WTU; 2019)
var. oregonensis (HPSU, OSC, WTU; 2019)
Phacelia tanacetifolia (OSC; 1882)
Phacelia thermalis (WS; 1910)
Romanzoffia sitchensis (HPSU, OSC, REED, WCW, WS, WTU, WWB; 1998)
Hypericum anagalloides (OSC, WS; 1927)
Hypericum androsaemum (HPSU, OSC, WTU; 2018)
Hypericum calycinum (HOYT, OSC, WTU; 2018)
Hypericum perforatum (HPSU, OSC, RM, WS, WTU; 2017)
Hypericum scouleri (OSC; 1935)
Juglans regia (HPSU; 2009)
Pterocarya fraxinifolia (WS; 1959)
Agastache occidentalis (HPSU; 1916)
Agastache urticifolia (REED; 1928)
Ajuga brockbankii (WCW; 1967)
Ajuga reptans (HPSU; 2006)
Ballota nigra (OSC; 1902)
ssp. foetida (OSC; 1902)
Clinopodium douglasii (OSC, REED; 1987)
Glechoma hederacea (HPSU, OSC, REED, SRP, WCW, WS; 2006)
Lamium amplexicaule (HPSU, OSC, REED, WS; 1975)
Lamium galeobdolon (HPSU, WTU; 2018)
Lamium hybridum (OSC; 1978)
Lamium maculatum (OSC, WTU; 1926)
Lamium purpureum (HPSU, OSC, WCW, WS; 2009)
Leonurus cardiaca (OSC, WS; 1902)
Lycopus americanus (HPSU, OSC, REED; 2014)
Lycopus asper (HPSU; 2010)
Lycopus uniflorus (HPSU, OSC, WTU; 2019)
Lycopus virginicus (REED; 1928)
Marrubium vulgare (HPSU; 2005)
Melissa officinalis (HPSU, OSC, REED, WS; 2019)
Mentha canadensis (HPSU, OR, OSC, REED, WS, WTU; 2019)
Mentha ×piperita (OSC, REED, UAAH, WS; 2006)
var. piperita (OSC, UAAH; 2006)
Mentha pulegium (HPSU, REED; 2010)
Mentha spicata (OSC, REED; 1972)
Mentha suaveolens (OSC; 1934)
Origanum vulgare (HPSU; 2010)
Physostegia parviflora (HPSU, OSC, REED, WS, WTU; 1928)
Prunella vulgaris (HPSU, OSC, REED, WS, WTU; 1997)
var. lanceolata (HPSU, OSC, WS; 1997)
Scutellaria galericulata (OSC; ?)
Scutellaria lateriflora (HPSU, OSC, WTU; 2018)
Stachys arvensis (WS, WTU; 1912)
Stachys bullata (WS, WTU; 1912)
Stachys byzantina (HPSU; 2018)
Stachys chamissonis (HOYT, WS; 2017)
Stachys cooleyae (HPSU, OSC, REED, WS, WTU; 2008)
Stachys mexicana (HPSU, ID, OSC, REED, WS, WTU; 1998)
Stachys palustris (WS; 1912)
Stachys pilosa (WS; 1916)
var. pilosa (WS; 1916)
Stachys rigida (HPSU, OSC, WTU; 2016)
Trichostema lanceolatum (REED; 1927)
Trichostema oblongum (REED; 1925)
Umbellularia californica (IDS, WTU; 2016)
Utricularia minor (REED, WTU; 2016)
Utricularia vulgaris (WS; 1885)
Floerkea proserpinacoides (OSC, WS; 1992)
Linum bienne (HPSU; 2018)
Linum lewisii (HPSU; 2001)
var. lewisii (HPSU; 2001)
Linum perenne (HPSU; 2001)
Linum usitatissimum (OSC, WS, WTU; 1925)
Lindernia dubia (HPSU, OSC, WS, WTU; 2019)
Linnaea borealis (HPSU, IDS, OSC, REED, WCW, WS, WTU; 1983)
ssp. longiflora (HPSU, OSC, REED, WCW, WS; 1977)
Mentzelia dispersa (WS; 1910)
Ammannia robusta (OSC; 1915)
Lythrum hyssopifolia (HPSU, WS; 2019)
Lythrum portula (HPSU, OSC, WTU; 2019)
Lythrum salicaria (HPSU, WTU; 2016)
Rotala ramosior (OSC; 1915)
Liriodendron tulipifera (HPSU, OSC; 2006)
Abutilon theophrasti (WS; 1910)
Iliamna rivularis (OSC; 1954)
Malva moschata (HPSU, OSC, WS, WTU; 2019)
Malva neglecta (HPSU, OSC, WS, WTU; 2019)
Malva parviflora (HPSU, OSC, WS; 2019)
Malva pusilla (OSC; 1919)
Malva sylvestris (HPSU, OSC, REED, WS; 1972)
Malvastrum coromandelianum (WS, WTU; 1911)
Modiola caroliniana (WS; 1916)
Sidalcea campestris (OSC, WS; 1980)
Sphaeralcea munroana (OSC; 1925)
Tilia americana (HOYT, HPSU; 2017)
var. caroliniana (HPSU; 1910)
Tilia cordata (HPSU; 2017)
Tilia platyphyllos (OSC, WTU; 2000)
Proboscidea louisianica (OSC; 1923)
Mazus pumilus (HPSU, OSC, WS, WTU; 2012)
Mazus rugosus (WS; 1915)
Menyanthes trifoliata (WTU; 2016)
Mollugo verticillata (HPSU, OSC, WS, WTU; 2010)
Calandrinia ciliata (OSC; 1885)
Claytonia cordifolia (REED, WCW; 1983)
Claytonia parviflora (HPSU, OSC, WS; 2017)
Claytonia perfoliata (HPSU, OSC, REED, WCW, WS, WTU, WWB; 1992)
Claytonia rubra (HPSU, OSC, WS, WTU; 1992)
Claytonia sibirica (HPSU, IDS, LINF, OSC, REED, WS, WTU; 2009)
Lewisia columbiana (OSC, REED; 1968)
var. columbiana (OSC; 1885)
Montia dichotoma (REED; 1967)
Montia diffusa (HPSU, OSC, WS; 1910)
Montia fontana (OSC, REED; 1967)
Montia howellii (OSC; 1884)
Montia linearis (HPSU, OSC, REED; 2017)
Montia parvifolia (HPSU, OSC, REED, WS, WTU; 2006)
Montia sibirica (WCW; 1972)
var. sibrica (WCW; 1972)
Morus alba (OSC, WTU; 2012)
Morella californica (HPSU, OSC; 1982)
Myrica gale (HPSU, OSC, WTU; 2016)
Peganum harmala (WS; 1902)
Nuphar polysepala (HPSU, OSC, REED, WTU; 2010)
Nymphaea odorata (OSC, WTU; 2016)
ssp. odorata (WTU; 2016)
Forsythia viridissima (HPSU; 1958)
Fraxinus excelsior (HPSU; 2017)
Fraxinus latifolia (HPSU, OSC, REED, SRP, WS; 2018)
Jasminum nudiflorum (HPSU; 2019)
Ligustrum vulgare (HPSU, USFS, WTU; 2019)
Syringa vulgaris (HPSU, REED; 2008)
Chamaenerion angustifolium (HPSU, OSC, REED, WTU; 1982)
ssp. circumvagum (OSC; 1918)
Circaea alpina (HOYT, HPSU, OSC, REED, WTU; 2014)
ssp. pacifica (HPSU, OSC, WTU; 1960)
Clarkia amoena (HPSU, OSC, WS, WTU; 2019)
Clarkia gracilis (OSC; 1888)
ssp. gracilis (OSC; 1888)
Clarkia pulchella (WS; 1912)
Clarkia purpurea (OSC, WS; 1902)
ssp. quarivulnera (WS; 1883)
Clarkia quadrivulnera (OSC; 1902)
Clarkia rhomboidea (HPSU; 1905)
Clarkia viminea (REED; 1925)
Epilobium brachycarpum (HPSU, OSC, WS, WTU; 2019)
Epilobium ciliatum (HPSU, OSC, REED, WS, WTU; 2010)
Epilobium densiflorum (HPSU, OSC, REED, WS; 2017)
Epilobium glandulosum (HPSU, OSC; 1995)
Epilobium hirsutum (HPSU; 2019)
Epilobium minutum (HPSU, OSC, WS, WTU; 1996)
Epilobium oreganum (HPSU; 1915)
Epilobium oregonense (REED; 1906)
Epilobium tetragonum (WS; 1912)
ssp. lamyi (WS; 1912)
Epilobium torreyi (HPSU, OSC; 2018)
Ludwigia palustris (HPSU, OSC, WS, WTU; 2019)
Ludwigia peploides (HPSU, OSC, WTU; 2017)
ssp. montevidensis (HPSU, OSC, WTU; 2017)
Oenothera biennis (HPSU, OSC, REED, WS; 1982)
Oenothera elata (HPSU; 1916)
Oenothera glazioviana (HPSU; 2014)
Oenothera pallida (HPSU, OSC; 1938)
ssp. pallida (OSC; 1938)
Oenothera stricta (WS; 1900)
Taraxia tanacetifolia (OSC; 1889)
Aphyllon purpureum (HPSU, OSC, REED; 2018)
Aphyllon uniflorum (HPSU, WTU; 2017)
Bellardia viscosa (HPSU, OSC, REED, WS, WTU; 2010)
Castilleja angustifolia (REED; 1927)
var. angustifolia (REED; 1927)
Castilleja attenuata (REED; 1927)
Castilleja covilleana (SRP; 1972)
Castilleja hispida (HPSU, OSC, REED, WS; 1975)
var. acuta (HPSU; 1975)
var. hispida (OSC, REED, WS; 1917)
Castilleja levisecta (NY; 1905)
Castilleja miniata (OSC, REED, WS; 1927)
var. miniata (OSC; 1911)
Castilleja parviflora (HPSU; 1975)
Castilleja rupicola (OSC, WTU; 1996)
Castilleja suksdorfii (HPSU, OSC, WTU; 1979)
Castilleja tenuis (OSC, WS; 1902)
Euphrasia nemorosa (OSC; 2006)
Kopsiopsis hookeri (WTU; 2016)
Orobanche minor (HPSU, IDS, OSC, REED, WTU; 2018)
Orthocarpus bracteosus (WS; 1885)
Pedicularis groenlandica (HPSU, WTU; 2019)
Triphysaria pusilla (HPSU, OSC, WS; 2019)
Oxalis corniculata (HPSU, OSC, WS; 2006)
Oxalis oregana (EWU, HPSU, OSC, REED, WCW, WTU; 2006)
Oxalis suksdorfii (HPSU, NY, OSC, REED, WS, WTU; 2018)
Oxalis trilliifolia (HPSU, OSC, REED; 2006)
Bikukulla formosa (REED; 1930)
Capnoides scouleri (REED; 1930)
Chelidonium majus (HPSU; 2013)
Corydalis aquae-gelidae (WCW, WS; 1974)
Corydalis lutea (HPSU, OSC, WS; 2005)
Corydalis scouleri (HPSU, OSC, REED, SOC, WCW, WTU; 2019)
Dicentra cucullaria (HPSU, ID, OSC, WS, WTU; 1987)
Dicentra formosa (EWU, HPSU, IDS, LINF, OSC, REED, SRP, WCW, WS; 2008)
ssp. formosa (OSC, WCW; 1972)
Dicentra spectabilis (HPSU; 2006)
Eschscholzia californica (HPSU, OSC, REED, WS; 2006)
ssp. californica (WS; 1902)
Fumaria officinalis (HPSU, WS; 2006)
Glaucium flavum (WS; 1914)
Papaver dubium (OSC, WS; 1922)
Papaver rhoeas (WS; 1912)
Papaver somniferum (OSC, WS; 1910)
Paulownia tomentosa (HPSU, WS, WTU; 2019)
Erythranthe alsinoides (HPSU, LINF, OSC, WCW, WS, WTU, WWB; 2011)
Erythranthe breviflora (OSC, WS; 1894)
Erythranthe decora (OSC; 1927)
Erythranthe floribunda (OSC, WS; 1922)
Erythranthe guttata (HPSU, OSC, REED, WS, WTU; 2018)
Erythranthe lewisii (REED; 1977)
Erythranthe microphylla (HPSU, OSC, WCW, WS; 1965)
Erythranthe moschata (HPSU, OSC, REED, WS; 2017)
Erythranthe nasuta (HPSU, OSC, REED; 2019)
Erythranthe primuloides (HPSU; 1978)
Erythranthe ptilota (OSC; 1902)
Erythranthe pulsiferae (HPSU, OSC; 1988)
Erythranthe tilingii (WCW; 1964)
Mimetanthe pilosa (OSC; 1922)
Mimulus guttatus (SRP; 1903)
Mimulus ringens (OR; 2019)
Mimulus washingtonensis (WS; 1894)
ssp. washingtonensis (WS; 1894)
Phytolacca americana (HPSU, OSC, WTU; 2019)
var. americana (WTU; 2016)
Antirrhinum majus (WS; 1918)
Callitriche heterophylla (OSC, SRP; 1991)
var. heterophylla (OSC; 1991)
Callitriche palustris (OSC, WTU; 2012)
Callitriche stagnalis (HPSU, OSC, WTU; 2018)
Chelone nemorosa (REED; 1928)
Collinsia grandiflora (HPSU, OSC, REED, WS, WTU; 1995)
Collinsia parviflora (HPSU, ID, OSC, REED, WCW, WS, WTU, WWB; 1979)
Cymbalaria muralis (HPSU, OSC, WS, WTU; 2020)
Digitalis purpurea (HPSU, OSC, REED, WS, WTU; 2006)
Gratiola ebracteata (HPSU, OSC, WS; 2004)
Gratiola neglecta (HPSU, OSC, WS, WTU; 2019)
Gratiola virginiana (HPSU; 1915)
Hebe buxifolia (NY; 2000)
Hippuris vulgaris (HPSU, WS; 2014)
Linaria dalmatica (HPSU, WS, WTU; 2016)
Linaria purpurea (HPSU; 2001)
Linaria vulgaris (HPSU, OSC, REED, WS, WTU; 2019)
Misopates orontium (HPSU, OSC; 2019)
Nothochelone nemorosa (ID, NY, OSC, WS; 2000)
Penstemon anguineus (WS; 1886)
Penstemon barrettiae (HOYT; 1986)
Penstemon cardwellii (HPSU, NY, OSC, WS, WTU; 1982)
Penstemon deustus (WS; 1922)
Penstemon diffusus (REED; 1927)
Penstemon fruticosus (HPSU; 2006)
var. fruticosus (HPSU; 2006)
Penstemon ovatus (HPSU, NY, OSC, WS, WTU; 2019)
Penstemon procerus (REED; 1928)
Penstemon richardsonii (NY, OSC, REED, SOC, SRP, WTU; 1961)
var. richardsonii (NY, OSC, SRP; 1961)
Penstemon rupicola (NY, OSC, REED, WTU; 1972)
Penstemon serrulatus (HPSU, ID, NY, OSC, REED, SRP, WS, WTU; 2000)
Penstemon speciosus (REED; 1928)
Penstemon subserratus (OSC, WS; 1953)
Plantago arenaria (HPSU, OSC, UAAH, WS, WTU; 2015)
Plantago asiatica (HPSU; 1915)
Plantago coronopus (WTU; 1916)
Plantago elongata (WS; 1902)
Plantago lanceolata (HPSU, OSC, REED, WS; 2006)
Plantago major (HPSU, OSC, REED, WS, WTU; 2010)
Plantago pusilla (OSC, WS; 1904)
Plantago virginica (OSC; 2004)
Synthyris missurica (WTU; 1928)
var. stellata (WTU; 1928)
Tonella tenella (HPSU, ID, OSC, REED; 1988)
Veronica agrestis (OSC, WS; 1902)
Veronica americana (HPSU, OSC, REED, WS, WTU; 2010)
Veronica anagallis-aquatica (HPSU; 2011)
Veronica arvensis (HPSU, OSC, USFS, WS; 2010)
Veronica chamaedrys (HPSU; 1976)
Veronica filiformis (HPSU, OSC; 2001)
Veronica missurica (EWU, HPSU, ID, NY, OSC, WCW, WS, WTU, WWB; 2003)
ssp. stellata (EWU, HPSU, NY, OSC, WCW, WS, WTU; 2003)
Veronica officinalis (OSC; 2005)
Veronica peregrina (HPSU, OSC, WS; 1915)
var. peregrina (OSC; 1902)
var. xalapensis (OSC, WS; 1902)
Veronica persica (HPSU, WS; 2019)
Veronica regina-nivalis (HPSU, ID, OSC, WCW, WS; 1975)
Veronica scutellata (HPSU, OSC, WS; 2010)
Veronica serpyllifolia (HPSU, OSC, WS, WTU; 2009)
var. humifusa (OSC; 1903)
var. serpyllifolia (OSC, WTU; 1992)
Veronica undulata (OSC, WS; 1902)
Veronica wormskjoldii (HPSU; 2018)
Platanus occidentalis (HOYT; 2017)
Collomia grandiflora (HPSU, OSC, REED, WS; 1991)
Collomia heterophylla (HPSU, OSC, REED, SRP, WS, WTU; 2008)
Gilia achilleifolia (WS; 1902)
ssp. multicaulis (WS; 1902)
Gilia capitata (HPSU, OSC, REED, WS, WTU; 2019)
ssp. capitata (HPSU, OSC; 2019)
Gilia inconspicua (OSC; 1885)
Leptosiphon bicolor (OSC; 1910)
Microgilia minutiflora (HPSU; 1996)
Microsteris gracilis (OSC; 1953)
Navarretia intertexta (OSC; 1902)
Navarretia squarrosa (HPSU, WS, WTU; 2019)
Phlox hoodii (WCW, WS; 1979)
ssp. canescens (WS; 1922)
Polemonium carneum (OSC, REED; 1953)
Bistorta bistortoides (OSC; 1927)
Emex australis (WS; 1902)
Eriogonum compositum (HPSU, OSC; 1983)
var. compositum (HPSU, OSC; 1983)
Eriogonum nudum (OSC; 1915)
var. nudum (OSC; 1915)
Eriogonum sphaerocephalum (REED; 1928)
Fallopia baldschuanica (HPSU, OSC, REED; 2019)
Fallopia ×bohemica (HPSU, OSC; 2019)
Fallopia convolvulus (OSC, REED, WS, WTU; 1969)
Fallopia japonica (CIC, HPSU, OSC, SRP; 2017)
Fallopia sachalinensis (HPSU, OSC, REED, WTU; 2016)
Oxyria digyna (REED; 1969)
Persicaria amphibia (HPSU, OSC, REED, WS, WTU; 2017)
Persicaria hydropiper (HPSU, OSC, WS; 2017)
Persicaria hydropiperoides (HPSU, OSC, WS; 2019)
Persicaria lapathifolia (HPSU, OSC, WS, WTU; 2019)
Persicaria maculosa (HPSU, OSC, REED, WS, WTU; 2017)
Persicaria posumbu (WS; 1910)
Persicaria punctata (OSC, WS, WTU; 1927)
Persicaria virginiana (HPSU; 2017)
Polygonum aviculare (HPSU, OSC, REED, WS, WTU; 2010)
ssp. depressum (WTU; 1995)
ssp. rurivagum (WS; 1912)
Polygonum cascadense (OSC; 1977)
Polygonum douglasii (OSC; 1902)
Polygonum erectum (WS; 1910)
Polygonum nuttallii (OSC, WS; 1932)
Polygonum ramosissimum (WS; 1901)
Polygonum senticosum (WS; 1910)
Polygonum spergulariiforme (OSC, WS; 1909)
Rumex acetosella (HPSU, OSC, REED, RM, WCW, WS; 2010)
Rumex conglomeratus (HPSU, OSC; 2010)
Rumex crispus (HPSU, OSC, REED, WTU; 2010)
Rumex dentatus (OSC; 1902)
Rumex maritimus (OSC; 1915)
ssp. fueginus (OSC; 1915)
Rumex obtusifolius (HPSU, OSC, REED; 1982)
Rumex occidentalis (HPSU, OSC, REED; 2009)
Rumex salicifolius (HPSU, REED, WS, WTU; 2016)
var. denticulatus (WS; 1902)
var. mexicanus (HPSU; 1976)
Rumex sanguineus (HPSU, WS; 2019)
Rumex venosus (REED, SOC; 1966)
Portulaca oleracea (HPSU, OSC, REED, WS, WTU; 2018)
Cyclamen hederifolium (HPSU; 2019)
Dodecatheon conjugens (EWU; 1928)
Dodecatheon dentatum (EWU, HPSU, ID, OSC, REED, WS, WTU; 1989)
var. dentatum (WTU; 1928)
Dodecatheon jeffreyi (HPSU; 1988)
Dodecatheon pulchellum (OSC, REED; 1968)
var. macrocarpum (OSC; 1936)
var. pulchellum (REED; 1968)
Dodecatheon vulgare (REED; 1926)
Lysimachia arvensis (HPSU, OSC, REED, WS; 1993)
Lysimachia ciliata (OSC, WS, WTU; 1929)
Lysimachia europaea (HPSU, REED; 2018)
Lysimachia latifolia (HPSU, LINF, OSC, REED, WS; 2019)
Lysimachia minima (IDS, OSC; 1993)
Lysimachia nummularia (HPSU, IDS, OSC, REED, WS, WTU; 2016)
Lysimachia punctata (HPSU, OSC, WTU; 2018)
Lysimachia thyrsiflora (WS; 1900)
Primula parryi (WCW; 1964)
Aconitum columbianum (WS; 1916)
ssp. columbianum (WS; 1916)
Actaea elata (HPSU, OSC, REED, WS, WTU; 2015)
Actaea rubra (HPSU, OR, OSC, REED, WCW, WS; 2019)
Anemone deltoidea (HPSU, IDS, OSC, REED, WCW, WS, WTU; 1995)
Anemone lyallii (OSC, REED, WTU; 1930)
Anemone occidentalis (HPSU; 1884)
Anemone oregana (EWU, HPSU, REED, WCW; 1998)
Aquilegia coerulea (HPSU; 1975)
Aquilegia formosa (HPSU, OSC, REED, WS; 2006)
Aquilegia vulgaris (HPSU; 2006)
Caltha biflora (HPSU; 2001)
Caltha palustris (OSC; 1922)
Ceratocephala testiculata (HPSU; 1992)
Clematis ligusticifolia (HPSU, OSC, WTU; 1983)
Clematis vitalba (OSC, UAAH, WTU; 2012)
Delphinium ajacis (OSC, REED; 1968)
Delphinium basalticum (REED, WTU; 1969)
Delphinium consolida (OSC; 1918)
Delphinium glareosum (OSC; 2007)
Delphinium glaucum (PLU, WS; 1998)
Delphinium leucophaeum (HPSU, OSC; 1925)
Delphinium menziesii (HPSU, REED, WCW; 2018)
Delphinium nuttallianum (HPSU, REED, SOC; 1998)
Delphinium nuttallii (HPSU, OSC, REED, WTU; 2019)
Delphinium occidentale (WS; 1981)
Delphinium trolliifolium (HPSU, ID, OSC, REED, SOC, WS, WTU; 2006)
Enemion hallii (OSC, WTU; 1975)
Ficaria verna (HOYT, HPSU, OSC, WTU; 2020)
Halerpestes cymbalaria (HPSU, OSC, WS; 1915)
Myosurus minimus (HPSU; 1886)
Nigella damascena (HPSU; 2006)
Ranunculus acris (HPSU, REED, WS, WTU; 2016)
Ranunculus alismifolius (REED; 1931)
Ranunculus aquatilis (HPSU, OSC, REED; 2010)
var. aquatilis (OSC, REED; 1967)
var. diffusus (REED; 1989)
Ranunculus arvensis (WS; 1912)
Ranunculus bulbosus (WS; 1916)
Ranunculus californicus (OSC; 1889)
var. cuneatus (OSC; 1889)
Ranunculus flammula (HPSU, OSC, REED, WS; 1967)
var. flammula (WS; 1917)
var. ovalis (HPSU, WS; 1953)
var. reptans (HPSU, REED; 1915)
Ranunculus gmelinii (REED; 1926)
Ranunculus hispidus (REED; 1989)
Ranunculus lobbii (WTU; 1992)
Ranunculus macounii (HPSU, OSC, WTU; 1975)
Ranunculus maximus (HPSU; 1916)
Ranunculus occidentalis (HPSU, OSC, REED; 1977)
Ranunculus orthorhynchus (HPSU, OSC, REED, WS; 1976)
var. orthorhynchus (OSC, REED; 1967)
Ranunculus parviflorus (HPSU, REED, WTU; 2014)
Ranunculus populago (HPSU; 1976)
Ranunculus repens (HPSU, OSC, REED, RM, WS, WTU; 2009)
Ranunculus sardous (HPSU, OSC, WS, WTU; 1992)
Ranunculus sceleratus (HPSU, OSC, REED, WS, WTU; 2017)
var. multifidus (OSC, WS; 1902)
var. sceleratus (HPSU, OSC, WTU; 2017)
Ranunculus uncinatus (HPSU, OSC, REED, WS, WTU; 2009)
Thalictrum occidentale (HPSU, LINF, OSC, REED, WCW, WS, WWB; 2019)
Thalictrum polycarpum (REED, WCW; 1978)
Trautvetteria caroliniensis (HPSU, OSC, WTU; 1970)
Reseda lutea (OSC, WS, WTU; 1922)
Reseda luteola (OSC, WS, WTU; 1925)
Ceanothus prostratus (OSC; 1937)
Ceanothus sanguineus (HPSU, OSC, REED, WTU; 2016)
Frangula purshiana (HPSU, OSC, REED, WS; 2019)
Agrimonia gryposepala (OSC; 1882)
Amelanchier alnifolia (HPSU, LINF, OSC, REED, SOC, SRP, WCW, WS, WTU; 2018)
Amelanchier utahensis (REED; 1930)
Aphanes arvensis (WS; 1904)
Aphanes australis (WTU; 2014)
Aphanes occidentalis (OSC, REED, WTU; 2004)
Aruncus dioicus (HPSU, OSC, REED, RM, WS, WTU; 2009)
var. acuminatus (HPSU, OSC, RM; 2009)
var. dioicus (HPSU; 1909)
var. vulgaris (HPSU, REED, WS, WTU; 2006)
Cercocarpus betuloides (REED; 1937)
Chaenomeles japonica (HPSU; 1958)
Comarum palustre (OSC; 1883)
Cotoneaster dielsianus (OSC, WTU; 2010)
Cotoneaster franchetii (HPSU, OSC, WTU; 2016)
Cotoneaster horizontalis (HPSU, WTU; 2017)
Cotoneaster induratus (REED; 1937)
Cotoneaster lacteus (WTU; 2010)
Cotoneaster ×suecicus (WTU; 2000)
Crataegus douglasii (HPSU, OSC; 2019)
Crataegus gaylussacia (ID, OSC, WTU; 2016)
Crataegus heterophylla (HPSU, WTU; 2016)
Crataegus monogyna (HPSU, OSC, USFS, WTU; 2016)
Crataegus monogyna × Crataegus gaylussacia (WTU; 2005)
Crataegus phaenopyrum (HPSU; 2019)
Drymocallis glandulosa (HPSU, OSC; 2019)
ssp. glandulosa (OSC; 1889)
Duchesnea indica (HPSU, OSC, WTU; 2019)
Fragaria ×ananassa (HPSU, OSC, REED; 1928)
ssp. ananassa (OSC; 1892)
ssp. cuneifolia (HPSU, OSC, REED; 1928)
Fragaria chiloensis (HPSU; 1889)
Fragaria vesca (HPSU, OSC, REED, SRP, WCW, WS; 2015)
ssp. californica (HPSU, OSC, REED, WCW, WS; 2015)
Fragaria virginiana (HPSU, REED; 1977)
ssp. glauca (REED; 1977)
Geum aleppicum (REED; 2000)
Geum macrophyllum (HOYT, HPSU, OSC, REED, WCW, WS; 2019)
Geum macrophyllum × Geum urbanum (HPSU, WTU; 2019)
Geum urbanum (HOYT, HPSU, OSC, SRP, WTU; 2019)
Holodiscus discolor (HPSU, IDS, OSC, REED, SOC, WS, WTU; 2018)
var. discolor (HPSU, OSC; 2017)
Luetkea pectinata (SRP; 2010)
Malus domestica (HOYT, WTU; 2013)
Malus fusca (HPSU, OSC, REED; 2018)
Malus pumila (HPSU, OSC, REED, WS; 2018)
Oemleria cerasiformis (EWU, HOYT, HPSU, IDS, OSC, REED, SOC, WCW, WS; 2018)
Physocarpus capitatus (HPSU, OSC, REED, WTU; 2009)
Physocarpus malvaceus (OSC; 1882)
Potentilla anserina (HPSU, OSC, WTU; 2016)
ssp. anserina (OSC, WTU; 2016)
Potentilla biennis (HPSU; 1915)
Potentilla gracilis (HOYT, HPSU, OSC, WS, WTU; 2014)
var. gracilis (OSC, WS, WTU; 1925)
Potentilla norvegica (HPSU, OSC, SOC, WS, WTU; 2017)
Potentilla recta (HOYT, HPSU, WTU; 2016)
Potentilla reptans (HPSU, WS; 2018)
Potentilla rivalis (HPSU, OSC, WS, WTU; 1927)
Poteridium annuum (HPSU, OSC, SOC, WTU; 2019)
Poterium sanguisorba (HPSU, WS; 1976)
var. polygamum (HPSU, WS; 1976)
Prunus avium (HOYT, HPSU, REED; 2013)
Prunus cerasifera (HPSU; 2019)
Prunus domestica (HPSU; 2019)
Prunus emarginata (HPSU, OSC, REED, WS, WTU; 2019)
Prunus laurocerasus (HPSU, OSC, WTU; 2009)
Prunus mahaleb (WS, WTU; 2003)
Prunus ×pugetensis (OSC, WTU; 2013)
Prunus virginiana (HPSU, OSC, REED, WS, WTU; 2016)
Pyracantha fortuneana (OSC, WTU; 2006)
Rosa canina (HPSU, WTU; 2016)
Rosa gymnocarpa (HPSU, OSC, REED, SOC, WS, WTU; 2009)
ssp. gymnocarpa (OSC, WTU; 1926)
Rosa multiflora (HOYT, WTU; 2017)
Rosa nutkana (HPSU, OSC, REED, WTU; 2009)
ssp. macdougalii (OSC; 1915)
ssp. nutkana (HPSU, OSC, REED; 2006)
Rosa pisocarpa (HPSU, OSC, SOC, WTU; 2016)
var. pisocarpa (OSC; 1902)
Rosa rubiginosa (HPSU, OSC; 1951)
Rosa woodsii (HPSU, WS; 2007)
Rubus armeniacus (HPSU; 2019)
Rubus bifrons (HPSU, REED; 1979)
Rubus laciniatus (HPSU, REED; 2006)
Rubus lasiococcus (HPSU, OSC; 1970)
Rubus leucodermis (HPSU, OSC, REED, WS; 2017)
Rubus parviflorus (HOYT, HPSU, LINF, OSC, REED, WS; 2017)
Rubus pedatus (HPSU, OSC; 2008)
Rubus praecox (HPSU; 2019)
Rubus spectabilis (HOYT, HPSU, OSC, REED, WCW, WS; 2017)
Rubus ursinus (HOYT, HPSU, OSC, REED, WCW, WS, WTU; 2013)
Sanguisorba officinalis (HPSU; 2002)
Sorbus aucuparia (HPSU; 2009)
Sorbus scopulina (HPSU; 2007)
Sorbus sitchensis (HPSU, REED; 1978)
Spiraea betulifolia (REED; 1927)
var. corymbosa (REED; 1927)
Spiraea douglasii (HPSU, OSC, REED, WS, WTU; 2010)
ssp. douglasii (HPSU; 2010)
var. douglasii (OSC; 1988)
Spiraea hypericifolia (HPSU; 1958)
Spiraea lucida (HPSU, OSC, WS, WTU; 2018)
Spiraea ×pyramidata (OSC; 1911)
Spiraea ×sanssouciana (HPSU; 2019)
Spiraea splendens (HPSU, WTU; 2016)
Spiraea tomentosa (REED; 1925)
Galium aparine (HPSU, OSC, REED, WS; 2010)
Galium boreale (OSC, REED, WTU; 1928)
Galium divaricatum (HPSU; 2019)
Galium mexicanum (HPSU, WCW, WS; 1981)
ssp. asperulum (HPSU, WCW, WS; 1981)
Galium mollugo (HPSU, OSC, WCW, WS, WTU; 1982)
Galium odoratum (HPSU, OSC, WCW, WTU; 2007)
Galium oreganum (OSC, REED, WTU; 1977)
Galium parisiense (HPSU; 1993)
Galium tricornutum (WS, WTU; 1916)
Galium trifidum (HPSU, OSC, REED, WS; 2018)
Galium triflorum (HPSU, OSC, REED, WS, WTU; 2018)
Galium uliginosum (WS; 1914)
Galium verum (HPSU, OSC, WS, WTU; 2017)
Sherardia arvensis (HPSU, WS, WTU; 1925)
Skimmia japonica (NY; 2000)
Populus alba (HOYT, WTU; 2015)
Populus balsamifera (WTU; 1926)
Populus tremuloides (OSC, REED, WTU; 2015)
Populus trichocarpa (HPSU, OSC, REED, SRP, WS; 2014)
Salix amygdaloides (EWU; 2013)
Salix commutata (HPSU; 2001)
Salix exigua (HPSU, NY, OR, OSC, REED, RM, WS, WTU; 2019)
var. columbiana (HPSU, OR, OSC, REED, RM, WS, WTU; 2019)
var. exigua (NY; 1922)
Salix exigua × Salix fluviatilis (WTU; 2002)
Salix geyeriana (HPSU; 2000)
Salix hookeriana (HPSU, OSC, REED, WS; 2018)
Salix lasiandra (HPSU, OSC, WTU; 2010)
var. lasiandra (HPSU, OSC, WTU; 2007)
Salix melanopsis (OSC, WS, WTU; 2007)
Salix pedicellaris (HPSU, OSC; 2000)
Salix planifolia (HPSU; 2017)
var. planifolia (HPSU; 2000)
Salix prolixa (OSC, WTU; 1992)
Salix scouleriana (HPSU, OSC, SOC; 2019)
Salix sessilifolia (OSC; 1992)
Salix sitchensis (HPSU, OSC, REED, WS, WTU; 2019)
var. sitchensis (OSC; 1954)
Acer amplum (HOYT; 2017)
Acer campestre (HPSU, OSC, WS; 2019)
Acer circinatum (HPSU, ID, IDS, OSC, REED, SRP, WCW, WTU; 2009)
Acer glabrum (HPSU, OSC, REED, WTU; 2017)
var. douglasii (HPSU, OSC, REED, WTU; 2017)
Acer heldreichii (WTU; 2016)
ssp. trautvetteri (WTU; 2016)
Acer macrophyllum (CIC, EWU, HOYT, HPSU, IDS, MONT, OSC, REED, SRP, WS, WTU; 2019)
Acer negundo (HPSU, REED; 2019)
Acer palmatum (HPSU; 2011)
Acer plantanoides (WS; 2005)
Acer platanoides (HPSU, OSC, WTU; 2016)
Acer pseudoplatanus (HPSU, OSC, WTU; 2016)
Acer rubrum (HPSU; 2019)
Acer saccharinum (HPSU; 2019)
Aesculus hippocastanum (HPSU, OSC, WTU; 2018)
Houttuynia cordata (HPSU, WTU; 2019)
Bensoniella oregona (HPSU, OSC; 1983)
Bergenia crassifolia (HPSU; 1958)
Bolandra oregana (HPSU, OSC, REED, WS, WTU; 2000)
Boykinia major (HPSU; 2013)
Boykinia occidentalis (HPSU; 2019)
Cascadia nuttallii (OSC, WS; 1917)
Chrysosplenium glechomifolium (HPSU, OSC; 2018)
Heuchera chlorantha (OSC, WTU; 1926)
Heuchera cylindrica (HPSU; 1916)
Heuchera glabra (OSC, WS; 1995)
Heuchera grossulariifolia (OSC, WS; 1995)
var. grossulariifolia (WS; 1995)
var. tenuifolia (OSC; 1890)
Heuchera micrantha (HPSU, OSC, REED, WS, WTU; 2018)
var. diversifolia (OSC; 1888)
var. micrantha (HPSU, OSC, REED, WS, WTU; 2018)
Heuchera sanguinea (HPSU; 1982)
Lithophragma glabrum (ID, OSC; 1965)
Lithophragma parviflorum (HPSU, OSC, SOC, SRP; 1975)
Lithophragma tenellum (REED; 1928)
Micranthes ferruginea (HPSU, REED; 2017)
Micranthes fragosa (OSC, REED, WCW, WS, WTU; 1976)
Micranthes gormanii (HPSU, OSC, WS; 2018)
Micranthes integrifolia (HPSU, OSC, REED; 1974)
Micranthes marshallii (HPSU, ID, OSC, WTU; 2015)
Micranthes nidifica (HPSU; 1975)
Micranthes occidentalis (EWU, HPSU, WCW, WS, WTU, WWB; 2015)
Micranthes oregana (WS; 1916)
Micranthes rufidula (HPSU, ID, LINF, OSC, REED, SRP, WS, WTU; 2018)
Micranthes tolmiei (REED; 1967)
Mitellastra caulescens (HPSU, OSC, REED, WS; 2009)
Pectiantia ovalis (HPSU, OSC, WTU; 1979)
Saxifraga bronchialis (OSC; 1888)
Saxifraga cespitosa (OSC, REED, WS, WTU; 1972)
Saxifraga marshallii (WS; 1925)
ssp. marshallii (WS; 1925)
Saxifraga mertensiana (HPSU, OSC, REED, SOC, SRP, WS, WWB; 1989)
var. glandipilosa (WS; 1885)
Saxifraga sibthorpii (WS; 1917)
Saxifraga tridactylites (HPSU, OSC, WTU; 2017)
Saxifraga vespertina (OSC, REED, WS, WTU; 1972)
Suksdorfia violacea (WTU; 1928)
Sullivantia oregana (OSC, WS, WTU; 1998)
Tellima grandiflora (HOYT, HPSU, IDS, LINF, OSC, REED, SRP, WCW, WS, WWB; 2013)
Tiarella trifoliata (HPSU, ID, OSC, REED, WCW, WS, WTU; 2015)
var. trifoliata (HPSU, OSC, REED, WS, WTU; 2015)
var. unifoliata (OSC, REED; 1964)
Tolmiea diplomenziesii (OSC; 1882)
Tolmiea menziesii (HPSU, IDS, OSC, REED, WS; 2011)
Buddleja davidii (HPSU, REED; 2017)
Limosella aquatica (HPSU, OSC, WS, WTU; 2019)
Scrophularia californica (HPSU, OSC, WS, WTU; 2018)
Scrophularia lanceolata (HPSU, OSC, REED; 1939)
Scrophularia umbrosa (WS; 1910)
Verbascum blattaria (HPSU, OSC, REED, WS; 2010)
Verbascum phlomoides (WS; 1911)
Verbascum speciosum (OSC; 1909)
Verbascum thapsus (HPSU, OSC, REED; 2010)
Ailanthus altissima (HPSU, WS; 2019)
Calibrachoa parviflora (OSC; 1902)
Datura discolor (WS; 1898)
Datura stramonium (HPSU, WS; 2013)
Hyoscyamus niger (WS; 1903)
Lycium barbarum (WS; 1915)
Lycium chinense (OSC; 1915)
Nicotiana acuminata (OSC; 2006)
var. multiflora (OSC; 2006)
Nicotiana attenuata (HPSU, OSC, WS; 1922)
Nicotiana rustica (OSC; 1902)
Physalis longifolia (WS; 1901)
Physalis philadelphica (OSC; 1885)
Solanum americanum (HPSU, OSC, WS, WTU; 2019)
Solanum carolinense (WTU; 1961)
Solanum dulcamara (HPSU, IDS, OSC, REED, WTU; 2010)
Solanum lycopersicum (WS; 1900)
Solanum nigrum (HPSU, OSC, REED, SRP, WTU; 2017)
Solanum physalifolium (HPSU, OSC, REED; 2002)
Solanum sisymbriifolium (OSC, WTU; 1927)
Solanum triflorum (HPSU, OSC; 1922)
Solanum umbelliferum (OSC; 1902)
Camellia sasanqua (WCW; 1964)
Daphne laureola (HPSU, WTU; 2013)
Ulmus americana (HPSU, WTU; 2016)
Ulmus procera (WTU; 2010)
Urtica dioica (HPSU, OSC, REED, SOC, WS; 2009)
ssp. dioica (OSC, SOC, WS; 1922)
ssp. gracilis (HPSU, OSC, REED, WS; 2009)
ssp. holosericea (OSC; 1911)
Urtica urens (OSC, WS; 1944)
Centranthus ruber (WTU; 2016)
Plectritis brachystemon (OSC, WS; 1922)
Plectritis ciliosa (WS; 1990)
Plectritis congesta (HPSU, OSC, REED, SOC, WCW, WS, WTU; 1995)
Valeriana acutiloba (HPSU, WCW; 1964)
var. pubicarpa (WCW; 1964)
Valeriana dioica (HPSU; 1975)
Valeriana hookeri (OSC; 1972)
Valeriana occidentalis (HPSU; 1975)
Valeriana scouleri (HPSU, IDS, OSC, REED, WCW, WS; 2019)
Valeriana sitchensis (HPSU, IDS, REED, WTU; 1985)
Valerianella congesta (HPSU; 1953)
Valerianella locusta (HPSU, OSC; 2017)
Verbena bonariensis (HPSU, OSC, WTU; 2016)
Verbena bracteata (HPSU, OSC, WS, WTU; 1927)
Verbena brasiliensis (WS; 1914)
Verbena hastata (OSC, WS, WTU; 2012)
Verbena incompta (OSC; 1887)
Verbena lasiostachys (OSC; 1922)
Verbena litoralis (WS; 1900)
Verbena officinalis (OSC, WS; 1922)
Verbena runyoni (WS; 1900)
Viola adunca (HPSU, OSC, REED; 1975)
Viola arvensis (HPSU, OSC, WTU; 2010)
Viola glabella (CIC, HOYT, HPSU, IDS, OSC, REED, SRP, WCW, WS, WTU; 2017)
Viola howellii (HPSU, OSC, REED, WS; 1974)
Viola macloskeyi (HPSU, OSC; 1993)
Viola odorata (HPSU, REED, WTU; 2020)
Viola orbiculata (OSC, WTU; 1991)
Viola palustris (HPSU; 2002)
Viola riviniana (HOYT; 2017)
Viola sempervirens (HPSU, OSC, REED, WS, WTU; 2019)
ssp. orbiculaides (WTU; 1927)
Viola sororia (WS; 1967)
Viola trinervata (OSC; ?)
Viola ×wittrockiana (HPSU; 2006)
Parthenocissus vitacea (HPSU, WTU; 2006)
Vitis labrusca (HPSU; 2019)
Vitis vinifera (HPSU, WS, WTU; 1979)
Tribulus terrestris (HPSU, WTU; 2015)
MONOCOTS:
Alisma gramineum (HPSU, OSC, WTU; 2019)
Alisma plantago-aquatica (HPSU, REED; 2019)
Alisma triviale (OSC; 1880)
Sagittaria cuneata (OSC; 1902)
Sagittaria latifolia (HPSU, OSC, REED, WTU; 2017)
Sagittaria platyphylla (HPSU, OSC; 2014)
Allium acuminatum (HPSU, MONT, OSC, WTU; 1983)
Allium cernuum (HPSU, ID, OSC, REED, WS, WTU; 1977)
Narcissus ×incomparabilis (HPSU; 2020)
Arum italicum (HPSU; 2018)
Lemna gibba (OSC, REED; 1928)
Lemna minor (HPSU, ID, OSC, REED; 2019)
Lemna trisulca (OSC; 1906)
Lemna turionifera (WTU; 1953)
Lysichiton americanus (HPSU, OSC, WCW; 2009)
Pistia stratiotes (OSC; 2013)
Spirodela polyrhiza (HPSU; 2010)
Wolffia brasiliensis (HPSU; 2019)
Wolffia columbiana (HPSU; 2019)
Brodiaea coronaria (OSC, REED; 1942)
Brodiaea elegans (HPSU; 1976)
Camassia leichtlinii (HPSU, OSC; 1976)
ssp. suksdorfii (OSC; 1903)
Camassia quamash (HPSU, OSC, REED; 1978)
ssp. maxima (OSC; 1902)
Convallaria majalis (HPSU; 2008)
Dichelostemma capitatum (HPSU, WS; 1954)
ssp. capitatum (HPSU, WS; 1954)
Dichelostemma congestum (HPSU, OSC, REED; 1977)
Hyacinthoides non-scripta (HPSU; 2009)
Maianthemum dilatatum (HPSU, OSC, REED, WTU; 2009)
Maianthemum racemosum (HOYT, HPSU, OSC, REED, WCW, WTU; 2017)
ssp. amplexicaule (HPSU, OSC, REED, WTU; 2015)
Maianthemum stellatum (HPSU, OSC, REED, SOC, WCW; 2009)
Muscari comosum (HPSU; 2008)
Quamasia quanash (REED; 1930)
Triteleia grandiflora (OSC, REED; 1988)
var. howellii (REED; 1988)
Triteleia hyacinthina (HPSU, OSC, REED; 1927)
Unifolium bifolium (REED; 1931)
Commelina communis (WS, WTU; 1910)
Bulbostylis capillaris (WS; 1900)
Carex agastachys (HPSU; 2019)
Carex amplifolia (HPSU, NY; 2000)
Carex angustata (WS; 1940)
Carex aperta (HPSU, ID, OSC, WTU; 2017)
Carex aquatilis (HPSU, OR; 2018)
var. aquatilis (OR; 2018)
var. dives (HPSU; 2000)
Carex arcta (HPSU, OSC; 2019)
Carex arenaria (OSC, WS, WTU; 1916)
Carex athrostachya (HPSU, OSC; 2016)
Carex bolanderi (OSC, REED; 1982)
ssp. bolanderi (OSC; 1911)
Carex buchananii (OSC, WTU; 2013)
Carex californica (HPSU, OSC, WS, WTU; 2006)
Carex comosa (OSC; 1887)
Carex cusickii (OSC; 1879)
Carex densa (HPSU, OSC, REED; 2017)
Carex deweyana (HPSU; 1998)
Carex divulsa (HPSU, WTU; 2019)
Carex echinata (HPSU, WTU; 2017)
ssp. echinata (HPSU, WTU; 2017)
Carex exsiccata (HPSU, OSC, SRP, WS, WTU; 2003)
Carex feta (HPSU; 2010)
Carex filifolia (CIC; 1994)
var. erostrata (CIC; 1994)
Carex hassei (OSC; 1903)
Carex hendersonii (HPSU, OSC, WTU; 2017)
Carex hirta (OSC, WTU; 2010)
Carex hoodii (WTU; 1927)
Carex inops (HPSU, REED; 2018)
ssp. inops (REED; 1984)
Carex interior (HPSU; 2000)
Carex interrupta (HPSU, OSC, WS; 1992)
Carex kelloggii (HPSU, OSC, WS; 2010)
var. kelloggii (HPSU, OSC, WS; 2010)
var. limnophila (OSC; 1917)
Carex kobomugi (EWU, HPSU, OSC, WS; 2015)
Carex laeviculmis (OSC; 1927)
Carex lenticularis (HPSU; 1998)
Carex leporina (HPSU; 1998)
Carex leptalea (HPSU, OSC; 2002)
Carex leptopoda (HPSU, WTU; 2000)
Carex livida (HPSU; 2017)
Carex luzulina (HPSU, OR; 2018)
Carex macrochaeta (OSC; 1995)
Carex mertensii (HPSU, MONT, REED, WS, WTU; 2000)
Carex nudata (OSC; 1884)
Carex obnupta (HPSU, OSC, REED, WS; 2006)
Carex ovalis (HPSU, OSC; 2004)
Carex pachystachya (HPSU, OSC, WTU; 2019)
ssp. pachystachya (WTU; 1928)
Carex pellita (HOYT, WS, WTU; 1928)
Carex pendula (HOYT, HPSU, OSC, WTU; 2019)
Carex praticola (OSC; 1884)
Carex preslii (HPSU, WTU; 2017)
Carex pumila (WS, WTU; 1916)
Carex raynoldsii (REED; 1989)
Carex retrorsa (HPSU, WTU; 2016)
Carex rossii (WTU; 2012)
Carex scoparia (HPSU, ID, OSC, SRP, WS, WTU; 2019)
Carex stipata (HPSU, OSC, REED, SRP, WS, WTU; 2009)
var. stipata (WS, WTU; 2009)
Carex subfusca (OSC, WTU; 2006)
Carex tribuloides (OSC, WTU; 2009)
var. tribuloides (OSC, WTU; 2009)
Carex tumulicola (HPSU; 1997)
Carex unilateralis (HPSU, OSC, REED; 2005)
Carex utriculata (HPSU, OSC, REED; 2000)
Carex vesicaria (HPSU, IDS, REED; 1997)
Carex vulpinoidea (HPSU, OSC, WTU; 2010)
Cyperus aggregatus (OSC; 1916)
Cyperus bipartitus (WTU; 2015)
Cyperus eragrostis (HPSU, OSC, WS, WTU; 2019)
Cyperus erythrorhizos (HPSU, OSC, WS, WTU; 2019)
Cyperus esculentus (HPSU, OSC, WTU; 2013)
var. leptostachyus (OSC, WTU; 2013)
Cyperus fuscus (OSC; 2013)
Cyperus odoratus (OSC; 1915)
Cyperus squarrosus (HPSU, OSC, WS, WTU; 2017)
Cyperus strigosus (HPSU, OSC; 2013)
Dulichium arundinaceum (OSC; 1888)
Eleocharis acicularis (HPSU, OSC, WS; 2010)
Eleocharis bella (OSC, WTU; 2013)
Eleocharis macrostachya (HPSU, OSC, WTU; 2017)
Eleocharis obtusa (HPSU, OSC, WS, WTU; 2019)
Eleocharis ovata (CIC, HPSU, WS, WTU; 2019)
Eleocharis palustris (HPSU, OSC, REED, WTU; 2016)
Eleocharis quinqueflora (HPSU; 2001)
Eriophorum angustifolium (HPSU; 2019)
ssp. angustifolium (HPSU; 2019)
Lipocarpha micrantha (OSC; 2013)
Rhynchospora alba (HPSU, WTU; 2016)
Schoenoplectus acutus (HPSU, OSC; 2004)
Schoenoplectus americanus (HPSU, WS; 2001)
Schoenoplectus tabernaemontani (HPSU, OR, OSC, WS; 2019)
Scirpus atrocinctus (OSC; 1992)
Scirpus cyperinus (HPSU, OSC; 2019)
Scirpus georgianus (OSC; 2000)
Scirpus microcarpus (HOYT, HPSU, OSC, REED, WS, WTU; 2017)
Scirpus pallidus (HPSU, WTU; 2000)
Trichophorum cespitosum (HPSU, REED; 2000)
Egeria densa (HPSU; 2010)
Elodea canadensis (HPSU, WTU; 2018)
Elodea nuttallii (HPSU, WS; 2010)
Najas flexilis (OSC; 1883)
Iris pseudacorus (HPSU; 2009)
Iris tenax (HPSU, OSC, REED, WS, WTU; 2006)
var. tenax (OSC; 1953)
Iris tenuis (OSC; 1881)
Sisyrinchium bellum (HPSU; 1914)
Sisyrinchium idahoense (OSC, REED, WS; 1953)
var. idahoense (OSC, WS; 1953)
Sisyrinchium sarmentosum (HPSU; 1978)
Juncus acuminatus (HOYT, HPSU, OSC, WS, WTU; 2019)
Juncus anthelatus (WTU; 2002)
Juncus articulatus (HPSU, WS, WTU; 2016)
ssp. articulatus (WTU; 2016)
Juncus bufonius (HPSU, OSC, WS, WTU; 2019)
var. bufonius (HPSU, OSC, WTU; 2019)
var. occidentalis (WTU; 1926)
Juncus canadensis (HPSU; 2017)
Juncus covillei (OSC, REED; 1928)
Juncus effusus (CIC, HPSU, NY, OSC, REED, SRP, WS, WTU; 2019)
ssp. effusus (HPSU, WTU; 2017)
ssp. pacificus (HPSU, NY, OSC, REED, WS, WTU; 2019)
ssp. solutus (CIC, HPSU, OSC, SRP, WTU; 2019)
Juncus ensifolius (HPSU, OR, OSC, REED, WTU; 2018)
Juncus hesperius (OSC, WTU; 2007)
Juncus laccatus (OSC, SRP, WTU; 2006)
Juncus nevadensis (HOYT; 2014)
Juncus occidentalis (HPSU, OSC, WS; 2010)
Juncus oxymeris (HPSU, OSC, REED, WS, WTU; 2019)
Juncus patens (HPSU, OSC, WS; 2010)
Juncus saximontanus (WS; 1902)
Juncus supiniformis (OSC; 1982)
Juncus tenuis (HPSU, ID, OSC, REED, SRP, WS, WTU; 2019)
Juncus torreyi (HPSU, WTU; 1997)
Luzula campestris (HPSU, OSC, REED; 1928)
Luzula cascadensis (WTU; 2009)
Luzula comosa (HPSU, OR, OSC, WTU; 2018)
var. laxa (HPSU, OR, OSC, WTU; 2018)
Luzula macrantha (OSC; ?)
Luzula multiflora (HPSU; 2017)
Luzula parviflora (HPSU, OSC, REED, WS, WTU; 2017)
Clintonia uniflora (HPSU, OSC, REED, WTU; 1977)
Erythronium grandiflorum (HPSU, REED; 1927)
var. grandiflorum (HPSU, REED; 1927)
Erythronium montanum (OSC, REED, WCW, WTU; 1963)
Erythronium oregonum (HPSU, OSC, REED, WS; 2016)
Erythronium revolutum (HPSU; 1971)
Fritillaria affinis (HPSU, LINF, OSC, REED, WCW, WTU; 2018)
Fritillaria camschatcensis (HPSU; 2018)
Lilium columbianum (HPSU, OSC, REED; 2011)
Prosartes hookeri (HPSU, IDS, OSC, REED, WCW, WS, WWB; 2006)
Prosartes smithii (HPSU, OSC, REED, WS, WTU; 2009)
Prosartes trachycarpa (WCW; 1978)
Streptopus amplexifolius (HPSU, OSC, REED, WS, WTU; 2018)
Streptopus lanceolatus (OSC, REED, WS; 1931)
Streptopus streptopoides (OSC; 1982)
Anticlea occidentalis (HPSU, OSC, REED, WS, WTU; 1989)
Trillium albidum (HPSU; 1965)
ssp. albidum (HPSU; 1965)
Trillium chloropetalum (HPSU, REED, WS; 1977)
var. chloropetalum (WS; 1936)
Trillium ovatum (CIC, HPSU, LINF, OSC, REED, WCW, WS; 2008)
var. ovatum (OSC; 1892)
Veratrum californicum (HPSU, OSC, WS; 2018)
var. caudatum (OSC, WS; 1927)
Veratrum viride (OSC; 1958)
var. eschscholzianum (OSC; 1958)
Xerophyllum tenax (MONT, OSC, REED, WCW, WS, WTU; 1973)
Calypso borealis (REED; 1929)
Calypso bulbosa (OSC, REED, WCW; 1964)
var. occidentalis (OSC; 1936)
Cephalanthera austiniae (OSC, WS, WTU; 1982)
Corallorhiza maculata (OSC, REED, WS, WTU; 1977)
var. maculata (WS; 1906)
Corallorhiza striata (HPSU, OSC, REED, WCW, WS; 1973)
var. striata (OSC, WS; 1907)
var. vreelandii (WS; 1907)
Cypripedium montanum (HPSU, OSC, REED; 1969)
Epipactis helleborine (HPSU, ID, OSC, WTU; 2019)
Goodyera oblongifolia (OR, OSC, REED, WS; 2019)
Neottia banksiana (OSC; 1910)
Neottia cordata (HPSU, REED; 1960)
Platanthera dilatata (HPSU, OSC; 2018)
var. leucostachys (HPSU, OSC; 2018)
Platanthera sparsiflora (OSC; 1980)
Platanthera stricta (OSC, REED; 1928)
Platanthera unalascensis (OSC, WTU; 1952)
Spiranthes romanzoffiana (HOYT, HPSU, REED, WTU; 2017)
Achnatherum lemmonii (OSC; 1958)
ssp. lemmonii (OSC; 1958)
Agropyron lutosus (WS; 1902)
Agrostis alba (HPSU; 1993)
Agrostis capillaris (HPSU, OSC, UAAH; 2019)
Agrostis castellana (OSC, WTU; 2013)
Agrostis exarata (HPSU, OSC, WS, WTU; 2019)
var. ampla (OSC; 1903)
Agrostis gigantea (OSC; 1902)
Agrostis hallii (OSC; 1902)
Agrostis howellii (BLMMD, ID, OSC, WS, WTU; 2013)
Agrostis microphylla (WS; 1910)
Agrostis oregonensis (HPSU, OSC; 2019)
Agrostis pallens (HPSU, OSC, WS, WTU; 1982)
Agrostis scabra (OSC, WTU; 2016)
Agrostis stolonifera (EWU, HPSU, OSC, RM, WS, WTU; 2013)
Aira caryophyllea (HPSU, OSC, RM, WS, WTU; 2010)
var. caryophyllea (OSC, WS; 1941)
Aira elegans (WS, WTU; 1907)
Aira praecox (OSC; 2006)
Alopecurus aequalis (HPSU, OSC, WS, WTU; 1994)
var. aequalis (HPSU, OSC, WS, WTU; 1994)
Alopecurus geniculatus (OSC, WS; 1952)
Alopecurus myosuroides (OSC, WS; 1916)
Alopecurus pratensis (HPSU, WS; 2010)
Amelichloa caudata (OSC; 1915)
Ammophila arenaria (OSC, WS, WTU; 1927)
ssp. arenaria (OSC, WS; 1925)
Anthoxanthum odoratum (HPSU, OSC, WS; 2006)
Apera interrupta (WS, WTU; 1925)
Apera spica-venti (OSC, WS, WTU; 1912)
Arrhenatherum elatius (HPSU, OSC, USFS; 2004)
ssp. bulbosum (OSC; 1950)
ssp. elatius (OSC, USFS; 2004)
Arundo donax (HPSU; 2013)
Avena barbata (HPSU, OSC, WS; 2011)
Avena fatua (HPSU, OSC, WS; 2004)
Avena sativa (WS; 1902)
Beckmannia syzigachne (WS; 1903)
Brachypodium distachyon (WS; 1902)
Brachypodium sylvaticum (HOYT, HPSU, WTU; 2017)
Briza minor (WS; 1900)
Bromus arenarius (WS; 1908)
Bromus berteroanus (WS; 1902)
Bromus briziformis (OSC; 1922)
Bromus catharticus (OSC, WS; 1974)
var. catharticus (OSC, WS; 1974)
var. elatus (WS; 1910)
Bromus commutatus (HPSU, OSC, WS; 2010)
Bromus diandrus (HPSU, OSC, REED, WS, WTU; 2011)
Bromus hordeaceus (HPSU, OSC, WS, WTU; 1977)
Bromus inermis (HPSU, OSC; 2019)
Bromus japonicus (OSC, WS, WTU; 1912)
Bromus madritensis (WS, WTU; 1912)
Bromus rubens (OSC, WS, WTU; 1916)
Bromus secalinus (HPSU, REED, WS; 2019)
Bromus sitchensis (HPSU, OSC, WS, WTU; 2018)
var. carinatus (HPSU, OSC, WS, WTU; 2004)
var. marginatus (WS, WTU; 1925)
var. sitchensis (HPSU; 2018)
Bromus sterilis (HPSU, OSC, WS, WTU; 2010)
Bromus tectorum (HOYT, HPSU, OSC, WS, WTU; 2018)
Bromus vulgaris (OSC, REED, WS, WTU; 1965)
Calamagrostis canadensis (OSC, WS; 1895)
var. canadensis (OSC, WS; 1895)
Calamagrostis howellii (OSC, WTU; 1982)
Calamagrostis rubescens (OSC; 1897)
Calamagrostis tacomensis (HPSU; 2017)
Cenchrus longispinus (OSC, WTU; 2002)
Chloris radiata (OSC; 1915)
Cinna latifolia (OSC, REED, WS, WTU; 1965)
Cladoraphis cyperoides (OSC; 1915)
Coleanthus subtilis (OSC, WTU; 1927)
Cortaderia selloana (HPSU, WTU; 2019)
Crypsis alopecuroides (EWU, HPSU, OSC, WS, WTU; 2013)
Cynodon dactylon (OSC, WS, WTU; 2003)
var. dactylon (WTU; 2003)
Cynosurus cristatus (OSC, WS, WTU; 1965)
Cynosurus echinatus (HPSU; 2019)
Dactylis glomerata (HPSU, OSC, REED, WTU; 2010)
Danthonia californica (OR, OSC; 2018)
Danthonia intermedia (OSC; 2006)
Deschampsia cespitosa (HPSU, OSC, WS, WTU; 2010)
Deschampsia danthonioides (OSC, WS; 1902)
Deschampsia elongata (HPSU, OSC, WS; 2018)
Desmazeria acutiflora (WS; 1902)
Dichanthelium acuminatum (HPSU, OSC, WS; 2019)
ssp. acuminatum (WS; 1902)
ssp. fasciculatum (HPSU, OSC; 2019)
Dichanthelium oligosanthes (OSC, WTU; 1902)
ssp. scribnerianum (OSC, WTU; 1902)
Digitaria ischaemum (BABY, OSC, WS; 1998)
Digitaria sanguinalis (HPSU, OSC, UAAH, WS, WTU; 2010)
Digitaria villosa (WS; 1900)
Diplachne fusca (HPSU, OSC, WTU; 1987)
ssp. fascicularis (WTU; 1927)
ssp. uninervia (HPSU, OSC; 1987)
Echinochloa colona (OSC, WS; 1910)
Echinochloa crus-galli (HPSU, OSC, REED, WS, WTU; 2002)
Echinochloa crus-pavonis (WTU; 1900)
Echinochloa muricata (HPSU, OSC, WS, WTU; 2015)
var. microstachya (HPSU, OSC, WS, WTU; 2015)
Eleusine indica (OSC, WS; 1915)
Eleusine tristachya (OSC, WS; 1915)
Elymus caninus (REED; 1937)
Elymus glaucus (HPSU, OSC, REED, WS; 2010)
ssp. glaucus (OSC, WS; 1916)
Elymus repens (HPSU, OSC, REED, WS, WTU; 2010)
Elymus semicostatus (WS; 1910)
Elymus trachycaulus (WS, WTU; 1914)
ssp. trachycaulus (WS, WTU; 1914)
Elymus tsukushiensis (OSC, WTU; 1903)
Elymus violaceus (WS; 1914)
Eragrostis curvula (EWU, HPSU, OSC, WTU; 2015)
Eragrostis hypnoides (HPSU, OSC, WS, WTU; 2019)
Eragrostis lutescens (OSC; 1922)
Eragrostis mexicana (OSC; 2002)
ssp. virescens (OSC; 2002)
Eragrostis pectinacea (HPSU, OSC, WS, WTU; 2019)
var. pectinacea (HPSU, OSC, WS, WTU; 2019)
Eragrostis pilosa (WS, WTU; 1907)
var. pilosa (WS; 1907)
Festuca californica (OSC; 1886)
ssp. californica (OSC; 1886)
Festuca filiformis (HOYT; 2017)
Festuca occidentalis (HOYT, HPSU, OSC, WS, WTU; 2018)
Festuca roemeri (HPSU; 2019)
var. roemeri (HPSU; 2019)
Festuca rubra (HPSU, OSC, WS, WTU; 2019)
ssp. commutata (HPSU; 2019)
ssp. juncea (WS; 1916)
ssp. rubra (OSC, WS; 1952)
Festuca saximontana (WS; 1901)
var. saximontana (WS; 1901)
Festuca subulata (HPSU, OR, OSC, REED, SOC, SRP; 2019)
Festuca subuliflora (HPSU, WS; 2018)
Festuca trachyphylla (HPSU; 2010)
Festuca valesiaca (WTU; 2010)
Gastridium phleoides (WS; 1901)
Glyceria elata (HPSU, OSC, REED, WS, WTU; 2019)
Glyceria grandis (OSC, REED, WS; 1902)
var. grandis (OSC, WS; 1902)
Glyceria ×occidentalis (OSC; 1887)
Hesperostipa comata (HPSU; 1996)
ssp. comata (HPSU; 1996)
Hierochloe occidentalis (HPSU, WS; 2008)
Hierochloe odorata (OSC; 1885)
Holcus lanatus (HPSU, OSC, REED, RM, SRP, WS, WTU; 2010)
Holcus mollis (HPSU; 2010)
Hordeum brachyantherum (HPSU, OSC, REED; 2004)
ssp. brachyantherum (OSC; 1915)
Hordeum jubatum (HPSU, OSC, WS; 1962)
ssp. intermedium (WS; 1912)
ssp. jubatum (OSC, WS; 1916)
Hordeum marinum (OSC; 1902)
ssp. gussoneanum (OSC; 1902)
Hordeum murinum (HPSU, OSC, WS; 2019)
ssp. glaucum (HPSU, OSC; 1961)
ssp. leporinum (WS; 1912)
ssp. murinum (HPSU, OSC; 2019)
Hordeum secalinum (REED; 1928)
Imperata ovata (WS; 1899)
Koeleria macrantha (HPSU, OSC; 2010)
Leersia oryzoides (HPSU, OR; 2019)
Leymus cinereus (WS; 1907)
Leymus mollis (WS, WTU; 1916)
ssp. mollis (WS; 1916)
Leymus triticoides (OSC, WS, WTU; 1911)
Lolium multiflorum (HPSU, OSC, REED, USFS, WS, WTU; 1993)
Lolium perenne (HPSU, OSC, REED, USFS, WS, WTU; 2010)
Lolium rigidum (WS, WTU; 1916)
Lolium temulentum (OSC; 1911)
ssp. temulentum (OSC; 1911)
Melica geyeri (HPSU; 2017)
var. geyeri (HPSU; 2017)
Melica harfordii (HPSU, OSC, WTU; 2018)
Melica subulata (HPSU, ID, OR, OSC, REED, SRP, WS, WTU; 2019)
Miscanthus sinensis (HPSU, WTU; 2018)
Molinia caerulea (HPSU; 2019)
Muhlenbergia mexicana (HPSU; 2019)
var. filiformis (HPSU; 2019)
Muhlenbergia richardsonis (OSC; 1920)
Panicum capillare (HPSU, OSC; 2019)
ssp. capillare (HPSU, OSC; 2019)
Panicum dichotomiflorum (HPSU, OSC, WTU; 2019)
ssp. dichotomiflorum (HPSU, OSC; 2019)
Panicum miliaceum (HPSU, OSC, WS; 2019)
ssp. miliaceum (HPSU, OSC; 2019)
Panicum virgatum (HPSU; 2019)
Parapholis incurva (OSC, WS, WTU; 1916)
Pascopyrum smithii (WS; 1911)
Paspalum dilatatum (OSC, WS; 1915)
Paspalum distichum (HPSU, OSC, WS, WTU; 2010)
Phalaris aquatica (OSC; 1916)
Phalaris arundinacea (HPSU, OSC, REED, WTU; 2006)
Phalaris brachystachys (WS; 1912)
Phalaris canariensis (OSC, WS, WTU; 2012)
Phalaris minor (OSC, WS, WTU; 1916)
Phalaris paradoxa (OSC, WS; 1916)
Phleum arenarium (OSC, WS, WTU; 1914)
Phleum paniculatum (WS; 1902)
Phleum pratense (HPSU, OSC, RM, WTU; 2004)
var. pratense (RM; 1903)
Phleum subulatum (WS; 1912)
Phragmites australis (HPSU, WS; 2013)
ssp. australis (HPSU; 2013)
Pleuropogon hooverianus (WS; 1902)
Pleuropogon refractus (OSC; 1911)
Poa annua (HPSU, OSC, REED, SRP, WS, WTU; 2009)
Poa bulbosa (HPSU; 2019)
Poa compressa (HPSU, OSC, WS, WTU; 2004)
Poa glauca (WS; 1902)
ssp. glauca (WS; 1902)
Poa howellii (OSC, WS; 1907)
Poa infirma (OSC, WTU; 2012)
Poa laxiflora (OSC, WTU; 1886)
Poa marcida (OSC, SRP; 1982)
Poa ×multnomae (HPSU, OSC, WS, WTU; 2019)
Poa nemoralis (OSC, WS, WTU; 2009)
Poa nervosa (BLMMD, OSC, WS, WTU; 2013)
Poa palustris (HPSU, OSC, REED, WS, WTU; 2019)
Poa pratensis (HPSU, OSC, REED, WS; 2019)
Poa secunda (HPSU, ID, OSC, WS, WTU; 2016)
ssp. secunda (HPSU, ID, OSC, WS, WTU; 2016)
Poa trivialis (HPSU, OSC, WS, WTU; 2019)
ssp. trivialis (HPSU; 2019)
Podagrostis aequivalvis (PLU; 1988)
Polypogon australis (WS; 1902)
Polypogon fugax (OSC; 1916)
Polypogon interruptus (WS; 1900)
Polypogon monspeliensis (HOYT, HPSU, OSC, REED, WS; 2015)
Polypogon viridis (OSC; 1922)
Pseudoroegneria spicata (HPSU; 1995)
Rostraria cristata (WS; 1916)
Schedonorus arundinaceus (HPSU; 2004)
Schedonorus pratensis (OSC, REED, WS, WTU; 1926)
Scleropoa rigida (WS; 1916)
Secale cereale (OSC, WTU; 1927)
Setaria italica (HPSU, WS; 2019)
Setaria parviflora (OSC; 1916)
Setaria pumila (HPSU, WS, WTU; 2004)
ssp. pallide-fusca (WS, WTU; 1927)
ssp. pumila (HPSU, WS; 2004)
Setaria viridis (BABY, HPSU, OSC, RM, UAAH, WS, WTU; 2018)
ssp. viridis (UAAH; 2006)
var. major (OSC; 1920)
var. viridis (HPSU, OSC, WTU; 2018)
Sorghum bicolor (OSC; 1985)
Sorghum halepense (HPSU, OSC, WS, WTU; 2017)
Sporobolus indicus (WS; 1900)
Thinopyrum intermedium (HOYT, HPSU, OSC; 2014)
ssp. intermedium (HPSU; 2010)
Thinopyrum junceum (OSC, WS; 1925)
Thinopyrum pycnanthum (OSC; 1919)
Torreyochloa pallida (IDS, OSC, WS, WTU; 1965)
var. pauciflora (IDS, OSC, WS, WTU; 1965)
Triplasis purpurea (HPSU, WS, WTU; 2018)
Trisetum canescens (HPSU, OSC, WTU; 1962)
Trisetum cernuum (HPSU, OSC, REED, WS, WTU; 2019)
Trisetum spicatum (REED; 1938)
Triticum aestivum (HPSU, OSC, WS; 2010)
Urochloa mutica (OSC; 1915)
Ventenata dubia (OSC; 2008)
Vulpia bromoides (HOYT, HPSU, OSC, WS, WTU; 2017)
Vulpia microstachys (OSC, WS; 1910)
var. pauciflora (OSC, WS; 1910)
Vulpia myuros (HPSU, OSC, REED, WS, WTU; 2010)
Vulpia octoflora (WS; 1895)
var. octoflora (WS; 1895)
Eichhornia crassipes (OSC; 2013)
Heteranthera dubia (OSC, WS; 2009)
Potamogeton crispus (HPSU, WTU; 2019)
Potamogeton epihydrus (OSC; 1989)
Potamogeton foliosus (HPSU; 2019)
Potamogeton natans (WTU; 2016)
Potamogeton nodosus (WTU; 1992)
Potamogeton pusillus (HPSU, WTU; 2003)
Potamogeton richardsonii (OSC; 1886)
Potamogeton zosteriformis (HPSU; 2003)
Stuckenia filiformis (HPSU; 1995)
Stuckenia pectinata (HPSU, OSC, WTU; 2016)
Zannichellia palustris (OSC, WTU; 1992)
Triantha glutinosa (HPSU; 2012)
Triantha occidentalis (HPSU, WS; 2017)
ssp. brevistyla (WS; 1892)
Sparganium emersum (OSC, REED; 1982)
Sparganium eurycarpum (HPSU; 2010)
Typha latifolia (HPSU, OSC, REED; 2010)