[Shrubs Found West of the Cascade Mountains of Oregon and Washington]

The Sumac Family West of the Cascade Mountains of Oregon and Washington

Anacardiaceae

Smooth Sumac, Western Sumac: Rhus glabra (Synonym: Rhus glabra var. occidentalis)

Smooth Sumac: Rhus glabra

European Smoke Tree: Cotinus coggygria - Not naturalized.

Aromatic Sumac, Fragrant Sumac, Skunkbush: Rhus aromatica -

Smooth Sumac, Western Sumac: Rhus glabra (Synonym: Rhus glabra var. occidentalis) -

Lemonade Sumac, Skunkbush: Rhus trilobata (Synonym: Rhus trilobata var. trilobata) -

Staghorn Sumac: Rhus typhina - Introduced from eastern North America.

Poison Oak, Pacific Poison-oak, Pacific Poison Oak: Toxicodendron diversilobum (Synonyms: Rhus diversiloba, Rhus radicans ssp. diversilobum) -

Paul Slichter E-mail