Leguminosae [HC]
36 genera
184 species
89 subspecies and varieties
Show only taxa with photos
Scientific name
Common name
Index to genera:
Acmispon,
Alhagi,
Amorpha,
Astragalus,
Caragana,
Cicer,
Colutea,
Cytisus,
Dalea,
Galega,
Genista,
Gleditsia,
Glycyrrhiza,
Hedysarum,
Hosackia,
Laburnum,
Ladeania,
Lathyrus,
Lotus,
Lupinus,
Medicago,
Melilotus,
Onobrychis,
Ononis,
Oxytropis,
Pisum,
Pueraria,
Robinia,
Rupertia,
Securigera,
Spartium,
Sphaerophysa,
Thermopsis,
Trifolium,
Ulex,
Vicia
–
Spanish-clover
Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia to California, east to Montana, south to Mexico
Habitat: Chiefly in sandy to rocky, exposed or wooded areas, more common at low elevations
Origin: Native
Flowers: April - September
– Spanish-clover, American bird's-foot trefoil
– river-bar bird's-foot-trefoil
Origin: Native
–
Nevada deervetch
Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia south to California, east to Idaho and Nevada.
Habitat: Open, disturbed areas including road cuts, balds, grasslands, and forest edges at low to moderate elevations.
Origin: Native
Flowers: May-June
– Nevada deervetch
– short-flower bird's-foot-trefoil
Distribution: Occurring chiefly west of the Cascades in Washington and in the Columbia River Gorge; British Columbia south to California.
Habitat: Open slopes and sandy flats, seashore into the mountains.
Origin: Native
Flowers: April-September
– camelthorn
Distribution: East of the Cascades in Washington; south to California, east to Idaho and Texas.
Habitat: Disturbed areas in arid lands.
Origin: Introduced
Flowers: June-August
– false indigo-bush
Distribution: Occurring chiefly east of the Cascades crest and along the Columbia River in Washington; widely distributed throughout much of North America except extreme northwest corner.
Habitat: Disturbed areas, roadsides, wastelots, and often along streams and in canyons.
Origin: Introduced
Flowers: May-July
– cock's-head, field milk vetch, purple milk vetch
Distribution: Occurring east of the Cascades crest in Washington; widely distributed in the western, central, and northeastern regions of North America.
Habitat: Moist spots in sagebrush plains, and mountain meadows to alpine slopes.
Origin: Native
Flowers: June-August
–
alpine milk-vetch, purple milk-vetch
Distribution: Circumpolar, arctic to sub-alpine regions, south to Okanogan County, WA, the Wallowa Mountains of Oregon, and the Rocky Mountains of Montana and Idaho.
Habitat: Open, often rocky areas.
Origin: Native
Flowers: June - August
– alpine milk-vetch
– hanging pod milk-vetch, Palouse milk-vetch
Origin: Native
– Arthur's milk-vetch, waha milk-vetch
Distribution: Occurring in the southeastern corner of Washington; northern foothills of the Wallowa and Blue Mountains in Oregon and Nez Perce County, Idaho.
Habitat: Dry, grassy and rocky meadows, on basalt.
Origin: Native
Flowers: May-June
– Asotin milk-vetch
Distribution: Endemic to Snake River Canyon of WA and ID.
Habitat: Shrub-steppe at low to moderate elevations.
Origin: Native
Flowers: March-May
–
subarctic milk-vetch
Distribution: Endemic to Olympic Mountains of Washington.
Habitat: Ridge tops and talus slopes.
Origin: Native
Flowers: June-August
– Cotton's milk-vetch, Cotton's milkvetch
–
Beckwith's milk-vetch
Origin: Native
Flowers: April - June
– Beckwith's milk-vetch
–
Canada milk-vetch
Origin: Native
– Canada milk-vetch
– Canada milk-vetch
– Morton's Canadian milkvetch
– buckwheat milk-vetch
Distribution: Occurring east of the Cascades crest in the south-central part of Washington; Washington south to Oregon, east to Idaho.
Habitat: Grasslands, dry and sandy slopes in shrub-steppe habitat.
Origin: Native
Flowers: April-May
– chickpea milk-vetch
Distribution: Scattered locations throughout Washington; distributed throughout much of western North America, and central and eastern Canada.
Habitat: Disturbed areas, often where moist or wet.
Origin: Introduced from Old World
Flowers: July-August
–
hill milk-vetch, hillside milk-vetch
Distribution: East of the Cascades, southern British Columbia south to Oregon, east to west-central Idaho along the Snake and Clearwater Rivers.
Habitat: Basaltic grasslands and sagebrush deserts.
Origin: Native
Flowers: May - June
– hillside milk-vetch
– Columbian milk-vetch
Distribution: Occurring east of the Cascades crest in the south-central part of Washington; endemic to Washington;
Habitat: Dry, open areas in shrub-steppe.
Origin: Native
Flowers: April-May
–
basalt milk-vetch, stiff milk-vetch
Distribution: Wasco County, Oregon, to the Blue Mountains, south along the Malheur River to the Steens, and east into Idaho
Habitat: Drier areas, moderate and higher elevations
Origin: Native
– stiff milk-vetch
–
Cusick's milk-vetch
Distribution: Known only from Asotin County in Washington; Washington south to northeastern Oregon, east to Custer County, Idaho.
Habitat: Sagebrush plains to grassy or rocky slopes, often on talus.
Origin: Native
Flowers: May-July
– Cusick's milk vetch
– transparent milk-vetch, John Day milk vetch
Distribution: Along the Columbia River from the mouth of the John Day river in Wasco County, Oregon, to Klickitat County, Washington.
Habitat: Gravel bars, alluvial slopes, and in thin gravelly soil overlying basaltic rock.
Origin: Native
Flowers: May - June
– elegant milk-vetch
Origin: Native
– Russian-sickle
Origin: Introduced
Flowers: July
– basalt milk-vetch
Distribution: Occurring east of the Cascades crest in Washington; British Columbia south to northeast California, east to Nevada and Idaho.
Habitat: Sagebrush plains and lower foothills.
Origin: Native
Flowers: May-June
–
Geyer's milk-vetch
Distribution: Southeast Oregon to California and Nevada, east through the Snake River drainage of Idaho.
Habitat: Sandy desert, especially on dunes.
Origin: Native
Flowers: June - July
– Geyer's milk-vetch
– Hood River milk-vetch
Distribution: Columbia River Gorge, Wasco and Hood River Counties in Oregon, Klickitat County in Washington
Habitat: Dry, open areas
Origin: Native
Flowers: April - June
– Howell's milk-vetch
Origin: Native
Flowers: April - June
– bent milk-vetch, hairy milk-vetch
Distribution: Occurring east of the Cascades crest in Washington; Washington south to Oregon, east to Idaho and Montana.
Habitat: Dry hillsides in shrub-steppe habitat.
Origin: Native
Flowers: April-July
–
kentrophyta, thistle milk-vetch
Origin: Native
Flowers: July - September
– thistle milk vetch
–
standing milk-vetch
Origin: Native
– standing milk-vetch
– Leiberg's milk-vetch
Distribution: Endemic to Douglas, Kittitas and Chelan counties of central Washington.
Habitat: Dry hillsides and plains, commonly in sagebrush scabland on basalt.
Origin: Native
Flowers: April-June
–
freckled milk-vetch, specklepod milk-vetch
Distribution: East of the Cascades crest in Washington; British Columbia south to California, east to Montana and Texas.
Habitat: Open areas, desert flats to subalpine slopes.
Origin: Native
Flowers: April-June
– freckled milk-vetch, specklepod milk-vetch
– Lyall's milk-vetch
Distribution: Endemic to Washington from Kittitas and Douglas counties south to Benton, east to Grant and Adams counties.
Habitat: Sagebrush and desert areas, especially on sand dunes.
Origin: Native
Flowers: May-June
– lesser-bladder milk-vetch
Distribution: Northeast Washington and adjacent British Columbia, across Idaho to Montana and Wyoming
Habitat: Prairies and foothills to Ponderosa pine forests
Origin: Native
Flowers: May - July
–
pauper milk-vetch
Distribution: Occurring east of the Cascades crest in Washington; Washington south to Oregon.
Habitat: Dry, open areas in shrub-steppe.
Origin: Native
Flowers: April-June
– pauper milk-vetch
–
weedy milk-vetch
Distribution: Occurring chiefly east of the Cascades crest in Washington; southern British Columbia and northern Washington east to Alberta and South Dakota, and south in the Rockies to Colorado.
Habitat: Moist meadowlands to open, dry ridges, and in grasslands and foothills to above timberline in the mountains.
Origin: Native
Flowers: May-July
– weedy milk-vetch
– weedy milk-vetch
–
Ames's milk-vetch
Distribution: Mt. Adams and Klickitat County, Washington, and the ascades and northern Sierra Nevada of California; not reported from Oregon.
Habitat: Sandy and gravelly flats in sagebrush and open pine forests on basalt.
Origin: Native
Flowers: July
– ames milk-vetch
–
Pursh's milk-vetch, woollypod milk-vetch
Distribution: East of the Cascades in Washington; British Columbia to California, east to the Dakotas and New Mexico.
Habitat: Prairies and sagebrush deserts, foothills and lower mountains.
Origin: Native
Flowers: April-June
– woolly-pod milk-vetch
– woolly-pod milk-vetch
– woolly-pod milk-vetch
– Yakima milk-vetch
Distribution: East of the Cascades in Washington; Washington south to Sherman County in Oregon.
Habitat: Shrub-steppe to low, dry open forests.
Origin: Native
Flowers: April-June
– longleaf milk-vetch, Blue Mt.milk-vetch
Distribution: Occurring east of the Cascades crest in Washington; Washington south to northeastern Oregon.
Habitat: Forest openings at low to moderate elevations.
Origin: Native
Flowers: April-June
– Piper's milk-vetch
Distribution: Along the Snake River from the Clearwater to the Tucannon River, Whitman and Columbia Counties, WA, and in Nex Perce County, ID.
Habitat: Dry bluffs and canyon banks.
Origin: Native
Flowers: May - June
–
Robbins's milk-vetch
Distribution: Alaska and British Columbia south on the east side of the Cascades to Okanogan County, Washington,east to Alberta and south in the Rockies to Colorado.
Habitat: Stream banks and alpine slopes.
Origin: Native
Flowers: June - August
– Robbin's milk-vetch
– stalked-pod milk-vetch, woody-pod milk-vetch
Distribution: Along the Okanogan and Columbia Rivers from north of Kettle Falls to The Dalles
Habitat: Dunes and sandy barrens, low elevation
Origin: Native
Flowers: June
– Sheldon's milk-vetch
Distribution: Occurring in the southeastern part of Washington; Washington south to Oregon, east to Idaho.
Habitat: Shrub-steppe and Ponderosa pine forest openings.
Origin: Native
Flowers: April-June
– whited milk-vetch
Distribution: Along Colockum Creek, south of Wenatchee in Chelan County, Washington.
Habitat: Among sagebrush on rocky hillsides.
Origin: Native
Flowers: May
– Spalding's milk-vetch
Distribution: East of the Cascades, central Washington to northeast Oregon, east to western Idaho.
Habitat: Sagebrush and grasslands in the foothills and valleys.
Origin: Native
Flowers: May - June
– curve-pod milk-vetch, medic milk-vetch, spiral-pod milk-vetch
Distribution: Endemic to Washington from Kittitas County east to Grant County, south Klickitat County.
Habitat: Sagebrush desert.
Origin: Native
Flowers: April-May
– crouching milk-vetch, sprawling milk-vetch
Distribution: Occurring east of the Cascades crest in Washington from Kittitas and Grant counties south; Washington south to Umatilla and Gilliam Counties, Oregon.
Habitat: Sagebrush deserts, sandy barrens and lower foothills.
Origin: Native
Flowers: April-June
– pulse milkvetch
Origin: Native
– Tweedy's milk-vetch
Distribution: Yakima County, Washington, south to north-central Oregon near the olumbia dn lower Deschutes Rivers
Habitat: Sagebrush plains and foothills
Origin: Native
Flowers: May - June
–
balloon milk-vetch
Distribution: Occurring east of the Cascades in Washington; Washington south to California, east to Idaho and Nevada.
Habitat: High, open, rocky ridges and slopes, often in serpentine.
Origin: Native
Flowers: May-August
– balloon milk-vetch
– Siberian peashrub
Distribution: Occurring east of the Cascades crest in Washington; widely distributed throughout the western, central, and northeastern regions of North America.
Habitat: Disturbed areas including wastelots, roadsides, and fields.
Origin: Introduced
Flowers: April-June
– chick-pea
Distribution: Sparingly introduced in eastern Washington; scattered localities in other parts of western North America.
Habitat: Disturbed areas on the edge of or near agricultural fields.
Origin: Introduced
Flowers: June-July
– bladder-sennas
Distribution: Occurring east of the Cascades crest in Washington; Washington south to California, east across the southwest to the Great Plains; northeastern North America.
Habitat: Disturbed areas in including wastelots, roadsides, and fields.
Origin: Introduced from Eurasia
Flowers: May-June
– portuguese broom, white Spanish broom
Origin: Introduced
Flowers: May - June
– Scot's broom
Distribution: Distributed widely throughout much of Washington, especially in lowlands west of the Cascades crest; British Columbia south to California.
Habitat: Widespread noxious weed, usually where somewhat moist.
Origin: Introduced
Flowers: April-June
– Blue Mountain prairie-clover
Distribution: Distributed in the central and southeastern counties in Washington; Washington south to California, east to Idaho and Nevada.
Habitat: Dry, rocky or sandy areas, often in sagebrush, low to moderate elevations.
Origin: Native
Flowers: May-July
– professor-weed
Distribution: Occurring west of the Cascades crest in Washington; occurring in scattered locations throughout North America, though not along the southern border.
Habitat: Disturbed areas including wastelots, roadsides, and fields.
Origin: Introduced
Flowers: May-July
– canary-broom
Distribution: Occurring in a few scattered locations east of the Cascades crest in Washington; Washington and California.
Habitat: Disturbed areas including wastelots and roadsides
Origin: Introduced
Flowers: April-June
– French-broom
Distribution: Introduced as an ornamental in Western Washington, occasionally escaping.
Habitat: Waste areas.
Origin: Introduced
Flowers: June-July
– Dyer's greenweed
Origin: Introduced
– honey locust
Distribution: Occurring east of the Cascades crest in Washington; native to eastern and central North America, but escaped widely throughout western North America.
Habitat: On edge of riparian zones, typically in areas with some level of disturbance.
Origin: Introduced
Flowers: April-June
– American licorice, wild licorice
Distribution: Distributed east of the Cascades in Washington; British Columbia to Ontario, south to California and Texas.
Habitat: A plant of waste places and low ground, common along streams.
Origin: Native
Flowers: May-August
–
western sweet-vetch
Distribution: Occurring in the Olympic Mountains in Washington; British Columbia south to Washington, Idaho and Utah, east to Alberta, Montana, Wyoming, and Colorado.
Habitat: Alpine and subalpine areas.
Origin: Native
Flowers: June-August
– western sweet-vetch
– yellow sweet-vetch
Distribution: East slope of the Cascades in Washington; British Columbia to Washington, east to Alberta and Montana.
Habitat: Open forested areas.
Origin: Native
Flowers: June-August
–
big deervetch
Distribution: Chiefly west of the Cascades and towards the south in Washington; south to southern California.
Habitat: Moist woods and along streams, from sea level to moderate elevations in the mountains.
Origin: Native
Flowers: May-July
– big deervetch
– seaside bird's-foot-trefoil
Distribution: From southwest Washington south, on the west side of the Cascades and in the Coast Ranges, to Monteray County, California.
Habitat: On moist soil, from near sea level to lower elevations in the mountains.
Origin: Native
Flowers: May - July
– meadow bird's-foot-trefoil, meadow deervetch
Distribution: Northwest Washington south to central California, east along rivers to Idaho.
Habitat: Moist soil.
Origin: Native
Flowers: May - July
– rosy bird's-foot-trefoil
Distribution: West of the Cascades in Washington; Washington south to California.
Habitat: Moist woods and along streams.
Origin: Native
Flowers: May-July
– golden chain-tree
Distribution: Occurring chiefly west of the Cascades crest at low elevations in Washington; British Columbia south to California, Utah.
Habitat: Disturbed sites often in proximity to residential development where escaped from cultivation.
Origin: Introduced
Flowers: May-June
– wild lemonweed, lance-leaf scurf pea, scurf-pea
Distribution: East of the Cascades in Washington, mostly in the central and southcentral areas of the state; Washington south to California, east to the central regions of Canada and the U.S.
Habitat: Sagebrush steppe habitat in dry areas, often where sandy.
Origin: Native
Flowers: May-June
– angled peavine
Origin: Introduced
– yellow vetchling
Distribution: Known only from the San Juan Islands in Washington; Washington south to California, and in scattered locations in central and southern U.S.
Habitat: Disturbed ground.
Origin: Introduced
Flowers: May-July
– thin-leaf vetchling
Distribution: Occurring west of the Cascades crest in Washington; Washington south to Oregon.
Habitat: Fence rows and partially cleared land.
Origin: Native
Flowers: May-July
– beach pea
Distribution: Coastal in Washington; Alaska south to California; also along the Atlantic Coast.
Habitat: Sandy beaches, dunes, and headlands along the coast.
Origin: Native
Flowers: May-September
–
Nevada peavine, thick-leaved peavine
Distribution: Occurring chiefly east of the Cascades crest in Washington; Washington south to California, east to Idaho and Utah.
Habitat: Sagebrush-ponderosa pine woodland to moderate elevations in the mountains.
Origin: Native
Flowers: May-June
– pinewoods peavine
– drypark pea
– thick-leaved peavine
– everlasting-pea
Distribution: Occurring in locations throughout much of Washington; widespread in North America.
Habitat: Found in a variety of disturbed habitats, usually where somewhat moist.
Origin: Introduced
Flowers: May-July
– beach peavine, silky beach vetchling
Distribution: Occurring in the coastal counties in Washington; British Columbia south to California.
Habitat: Sand dunes and sandy beaches.
Origin: Native
Flowers: May-July
–
Sierra peavine
Distribution: Occurring on both sides of the Cascades crest and in the southeast corner of the State; British Columbia south to California, east to Idaho.
Habitat: Open woods at moderate to mid-elevations.
Origin: Native
Flowers: May-July
– Cusick's pea
– Sierra pea
– cream pea
Distribution: Occurring east of the Cascades crest along the northern border in Washington; Alaska south to Washington, east across the northern U.S. and Canada to the Atlantic Coast.
Habitat: Moist woods, at the edge of thickets.
Origin: Native
Flowers: May-July
– marsh pea
Distribution: Occurring along the Puget Sound and outer coast in Washington; widely distributed throughout most of North America except the Rocky Mountain and southeastern regions of the U.S.
Habitat: Chiefly in tidelands along the coast.
Origin: Native
Flowers: April-July
–
few-flowered peavine
Distribution: Occurring chiefly east of the Cascades crest in Washington;, Washington, south to California, east to Idaho and Arizona.
Habitat: Shrub-steppe to Ponderosa pine and higher open forests.
Origin: Native
Flowers: April-June
– few-flowered pea
– leafy pea
Distribution: Occurring west of the Cascades crest in lowland Washington, and east up the Columbia River Gorge; Washington south to California.
Habitat: Prairies and open areas of low mountains.
Origin: Native
Flowers: May-July
– meadow vetchling
Origin: Native
Flowers: May - July
– grass pea
Origin: Introduced
Flowers: May - June
– narrow-leaf pea
Distribution: Occurring chiefly west of the Cascades in Washington.
Habitat: Roadsides and waste places at low elevations.
Origin: Introduced
Flowers: May-July
– Torrey's pea
Distribution: Occurring west of the Cascades crest in Washington; Washington south to California.
Habitat: Open prairies and clearings in the woods at low elevations.
Origin: Native
Flowers: May-July
– earth-nut pea
Origin: Introduced
Flowers: May - July
Origin: Native
Flowers: April - June
– Pacific peavine
– garden bird's-foot-trefoil
Distribution: Occurring on both sides of the Cascades in Washington; widely distributed throughout most of North America.
Habitat: Mesic to wet areas, typically where disturbed.
Origin: Introduced
Flowers: May-September
– narrow-leaved trefoil
Origin: Introduced
– big lotus, big trefoil, large trefoil
Distribution: West of the Cascades in Washington; British Columbia south to California, east to Idaho; east across Canada to Nova Scotia; scattered localities in eastern U.S.
Habitat: Moist to wet disturbed areas, roadsides, abandoned lots, and coastal tidelands.
Origin: Introduced
Flowers: May-July
– sicklekeel lupine
Distribution: Chiefly west of the Cascades in Washington; Washington south to California.
Habitat: Grasslands and prairies from the lowlands to moderate elevations.
Origin: Native
Flowers: May-July
– tree lupine, yellow-bush lupine
Distribution: Occurring in the western Washington lowlands and along the Pacific coast; British Columbia south to California.
Habitat: Sandy soil.
Origin: Introduced
Flowers: May-September
– silvery lupine, spurred lupine
Distribution: East of the Cascades crest in Washington; British Columbia south to California, east to Montana and Utah.
Habitat: Sagebrush deserts and ponderosa pine forest openings.
Origin: Native
Flowers: May-July
–
silvery lupine
Distribution: Chiefly east of the Cascades in Washington; British Columbia south to California, east to the Dakotas and New Mexico.
Habitat: Ponderosa pine forests to subalpine ridges.
Origin: Native
Flowers: May-July
– silvery lupine
– small-flower lupine, two-color lupine
Distribution: Chiefly west of the Cascades in Washington, but also in southeastern part of state; British Columbia south to California, east to Arizona.
Habitat: Open meadows, grasslands, prairies, and sandy riverbanks at low to moderate elevations.
Origin: Native
Flowers: April-July
–
broadleaf lupine
Distribution: In the Olympic and Cascade mountains of Washington; British Columbia south to California.
Habitat: Chiefly in forest openings at mid-elevation to subalpine meadows.
Origin: Native
Flowers: June-August
– broadleaf lupine, Suksdorf's lupine
– broadleaf lupine
–
prairie lupine
Distribution: Widely distributed throughout Washington; Alaska south to California, east to the Rocky Mountains.
Habitat: Open areas from low elevations to the alpine.
Origin: Native
Flowers: June-August
– prairie lupine
– elegant lupine
– Pacific lupine
– elegant lupine
–
velvet lupine
Distribution: Occurring east of the Cascades crest in Washington; British Columbia south to California, east to Montana, Wyoming, and Colorado.
Habitat: Shrub-steppe and ponderosa pine forests.
Origin: Native
Flowers: June-August
– velvet lupine
– velvet lupine
–
seashore lupine
Distribution: Coastal from British Columbia to California
Habitat: Near the shore along the coast
Origin: Native
Flowers: May - August
–
chick lupine
Distribution: Chiefly west of the Cascades in Washington, though also known from east of Cascades; British Columbia south to California.
Habitat: Coastal bluffs, grassy balds, and other dry, open areas at low elevations.
Origin: Native
Flowers: April-June
– chick lupine
– Nootka lupine
Origin: Native
–
Oregon lupine
Distribution: West of the Cascades in Washington; south to Willamette Valley in Oregon.
Habitat: Moist to dry areas of prairies and openings in oak woodlands.
Origin: Native
Flowers: April-June
– Kincaid's lupine, sulphur lupine
– big-pod lupine
Origin: Native?
–
bigleaf lupine, large-leaved lupine
Distribution: Widely distributed throughout Washington; British Columbia south to California, east to Colorado.
Habitat: Moist areas and stream banks, low to fairly high elevations.
Origin: Native
Flowers: June-September
– large-leaved lupine, many-leaved lupine
– Wyeth's lupine
– large-leaved lupine
– large-leaved lupine
– large-leaved lupine
–
low lupine, rusty lupine
Distribution: Occurring east of the Cascades crest in south-central Washington; Washington south to California, east to the Rocky Mountains and Great Plains of Canada and the U.S.
Habitat: Shrub-steppe habitat, often where sandy.
Origin: Native
Flowers: May-June
– low lupine, rusty lupine
– river-bank lupine
Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia south to California.
Habitat: Gravelly prairies, open woods and river banks at low elevations.
Origin: Native
Flowers: April-September
– Sabin's lupine
Distribution: Blue Mountains of southeast Washington; south to northeast Oregon.
Habitat: Forest openings and grasslands at low to moderate elevations.
Origin: Native
Flowers: May-June
– rock lupine
Distribution: Occurring east of the Cascades crest in Washington; Washington south to California, east to Idaho and Nevada.
Habitat: Shrub-steppe habitat.
Origin: Native
Flowers: April-May
–
silky lupine
Distribution: Occurring chiefly east of the Cascades crest in Washington; British Columbia south to Oregon, east to Alberta and south to Arizona.
Habitat: Sagebrush deserts to forest openings at moderate elevations.
Origin: Native
Flowers: May-August
– Asotin silk lupine
– silky lupine
–
sulfur lupine
Distribution: Occurring east of the Cascades crest in Washington; British Columbia south to California.
Habitat: Shrub-steppe, grassland, and open ponderosa pine forests.
Origin: Native
Flowers: April-June
– Bingen lupine
– sulphur lupine
– spotted medic
Distribution: Occurring chiefly west of the Cascades crest in Washington; British Columbia south to California, east to Montana; also in the central, southern, and northeastern U.S.
Habitat: Disturbed areas including wastelots, roadsides and fields.
Origin: Introduced
Flowers: April-July
– hop clover, black medic
Distribution: Widely distributed throughout Washington; widely distributed throughout much of North America.
Habitat: Waste places and sandy or gravelly soil.
Origin: Introduced
Flowers: April-August
– burr medick
Distribution: Sparingly introduced in the Pacific Coast states, and some states in the southern and eastern United States
Habitat: Escaped from cultivation
Origin: Introduced
Flowers: March - June
– toothed medick
Distribution: Introduced from Europe and found almost throughout the United States; escecially abundant west of the Cascades and Sierra Nevada.
Habitat: Waste ground and disturbed areas, mostly at low elevations.
Origin: Introduced
Flowers: March - June
–
alfalfa, lucerne
Distribution: Introduced as a forage crop in the temperate regions of the world
Habitat: Near cultivated fields, roadsides, often on dry ground
Origin: Introduced
Flowers: June - October
– white sweet-clover
Distribution: Widely distributed across Washington; widely distributed as a weed over most of the United States and southern Canada.
Habitat: Roadsides, waste ground, disturbed soil.
Origin: Introduced
Flowers: May-October
– small flowered yellow sweet clover, Indian sweet-clover
Distribution: Sparingly introduced in western Washington and Oregon, more common in California.
Habitat: Waste ground, disturbed soil.
Origin: Introduced
Flowers: May - July
– yellow sweet-clover
Distribution: Widely distributed throughout Washington; introduced throughout the United States
Habitat: Widespread weed of roadsides and waste ground.
Origin: Introduced
Flowers: May-September
– holy-clover, saintfoin, sandfain
Distribution: Occasionally introduced in scattered locations throughout Washington; ranging throughout western North America and parts of central and eastern North America.
Habitat: Waste ground, disturbed soil.
Origin: Introduced
Flowers: June-August
–
restharrow
Origin: Introduced
– common restharrow
–
sticky crazyweed
Distribution: Alaska to Quebec, south chiefly in the Rocky Mountains to Colorado, west to the Sierra Nevada of California, the Wallowas of Oregon and the Olympics of Washington.
Habitat: Alpine and subalpine habitats.
Origin: Native
Flowers: June - August
– sticky crazyweed
–
field locoweed, yellow locoweed
Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska south to Oregon, east to Wisconsin and Quebec, south in the Rockies to Colorado.
Habitat: Forest openings and rocky balds from sea-level to the alpine.
Origin: Native
Flowers: May-July
– slender crazyweed
– slender crazyweed
– yellow-flower locoweed
– wanapum crazyweed
–
pendent-pod crazyweed
Distribution: Occurring in north-central Washington; widely distributed throughout western North America and across Canada.
Habitat: Forest openings and meadows at moderate elevations in the mountains.
Origin: Native
Flowers: June-July
– pendant-pod crazyweed
–
garden pea
Origin: Introduced
–
kudzu
Origin: Introduced
– bristly locust
Distribution: Introduced as an ornamental, occasionally escaping.
Habitat: Disturbed soil.
Origin: Introduced
Flowers: June - July
– black locust
Distribution: Native to eastern United States, and widely introduced in the West
Habitat: Common around old homesteads, along river banks
Origin: Introduced
Flowers: May - June
– California-tea
Distribution: West of the Cascades in Washington; Washington south to California.
Habitat: Prairie and forest edges at low elevations.
Origin: Native
Flowers: May-June
– purple crown-vetch, crown vetch
Distribution: Occurring in scattered locations in Washington; widely distributed throughout much of North America.
Habitat: Disturbed areas including wastelots, roadsides, and fields.
Origin: Introduced
Flowers: June-August
– Spanish-broom
Distribution: West of the Cascades in Washington; Washington south to California
Habitat: Disturbed areas, roadsides, forest margins.
Origin: Introduced
Flowers: April-September
– red bladder-vetch
Distribution: Occurring east of the Cascades in Washington; widely distributed in western half of North America except for northwestern provinces and Alaska.
Habitat: Alkaline soil at low elevations.
Origin: Introduced
Flowers: May-July
–
mountain buck-bean, mountain golden-banner, mountain golden-pea, mountain thermopsis
Distribution: Occurring on both sides of the Cascades in Washington; British Columbia south to California, east to the Rockies of Montana and Colorado.
Habitat: Sandy, well-drained soil to wet meadowland, low to moderate elevations.
Origin: Native
Flowers: May-August
– Hitchcock's thermopsis, mountain thermopsis
– slender goldenbanner
– Rancheria clover, rancheria clover
Distribution: Known from only a few scattered locations in Washington; Washington south to California, east to Arizona.
Habitat: Coastal bluffs to forest openings at middle elevations.
Origin: Native
Flowers: May-June
– rabbit-foot clover, hare's foot
Distribution: Introduced chiefly west of the Cascades in Washington; British Columbia south to Oregon.
Habitat: Uncommon in waste places and roadsides.
Origin: Introduced
Flowers: May-July
– golden clover, greater hop clover, yellow clover
Distribution: Occurring in scattered locations on both sides of the Cascades crest in Washington; Alaska south to California, east to Montana and Wyoming; also occurring in most of eastern North America.
Habitat: Roadsides, railways and waste places.
Origin: Introduced
Flowers: June-September
–
notch-leaf clover, pinole clover
Origin: Native
Flowers: April - June
– hop clover
Distribution: Distributed chiefly west of the Cascades in Washington; distributed widely throughout North America.
Habitat: Wastelands, roadsides, meadows, and other disturbed areas.
Origin: Introduced
Flowers: May-August
– nodding clover
Origin: Introduced
– foothill clover, tree clover
Distribution: Southern Washington south to Baja California west of the Cascades and Sierra Nevada, at elevations of up to several thousand feet in the south.
Habitat: Wet meadows to rather dry, sandy soil.
Origin: Native
Flowers: April - June
– bowl clover, cup clover
Distribution: Occurring chiefly east of the Cascades in Washington; British Columbia south to California.
Habitat: Uncommon in wet meadows to fairly dry, sandy soil, at moderate elevations.
Origin: Native
Flowers: May-July
–
poverty clover
Distribution: Central Oregon to southern California; sporadic and possibly always introduced in Washington and Vancouver Island, British Columbia.
Habitat: Open areas at low elevations.
Origin: Native
Flowers: April - June
– poverty clover
– branched Indian clover
Distribution: Occurring in the San Juan Islands in Washington; Willamette Valley, OR south to California.
Habitat: Open forest, sandy embankments, and grassy balds on islands.
Origin: Native
Flowers: April-June
– Douglas' clover
Distribution: Known from Garfield, Spokane, and Whitman counties in Washington; eastern Washington south to east-central Oregon, east to eastern Idaho; disjunct in sw Oregon.
Habitat: Moist to wet areas in including open meadows, forested wetlands, and streambanks.
Origin: Native
Flowers: June-July
– least hop clover, suckling clover
Distribution: Occurring on both sides of the Cascades crest in Washington; widely distributed throughout much of North America.
Habitat: Disturbed areas including forest openings, meadows, wastelots, roadsides, and lawns.
Origin: Introduced
Flowers: April-September
–
woolly-head clover
Distribution: Cascades from southern Washington to Northern California, east to Nevada, Utah and Montana
Habitat: Moderate to mid-elevations in the mountains
Origin: Native
Flowers: May - July
– woolly-head clover
– woolly-head cloover
– strawberry clover
Distribution: Introduced and occasionally established in Washington, Oregon and Idaho; more common in eastern United States.
Habitat: Waste places, disturbed soil.
Origin: Introduced
Flowers: April - July
– sour clover
Origin: Introduced
– clustered clover
Origin: Introduced
– slender clover
Origin: Native
Flowers: April - June
– rose clover
Origin: Introduced
– Alsike clover
Distribution: Introduced in Western United States
Habitat: Near cultivated fields and roadsides
Origin: Introduced
Flowers: April - September
– crimson clover
Distribution: Introduced, occasionally established in western Washington and Oregon.
Habitat: Wasteland, pastures, disturbed soil.
Origin: Introduced
Flowers: May - June
– twin clover
Distribution: Wallowa County, Oregon to Missoula, Montana.
Habitat: Moist meadows to rocky ridges.
Origin: Native
Flowers: June - August
–
long-stalked clover
Distribution: Common on both sides of the Cascades in Washington; British Columbia south to California, east to the Rocky Mountains.
Habitat: Meadows and valleys, lower mountains to subalpine slopes.
Origin: Native
Flowers: May-August
– long-stalked clover
– long-stalked clover
– long-stalked clover
– long-stalked clover
– big-head clover, large-head clover
Distribution: Occurring east of the Cascades crest in Washington; Washington, south through eastern Oregon, east to Idaho and Nevada.
Habitat: Shrub-steppe, sagebrush desert and ponderosa pine woodlands.
Origin: Native
Flowers: April-June
– small-head clover
Distribution: Distributed widely throughout Washington; British Columbia to Baja California, east to Montana and Arizona.
Habitat: Moist meadows, sandy riverbanks and drier hillsides, coastal to mid-elevations in the mountains.
Origin: Native
Flowers: April-June
– thimble clover, Valparaiso clover
Distribution: Chiefly west of the Cascades in Washington; British Columbia south to California.
Habitat: In meadows or on rocky or sandy soil at low elevations.
Origin: Native
Flowers: April-June
– few-flowerered clover
Distribution: West of the Cascades, from southwest British Columbia to California.
Habitat: Meadowland to dry, rocky soil at low elevations.
Origin: Native
Flowers: March-July
–
plumed clover
Origin: Native
Flowers: May - August
– plumed clover
– plumed clover
– red clover
Distribution: Introduced throughout the United States; common forage crop in the Pacific Northwest
Habitat: Escaped from cultivation; found along mountain trails where horses have been used
Origin: Introduced
Flowers: June - August
– Dutch clover, white clover
Distribution: Widely distributed throughout Washington; widely distributed throughout North America.
Habitat: Established in a variety of native habitats, such as mountain meadows
Origin: Introduced
Flowers: April-September
– reversed clover
Origin: Native
– teasel clover
Origin: Introduced
– knotted clover
Origin: Introduced
– burrowing clover
Distribution: Chiefly west of the Cascades in Washington; British Columbia south to California; southeastern U.S.
Habitat: Pastures, prairies, roadsides and other open, disturbed areas at low elevations.
Origin: Introduced
Flowers: April-June
– suffocated clover
Origin: Introduced
– Thompson's clover
Distribution: Swakane Canyon, Chelan County, Washington, north to Entiat Valley, and in Douglas County opposite Swakane Canyon.
Habitat: Common on dry, grassy hillsides just below the ponderosa pine woodlands
Origin: Native
Flowers: May - June
– white-tip clover
Distribution: Widely distributed throughout much of Washington; Alaska south to California, east towards the Rocky Mountains.
Habitat: Dry, sandy soil to moist meadows.
Origin: Native
Flowers: April-July
– arrow-leaf clover
Distribution: Occurring in a few locations in lowland western Washington; Washington south to California; also in the south-central and southeastern U.S.
Habitat: Disturbed areas in including wastelots, roadsides, and fields.
Origin: Introduced
– sand clover, springbank clover, tomcat clover
Distribution: West side of the Cascades and east along the Columbia River in Washington; British Columbia south to California.
Habitat: Grassy hillsides, balds, prairies and meadows at low to moderate elevations.
Origin: Native
Flowers: April-July
– cow clover, salt marsh clover
Distribution: Alaska to California, east to Montana and New Mexico; more common west of the Cascades in Washington
Habitat: Costal dunes to moist meadows and stream banks at low to moderate elevations in the mountains
Origin: Native
Flowers: May - September
– common gorse
Distribution: Occurring west of the Cascades crest in Washington; British Columbia south to California; also in the eastern U.S.
Habitat: Disturbed areas at low elevation, often near or along roadsides.
Origin: Introduced
Flowers: April-September
–
American vetch
Distribution: Widely distributed througout much of Washington; widely distributed throughout most of North America except the southeastern U.S.
Habitat: Forest openings from low to mid-elevations in the mountains.
Origin: Native
Flowers: May-July
– American vetch
– cat peas, tinegrass, bird vetch, tufted vetch
Distribution: Introduced and widely naturalized in eastern United States; occasional in the Rocky Mountains and westward.
Habitat: Waste land, roadsides.
Origin: Introduced
Flowers: May - July
– hairy vetch, tiny vetch
Distribution: Introduced and fairly common in western Washington and Oregon
Habitat: Disturbed ground, gardens, low elevations
Origin: Introduced
Flowers: May - July
– spring vetch
Distribution: Occurring in the Puget Sound lowlands in Washington; British Columbia south to California; also in southeastern U.S.
Habitat: Disturbed areas including wastelots, roadsides, and fields.
Origin: Introduced
Flowers: April-June
– yellow vetch
Origin: Introduced
–
giant vetch
Distribution: Along the coast in Washington; coastal from Alaska to California, inland to the Willamette Valley in Oregon.
Habitat: Near streams or forest clearings at low elevations.
Origin: Native
Flowers: May-July
– giant vetch
– Hungarian vetch
Origin: Introduced
Flowers: May - June
–
tare, common vetch
Distribution: Occurring on both sides of the Cascades crest in Washington, but more common on the west side; widely distributed throughout most of North America.
Habitat: Disturbed ground, yards and roadsides at low elevations.
Origin: Introduced
Flowers: April-July
– tare, common vetch
– common vetch
– slender vetch
Distribution: Introduced and occasionally escaping west of the Cascades in Washington and Oregon, south to California.
Habitat: Waste ground and disgturbed soil.
Origin: Introduced
Flowers: May - August
–
hairy vetch, winter vetch, woolly vetch
Distribution: Occurring on both sides of the Cascades in Washington; distributed widely throughout much of North America.
Habitat: Disturbed meadows, grasslands, prairies, roadsides and other open areas.
Origin: Introduced
Flowers: June-September
– hairy vetch, winter vetch, woolly vetch
– smoooth tare, lentil vetch, slender vetch