Oleaceae
Olive Family
3 genera
7 species
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Fraxinus latifoliaOregon 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
Fraxinus pennsylvanicagreen ash
Distribution: Occurring chiefly east of the Cascades crest in Washington; widely distributed throughout much of North America except some West Coast states and provinces.
Habitat: Riparian zones where soil is moist but not saturated.
Origin: Introduced
Flowers: April-June
Ligustrum ×iboleum
Origin: Introduced
Ligustrum obtusifolium
Origin: Introduced
Ligustrum ovalifoliumCalifornia privet
Origin: Introduced
Ligustrum vulgarecommon privet
Distribution: Occurring west of the Cascades in Washington; British Columbia south to Texas, east to the Atlantic Coast
Habitat: At low elevations in forest understory, forest and prairie edges, and disturbed areas.
Origin: Introduced
Flowers: April-May
Syringa vulgariscommon lilac
Origin: Introduced