Adoxaceae
Muskroot Family
2 genera
8 species
5 subspecies and varieties
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Sambucus ceruleablue elderberry
Distribution: Widely distributed on both sides of the Cascades crest in Washington; southern British Columbia to California, east to the Rocky Mountains.
Habitat: Forest edge, fields, and roadsides from near sea level to middle elevations in the mountains.
Origin: Native
Flowers: May-July
Sambucus nigrablack elderberry
Distribution: Uncommon west of the Cascades crest in Washington; southern British Columbia to northern Oregon; eastern North America where S. nigra var. canadensis is native. and var. nigra is more frequently escaped.
Habitat: Disturbed areas where rarely escaping from nearby cultivation.
Origin: Introduced from Europe and eastern North America
Flowers: May-July
Growth Duration: perennial
Sambucus racemosared elderberry
Distribution: Widely distributed on both sides of the Cascades crest in Washington; Alaska to California, east to the Rocky Mountains, northern Great Plains, Great Lakes region, and eastern North America.
Habitat: A wide variety of habitats, typically in forests, forest edge, fields, and wet areas.
Origin: Native
Flowers: March-July
Growth Duration: perennial
var. arborescens – coast red elderberry
var. melanocarpa – black elderberry
Viburnum edulesquashberry
Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to California, east to the Rocky Mountains, across Canada, the Great Lakes area, and further east to northeastern North America.
Habitat: Moist woods and swamps.
Origin: Native
Flowers: May-July
Growth Duration: perennial
Viburnum ellipticumwestern blackhaw, oval-leaved viburnum
Distribution: Occurring west of the Cascades crest chiefly along the southern border in Washington; southern Washington to northern California.
Habitat: Thickets, bottom lands, and open woods at low to middle elevations.
Origin: Native
Flowers: May-June
Growth Duration: perennial
Viburnum lantanawayfaring-tree
Distribution: Occurring in scattered locations on both sides of the Cascades crest in Washington; British Columbia to Washington and Montana, also in eastern North America.
Habitat: Disturbed thickets, riparian forest, and forest edge.
Origin: Introduced from Europe
Flowers: May-June
Viburnum opuluscranberry-bush, high-bush cranberry
Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia to Oregon, east across Canada and the northern U.S. to the Atlantic Coast.
Habitat: Moist woods at low to moderate elevations.
Origin: Native
Flowers: May-July
Growth Duration: perennial
var. americanum – American cranberry-bush, American high-bush cranberry
var. opulus – European cranberry-bush, European high-bush cranberry
Viburnum tinuslaurustinus
Origin: Introduced