Salix
willow
36 species
8 subspecies and varieties
8 subspecies and varieties
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Salix amygdaloides – peach-leaf willow
Distribution: East side of the Cascades in Washington; widely distributed throughout North America except in extreme northwestern and southeastern regions.
Habitat: Wetlands, streambanks, and other riparian areas.
Origin: Native
Flowers: March-May
Growth Duration: Perennial
Distribution: East side of the Cascades in Washington; widely distributed throughout North America except in extreme northwestern and southeastern regions.
Habitat: Wetlands, streambanks, and other riparian areas.
Origin: Native
Flowers: March-May
Growth Duration: Perennial
Salix arctica – arctic willow
Distribution: Occurring in northwestern Washington; Alaska to northwestern Washington, east across northern Canada; circumboreal.
Habitat: In wet to dry areas in the alpine.
Origin: Native
Flowers: June-August
Growth Duration: Perennial
Distribution: Occurring in northwestern Washington; Alaska to northwestern Washington, east across northern Canada; circumboreal.
Habitat: In wet to dry areas in the alpine.
Origin: Native
Flowers: June-August
Growth Duration: Perennial
Salix barclayi – barclay's willow
Distribution: Chiefly in the Olympic and Cascade mountains of Washington; Alaska east to Northwest Territories, south to Oregon and Wyoming.
Habitat: Lakes, streams, and other riparian areas in subalpine and alpine zone.
Origin: Native
Flowers: June-August
Growth Duration: Perennial
Distribution: Chiefly in the Olympic and Cascade mountains of Washington; Alaska east to Northwest Territories, south to Oregon and Wyoming.
Habitat: Lakes, streams, and other riparian areas in subalpine and alpine zone.
Origin: Native
Flowers: June-August
Growth Duration: Perennial
Salix bebbiana – Bebb's willow, gray willow, long-beak willow
Distribution: Chiefly east of the Cascades in Washington; widely distributed throughout North America except for southcentral and southeastern U.S.
Habitat: Lakes, streams, and other riparian areas from low to moderate elevations in the mountains.
Origin: Native
Flowers: April-June
Growth Duration: Perennial
Distribution: Chiefly east of the Cascades in Washington; widely distributed throughout North America except for southcentral and southeastern U.S.
Habitat: Lakes, streams, and other riparian areas from low to moderate elevations in the mountains.
Origin: Native
Flowers: April-June
Growth Duration: Perennial
Salix boothii – Booth's willow
Distribution: In the Cascades of Washington; distributed in western North America from British Columbia east to Saskatchewan, south to California, east to Arizona.
Habitat: Wet subalpine meadows, streambanks, lakeshores, and other riparian areas.
Origin: Native
Flowers: May-July
Growth Duration: Perennial
Distribution: In the Cascades of Washington; distributed in western North America from British Columbia east to Saskatchewan, south to California, east to Arizona.
Habitat: Wet subalpine meadows, streambanks, lakeshores, and other riparian areas.
Origin: Native
Flowers: May-July
Growth Duration: Perennial
Salix brachycarpa – short-fruited willow
Distribution: Occurring east of the Cascades crest in Washington; Yukon Territory to California, east to the Rocky Mountains, and east across Canada to Quebec.
Habitat: Riparian areas, wetlands, and meadows from middle elevations to the subalpine.
Origin: Native
Flowers: April-June
Growth Duration: Perennial
Distribution: Occurring east of the Cascades crest in Washington; Yukon Territory to California, east to the Rocky Mountains, and east across Canada to Quebec.
Habitat: Riparian areas, wetlands, and meadows from middle elevations to the subalpine.
Origin: Native
Flowers: April-June
Growth Duration: Perennial
• var. brachycarpa – short-fruited willow
Salix candida – sage willow, sage-leaf willow
Distribution: In the mountains of northeastern and southeastern Washington; widespread across North America from Alaska south to Washington, east through central U.S. to Canadian Maritimes.
Habitat: Lakeshores, pond margins, streambanks, and other riparian areas.
Origin: Native
Flowers: April-June
Growth Duration: Perennial
Distribution: In the mountains of northeastern and southeastern Washington; widespread across North America from Alaska south to Washington, east through central U.S. to Canadian Maritimes.
Habitat: Lakeshores, pond margins, streambanks, and other riparian areas.
Origin: Native
Flowers: April-June
Growth Duration: Perennial
Salix cascadensis – Cascade willow
Distribution: In the Cascade Mountains of Washington; British Columbia south in the Cascades to Mt. Rainier, occasionally east to northeast Oregon, Idaho and Montana, south to Utah and Colorado.
Habitat: High elevations in the mountains in subalpine and alpine habitats
Origin: Native
Flowers: June-August
Growth Duration: Perennial
Distribution: In the Cascade Mountains of Washington; British Columbia south in the Cascades to Mt. Rainier, occasionally east to northeast Oregon, Idaho and Montana, south to Utah and Colorado.
Habitat: High elevations in the mountains in subalpine and alpine habitats
Origin: Native
Flowers: June-August
Growth Duration: Perennial
Salix commutata – under-green willow, variable willow
Distribution: Chiefly in the Olympic and Cascade mountains of Washington; Alaska and Yukon south to Oregon, occasionally east to idaho and Montana.
Habitat: Moist areas, mid- to high elevations in the mountains.
Origin: Native
Flowers: June-September
Growth Duration: Perennial
Distribution: Chiefly in the Olympic and Cascade mountains of Washington; Alaska and Yukon south to Oregon, occasionally east to idaho and Montana.
Habitat: Moist areas, mid- to high elevations in the mountains.
Origin: Native
Flowers: June-September
Growth Duration: Perennial
Salix drummondiana – Drummond's willow
Distribution: In the East Cascades and mountains of eastern Washington; Yukon Territory east to Northwest Territories, south to California, east through the Rocky Mountains.
Habitat: Streambanks, lakeshores, floodplains, and other riparian areas in montane and subalpine habitats.
Origin: Native
Flowers: April-June
Growth Duration: Perennial
Distribution: In the East Cascades and mountains of eastern Washington; Yukon Territory east to Northwest Territories, south to California, east through the Rocky Mountains.
Habitat: Streambanks, lakeshores, floodplains, and other riparian areas in montane and subalpine habitats.
Origin: Native
Flowers: April-June
Growth Duration: Perennial
Salix eastwoodiae – Sierran willow
Distribution: In the mountains of Washington; Washington south to California, east to Montana, Wyoming, and Nevada.
Habitat: Alpine and subalpine meadows.
Origin: Native
Flowers: May-July
Growth Duration: Perennial
Distribution: In the mountains of Washington; Washington south to California, east to Montana, Wyoming, and Nevada.
Habitat: Alpine and subalpine meadows.
Origin: Native
Flowers: May-July
Growth Duration: Perennial
Salix exigua – coyote willow, narrow-leaf willow
Distribution: Chiefly east of the Cascades in Washington; British Columbia and Alberta south to California, east through the Rocky Mountains to Nebraska and Texas.
Habitat: Riparian areas, gravel bars, lake and pond shore margins
Origin: Native
Flowers: April-May
Growth Duration: Perennial
Distribution: Chiefly east of the Cascades in Washington; British Columbia and Alberta south to California, east through the Rocky Mountains to Nebraska and Texas.
Habitat: Riparian areas, gravel bars, lake and pond shore margins
Origin: Native
Flowers: April-May
Growth Duration: Perennial
• var. columbiana – Columbia River willow
• var. exigua – coyote willow, narrow-leaf willow
Salix farriae – Farr's willow
Distribution: Occurring east of the Cascades crest in Washington, where known only from Okanogan County; Yukon to northern Washington and northeast Oregon, east to Montana, Idaho and Wyoming.
Habitat: Wet meadows and riparian zones from montane areas to the subalpine.
Origin: Native
Flowers: June-July
Growth Duration: Perennial
Distribution: Occurring east of the Cascades crest in Washington, where known only from Okanogan County; Yukon to northern Washington and northeast Oregon, east to Montana, Idaho and Wyoming.
Habitat: Wet meadows and riparian zones from montane areas to the subalpine.
Origin: Native
Flowers: June-July
Growth Duration: Perennial
Salix fragilis – crack willow
Distribution: Occurring east of the Cascades crest in Washington; British Columbia to Oregon, east to Idaho and Montana.
Origin: Introduced
Growth Duration: Perennial
Distribution: Occurring east of the Cascades crest in Washington; British Columbia to Oregon, east to Idaho and Montana.
Origin: Introduced
Growth Duration: Perennial
Salix geyeriana – Geyer's willow
Distribution: Both sides of the Cascades in Washington; widespread in western North America from British Columbia south to California, east to the Rocky Mountains.
Habitat: Lowland riparian areas including streambanks and pond and lake margins.
Origin: Native
Flowers: April-June
Growth Duration: Perennial
Distribution: Both sides of the Cascades in Washington; widespread in western North America from British Columbia south to California, east to the Rocky Mountains.
Habitat: Lowland riparian areas including streambanks and pond and lake margins.
Origin: Native
Flowers: April-June
Growth Duration: Perennial
Salix hookeriana – coastal willow
Distribution: Chiefly west of the Cascades in Washington; British Columbia south to California.
Habitat: Moist, often swamps areas, from the sea coast to mid-elevations in the mountains.
Origin: Native
Flowers: March-April
Growth Duration: Perennial
Distribution: Chiefly west of the Cascades in Washington; British Columbia south to California.
Habitat: Moist, often swamps areas, from the sea coast to mid-elevations in the mountains.
Origin: Native
Flowers: March-April
Growth Duration: Perennial
Salix lasiandra – Pacific willow
Distribution: Widely distributed throughout Washington; Alaska south to California, east to Manitoba and New Mexico.
Habitat: Riparian areas from the coast to the mountains.
Origin: Native
Flowers: March-June
Growth Duration: Perennial
Distribution: Widely distributed throughout Washington; Alaska south to California, east to Manitoba and New Mexico.
Habitat: Riparian areas from the coast to the mountains.
Origin: Native
Flowers: March-June
Growth Duration: Perennial
• var. caudata – gland willow, Pacific willow, shining willow
• var. lasiandra – Pacific willow
Salix lasiolepis – arroyo willow
Distribution: Occurring east of the Cascades crest in Washington; Washington south to California, east to Idaho, south to the southern Rocky Mountains and Texas.
Habitat: Riparian corridors from low to moderate elevations.
Origin: Native
Flowers: April-June
Growth Duration: Perennial
Distribution: Occurring east of the Cascades crest in Washington; Washington south to California, east to Idaho, south to the southern Rocky Mountains and Texas.
Habitat: Riparian corridors from low to moderate elevations.
Origin: Native
Flowers: April-June
Growth Duration: Perennial
Salix maccalliana – Maccalla's willow
Distribution: East of the Cascades in Washington; Yukon Territory south to Washington, east across northern North America to Quebec.
Habitat: Wet meadows, bogs, fens, streambanks and lakeshores from low to moderate elevations in the mountains.
Origin: Native
Flowers: May-June
Growth Duration: Perennial
Distribution: East of the Cascades in Washington; Yukon Territory south to Washington, east across northern North America to Quebec.
Habitat: Wet meadows, bogs, fens, streambanks and lakeshores from low to moderate elevations in the mountains.
Origin: Native
Flowers: May-June
Growth Duration: Perennial
Salix melanopsis – dusky willow
Distribution: Occurring chiefly east of the Cascades crest in Washington; British Columbia south to California, east to the northern and central Rocky Mountains.
Habitat: Riparian zones including streambanks, pond and lake margins, and subalpine meadows.
Origin: Native
Flowers: June-July
Growth Duration: Perennial
Distribution: Occurring chiefly east of the Cascades crest in Washington; British Columbia south to California, east to the northern and central Rocky Mountains.
Habitat: Riparian zones including streambanks, pond and lake margins, and subalpine meadows.
Origin: Native
Flowers: June-July
Growth Duration: Perennial
Salix nivalis – dwarf snow willow
Distribution: In the Olympic and Cascade mountains of Washington; British Columbia and Alberta, south to California, east to Colorado.
Habitat: Subalpine meadows and alpine areas.
Origin: Native
Flowers: June-August
Growth Duration: Perennial
Distribution: In the Olympic and Cascade mountains of Washington; British Columbia and Alberta, south to California, east to Colorado.
Habitat: Subalpine meadows and alpine areas.
Origin: Native
Flowers: June-August
Growth Duration: Perennial
Salix pedicellaris – bog willow
Distribution: Chiefly in the Cascades of Washington; Yukon Territory south to Oregon, east across Canada and northern U.S. to the Atlantic Coast.
Habitat: Bogs, fens, and similar wet meadows.
Origin: Native
Flowers: April-June
Growth Duration: Perennial
Distribution: Chiefly in the Cascades of Washington; Yukon Territory south to Oregon, east across Canada and northern U.S. to the Atlantic Coast.
Habitat: Bogs, fens, and similar wet meadows.
Origin: Native
Flowers: April-June
Growth Duration: Perennial
Salix petrophila – alpine willow
Distribution: Northern Cascades of Washington; British Columbia south to California, east to the Rocky Mountains.
Habitat: Alpine areas, often near melting snowbanks.
Origin: Native
Flowers: July-Aug.
Growth Duration: Perennial
Distribution: Northern Cascades of Washington; British Columbia south to California, east to the Rocky Mountains.
Habitat: Alpine areas, often near melting snowbanks.
Origin: Native
Flowers: July-Aug.
Growth Duration: Perennial
Salix planifolia – plane-leaf willow, tea-leaved willow
Distribution: Chiefly in the Cascade Mountains of Washington; widely distributed throughout western North America and across northern half of North America to the Atlantic Coast.
Habitat: Wet meadows, lake margins, streambanks and other riparian areas in the alpine and subalpine.
Origin: Native
Flowers: May-July
Growth Duration: Perennial
Distribution: Chiefly in the Cascade Mountains of Washington; widely distributed throughout western North America and across northern half of North America to the Atlantic Coast.
Habitat: Wet meadows, lake margins, streambanks and other riparian areas in the alpine and subalpine.
Origin: Native
Flowers: May-July
Growth Duration: Perennial
• var. planifolia – diamondleaf willow
Salix prolixa – Mackenzie's willow
Distribution: Widely distributed throughout Washington; British Columbia to California, east to Newfoundland and Virginia.
Habitat: Along streams in the lowlands to lower valleys in the mountains.
Origin: Native
Flowers: April-June
Growth Duration: Perennial
Distribution: Widely distributed throughout Washington; British Columbia to California, east to Newfoundland and Virginia.
Habitat: Along streams in the lowlands to lower valleys in the mountains.
Origin: Native
Flowers: April-June
Growth Duration: Perennial
Salix pseudomonticola – false mountain willow
Distribution: Chiefly in the Cascade Mountains in Washington; Alaska to Washington, east to Quebec.
Habitat: Wet meadows, forested wetlands, and other riparian areas in the mountains.
Origin: Native
Flowers: April-June
Growth Duration: Perennial
Distribution: Chiefly in the Cascade Mountains in Washington; Alaska to Washington, east to Quebec.
Habitat: Wet meadows, forested wetlands, and other riparian areas in the mountains.
Origin: Native
Flowers: April-June
Growth Duration: Perennial
Salix purpurea – purple osier, basket willow, purple willow
Distribution: Occurring in scattered lowland locations west of the Cascades crest in Washington; British Columbia to California, also in Utah, and from the central U.S. and Canada to the Atlantic Coast.
Origin: Introduced
Distribution: Occurring in scattered lowland locations west of the Cascades crest in Washington; British Columbia to California, also in Utah, and from the central U.S. and Canada to the Atlantic Coast.
Origin: Introduced
Salix scouleriana – Scouler's willow
Distribution: Widely distributed on both sides of the Cascades crest in Washington; Alaska to California, east to the Rocky Mountains and northern Great Plains.
Habitat: Moist woods and streambanks, lowlands to moderate elevations in the mountains.
Origin: Native
Flowers: March-June
Growth Duration: Perennial
Distribution: Widely distributed on both sides of the Cascades crest in Washington; Alaska to California, east to the Rocky Mountains and northern Great Plains.
Habitat: Moist woods and streambanks, lowlands to moderate elevations in the mountains.
Origin: Native
Flowers: March-June
Growth Duration: Perennial
Salix sessilifolia – sessile-leaf willow
Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia south to Oregon.
Habitat: Riparian corridors at low to moderate elevations.
Origin: Native
Flowers: May-July
Growth Duration: Perennial
Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia south to Oregon.
Habitat: Riparian corridors at low to moderate elevations.
Origin: Native
Flowers: May-July
Growth Duration: Perennial
Salix sitchensis – Sitka willow
Distribution: Occurring in forested areas on both sides of the Cascades crest in Washington; Alaska to California, east to western Montana.
Habitat: Moist woods and stream banks, lowlands to moderate elevations in the mountains.
Origin: Native
Flowers: April-June
Growth Duration: Perennial
Distribution: Occurring in forested areas on both sides of the Cascades crest in Washington; Alaska to California, east to western Montana.
Habitat: Moist woods and stream banks, lowlands to moderate elevations in the mountains.
Origin: Native
Flowers: April-June
Growth Duration: Perennial
• var. sitchensis – Sitka willow
Salix tweedyi – Tweedy's willow
Distribution: Chiefly North Cascade Mountains in Washington; British Columbia south to Washington, east to Montana, Idaho and Wyoming.
Habitat: Wet meadows, lake margins, streambanks, and other riparian areas in alpine and subalpine.
Origin: Native
Flowers: July-August
Growth Duration: Perennial
Distribution: Chiefly North Cascade Mountains in Washington; British Columbia south to Washington, east to Montana, Idaho and Wyoming.
Habitat: Wet meadows, lake margins, streambanks, and other riparian areas in alpine and subalpine.
Origin: Native
Flowers: July-August
Growth Duration: Perennial
Salix vestita – rock willow
Distribution: North Cascade Mountains in Washington; British Columbia south to Oregon, east across northern North America to the Canadian Maritime Provinces.
Habitat: Moist forest opening, streambanks, and other riparian areas in montane and subalpine habitats.
Origin: Native
Flowers: June-July
Growth Duration: Perennial
Distribution: North Cascade Mountains in Washington; British Columbia south to Oregon, east across northern North America to the Canadian Maritime Provinces.
Habitat: Moist forest opening, streambanks, and other riparian areas in montane and subalpine habitats.
Origin: Native
Flowers: June-July
Growth Duration: Perennial
