The Olive or Ash Family West of the Cascade Mountains of Oregon and Washington

Oleaceae

Oregon Ash: Fraxinus latifolia (Synonyms: Fraxinus americana ssp. oregona, Fraxinus oregona, Fraxinus oregona var. latifolia) - Native.

Green Ash: Fraxinus pennsylvanica - Non-native, naturalized.

Border Privet: Ligustrum obtusifolium - Non-native, not naturalized.

California Privet: Ligustrum ovlifolium - Non-native, naturalized.

Chinese Privet: Ligustrum sinense - Non-native, not naturalized.

Ibolium Privet: Ligustrum xiboleum - Non-native, not naturalized.

Common Privet, European Privet, Privet: Ligustrum vulgare - Non-native, naturalized.

Common Lilac, Lilac: Syringa vulgaris - Non-native, not naturalized.