Elaeagnaceae
Oleaster Family
2 genera
4 species
4 species
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Elaeagnus angustifolia – Russian-olive
Distribution: Occurring east of the Cascades crest in Washington; British Columbia to California, east across North America to the Atlantic Coast.
Habitat: Weedy escape, especially in riparian areas; often planted historically as a windbreak.
Origin: Introduced from Eurasia
Flowers: May-July
Growth Duration: Perennial
Distribution: Occurring east of the Cascades crest in Washington; British Columbia to California, east across North America to the Atlantic Coast.
Habitat: Weedy escape, especially in riparian areas; often planted historically as a windbreak.
Origin: Introduced from Eurasia
Flowers: May-July
Growth Duration: Perennial
Elaeagnus commutata – American silver-berry, wolfberry
Distribution: Occurring east of the Cascades crest in Washington; Alaska to Washington and California (but not Oregon), east to the Rocky Mountains, Great Plains, and eastern Canada.
Habitat: Gravel benches and scabland, commonly along watercourses.
Origin: Native
Flowers: June-July
Growth Duration: Perennial
Distribution: Occurring east of the Cascades crest in Washington; Alaska to Washington and California (but not Oregon), east to the Rocky Mountains, Great Plains, and eastern Canada.
Habitat: Gravel benches and scabland, commonly along watercourses.
Origin: Native
Flowers: June-July
Growth Duration: Perennial
Elaeagnus umbellata – autumn olive
Distribution: Occurring in scattered locations on both sides of the Cascades crest in Washington; British Columbia to Oregon, also in Montana; central and eastern North America.
Habitat: Introduced from eastern Asia as ornamental shrub, occasionally escaping in disturbed areas and waste ground.
Origin: Introduced from eastern Asia
Flowers: June-July
Growth Duration: Perennial
Distribution: Occurring in scattered locations on both sides of the Cascades crest in Washington; British Columbia to Oregon, also in Montana; central and eastern North America.
Habitat: Introduced from eastern Asia as ornamental shrub, occasionally escaping in disturbed areas and waste ground.
Origin: Introduced from eastern Asia
Flowers: June-July
Growth Duration: Perennial
Shepherdia canadensis – russet buffalo-berry, soapberry, soopolallie
Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to Oregon, east to the Atlantic Coast.
Habitat: Moderately dry, open to wooded areas, sea level to mid-elevations in the mountains.
Origin: Native
Flowers: May-July
Growth Duration: Perennial
Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to Oregon, east to the Atlantic Coast.
Habitat: Moderately dry, open to wooded areas, sea level to mid-elevations in the mountains.
Origin: Native
Flowers: May-July
Growth Duration: Perennial
