Betula
birch
15 common names
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Bog birch (Betula pumila)
Distribution: Occurring chiefly west of the Cascades crest in Washington; Yukon Territory to Oregon, east to northern Idaho and western Montana, east to the Atlantic.
Habitat: Wet places, often in swamps and bogs.
Origin: Native
Flowers: April-June
Growth Duration: Perennial
Canoe birch (Betula papyrifera)
Distribution: Occurring on both sides of the Cascades crest in Washington; Yukon Territory to northeastern Oregon, east across the northern U.S. and Canada to the Atlantic Coast.
Habitat: Moist, open to dense woods at low to middle elevations.
Origin: Native
Flowers: March-May
Growth Duration: Perennial
Downy birch (Betula pubescens)
Origin: Introduced
European weeping birch (Betula pendula)
Distribution: Occurring chiefly west of the Cascades crest in Washington; southern British Columbia to Oregon; also in northeastern North America.
Habitat: Disturbed areas associated with urban and suburban development where the trees escape from cultivation.
Origin: Introduced from Eurasia
Flowers: April-May
Growth Duration: Perennial
Gray birch (Betula populifolia)
Origin: Introduced
Hybrid birch (Betula ×utahensis)
Distribution: Occurring chiefly east of the Cascades crest in Washington; British Columbia to Washington, east to the northern Rocky Mountains and northern Great Plains.
Habitat: Moist, open to dense woodlands or swamps from lowlands to montane.
Origin: Native
Flowers: March-May
Growth Duration: Perennial
Paper birch (Betula papyrifera)
Distribution: Occurring on both sides of the Cascades crest in Washington; Yukon Territory to northeastern Oregon, east across the northern U.S. and Canada to the Atlantic Coast.
Habitat: Moist, open to dense woods at low to middle elevations.
Origin: Native
Flowers: March-May
Growth Duration: Perennial
Red birch (Betula occidentalis)
Distribution: Occurring chiefly east of the Cascades crest in Washington; Alaska to California, east in Canada to Ontario, east in the U.S. to the Rocky Mountains and northern Great Plains.
Habitat: Moist areas, streambanks at low elevations.
Origin: Native
Flowers: February-June
Growth Duration: Perennial
Resin birch (Betula glandulosa)
Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to California, east to the Rocky Mountain States and to northeastern North America.
Habitat: Stream banks, margins of marshes, lakes and bogs, and on alpine slopes.
Origin: Native
Flowers: April-July
Growth Duration: Perennial
River birch (Betula occidentalis)
Distribution: Occurring chiefly east of the Cascades crest in Washington; Alaska to California, east in Canada to Ontario, east in the U.S. to the Rocky Mountains and northern Great Plains.
Habitat: Moist areas, streambanks at low elevations.
Origin: Native
Flowers: February-June
Growth Duration: Perennial
Swamp birch (Betula glandulosa)
Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to California, east to the Rocky Mountain States and to northeastern North America.
Habitat: Stream banks, margins of marshes, lakes and bogs, and on alpine slopes.
Origin: Native
Flowers: April-July
Growth Duration: Perennial
Swamp birch (Betula pumila)
Distribution: Occurring chiefly west of the Cascades crest in Washington; Yukon Territory to Oregon, east to northern Idaho and western Montana, east to the Atlantic.
Habitat: Wet places, often in swamps and bogs.
Origin: Native
Flowers: April-June
Growth Duration: Perennial
Water birch (Betula occidentalis)
Distribution: Occurring chiefly east of the Cascades crest in Washington; Alaska to California, east in Canada to Ontario, east in the U.S. to the Rocky Mountains and northern Great Plains.
Habitat: Moist areas, streambanks at low elevations.
Origin: Native
Flowers: February-June
Growth Duration: Perennial
Western paper birch (Betula papyrifera)
Distribution: Occurring on both sides of the Cascades crest in Washington; Yukon Territory to northeastern Oregon, east across the northern U.S. and Canada to the Atlantic Coast.
Habitat: Moist, open to dense woods at low to middle elevations.
Origin: Native
Flowers: March-May
Growth Duration: Perennial
White birch (Betula papyrifera)
Distribution: Occurring on both sides of the Cascades crest in Washington; Yukon Territory to northeastern Oregon, east across the northern U.S. and Canada to the Atlantic Coast.
Habitat: Moist, open to dense woods at low to middle elevations.
Origin: Native
Flowers: March-May
Growth Duration: Perennial