[The Sumac Family East of the Cascade Mountains of Oregon and Washington]

Smooth Sumac, Western Sumac

Rhus glabra

Synonyms: Rhus borealis, Rhus calophylla, Rhus glabra var. cismontana, Rhus glabra var. laciniata, Rhus glabra var. ocidentalis

Smooth Sumac, Western Sumac: Rhus glabra (Synonyms: Rhus borealis, Rhus calophylla, Rhus glabra var. cismontana, Rhus glabra var. laciniata, Rhus glabra var. ocidentalis)

Smooth sumac as seen along Joseph Creek Road in the Chief Joseph Wildlife Area of southeastern Washington...........May 24, 2010.

Smooth Sumac, Western Sumac: Rhus glabra (Synonyms: Rhus borealis, Rhus calophylla, Rhus glabra var. cismontana, Rhus glabra var. laciniata, Rhus glabra var. ocidentalis)

Smooth sumac as seen along Joseph Creek Road in the Chief Joseph Wildlife Area of southeastern Washington...........May 24, 2010.
Paul Slichter