Oleaceae
Olive Family
3 genera
5 species
5 species
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Fraxinus latifolia – Oregon ash
Distribution: Occurring chiefly west of the Cascades crest but also east in the Columbia River Gorge in Washington; southwestern British Columbia to California.
Habitat: Forest edge, thickets, prairie margins, and fields, generally where moist.
Origin: Native
Flowers: March-May
Growth Duration: Perennial
Distribution: Occurring chiefly west of the Cascades crest but also east in the Columbia River Gorge in Washington; southwestern British Columbia to California.
Habitat: Forest edge, thickets, prairie margins, and fields, generally where moist.
Origin: Native
Flowers: March-May
Growth Duration: Perennial
Fraxinus pennsylvanica – green ash
Distribution: Occurring chiefly east of the Cascades crest in Washington; British Columbia to Oregon, east to Idaho and Montana; native to central and eastern North America.
Habitat: Riparian zones where soil is moist but not saturated.
Origin: Introduced from central and eastern North America
Flowers: April-June
Growth Duration: Perennial
Distribution: Occurring chiefly east of the Cascades crest in Washington; British Columbia to Oregon, east to Idaho and Montana; native to central and eastern North America.
Habitat: Riparian zones where soil is moist but not saturated.
Origin: Introduced from central and eastern North America
Flowers: April-June
Growth Duration: Perennial
Ligustrum ovalifolium – California privet
Distribution: Occurring west of the Cascades crest in Washington; British Columbia to Washington.
Habitat: Disturbed forest edge, thickets, wastelots, and other disturbed areas.
Origin: Introduced from Europe
Flowers: May-July
Growth Duration: Perennial
Distribution: Occurring west of the Cascades crest in Washington; British Columbia to Washington.
Habitat: Disturbed forest edge, thickets, wastelots, and other disturbed areas.
Origin: Introduced from Europe
Flowers: May-July
Growth Duration: Perennial
Ligustrum vulgare – common privet
Distribution: Occurring chiefly west of the Cascades in Washington; British Columbia to Texas, east to the Atlantic Coast
Habitat: At low elevations in forest understory, forest and prairie edges, and disturbed areas.
Origin: Introduced from Europe
Flowers: April-May
Growth Duration: Perennial
Distribution: Occurring chiefly west of the Cascades in Washington; British Columbia to Texas, east to the Atlantic Coast
Habitat: At low elevations in forest understory, forest and prairie edges, and disturbed areas.
Origin: Introduced from Europe
Flowers: April-May
Growth Duration: Perennial
Syringa vulgaris – common lilac
Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia to California, east in scattered locations across North America to the Atlantic Coast.
Habitat: Fields, forest edge, roadsides, wastelots, and other disturbed areas.
Origin: Introduced
Flowers: April-June
Growth Duration: Perennial
Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia to California, east in scattered locations across North America to the Atlantic Coast.
Habitat: Fields, forest edge, roadsides, wastelots, and other disturbed areas.
Origin: Introduced
Flowers: April-June
Growth Duration: Perennial
