The Sumac of the Cascade Mountains of Oregon and Washington
The Genus Rhus
The attractive scarlet fall foliage of smooth sumac as seen along the east bank of the Deschutes River about one mile upstream from its mouth......November 3, 2013.
Smooth Sumac, Western Sumac: Rhus glabra (Synonym: Rhus glabra var. occidentalis) - Found into the eastern foothills of the Cascades.