[Mountain Ash: The Genus Sorbus in the Cascade Mountains of Oregon and Washington]
Cascade Mountain-ash
Sorbus scopulina var. cascadensis
Synonym: Sorbus cascadensis
Cascade mt.-ash as seen along the Boundary Trail #1 about one-quarter mile uphill to the north of the Bear Meadow Interpretive Site, Gifford Pinchot National Forest.........June 21, 2015.
Paul Slichter