[Mountain-ash: The Genus Sorbus in the Cascade Mountains of Oregon and Washington]

Cascade Mountain-ash, Rocky Mountain Mountain-ash

Sorbus scopulina var. scopulina

Cascade Mountain-ash blooming along the trail to Lookout Mountain, Badger Creek Wilderness....July 3, 2024.

Close-ups of the fruits of cascade mountain-ash as seen along the Boundary Trail #1, Mount Saint Helens National Monument.........August 5, 2015. The upper left photo was taken about one-quarter mile east of Norway Pass while the other 4 photos were taken at the junction of the Lakes Trail #211.

The photo at left shows cascade mountain-ash as seen at Snowking SnoPark along forest road #82.........May 28, 2005. Viewed from a distance, this shrub may be mistaken for blue elderberry.

The photo at right shows a close-up side-view of the corymbose inflorescence of cascade mountain-ash as seen at Snowking SnoPark along forest road #82.........May 28, 2005.

The photo at left shows a close-up of the corymbose inflorescence (as seen from directly overhead) of cascade mountain-ash as seen at Snowking SnoPark along forest road #82..........May 28, 2005. The photo at right shows a close-up of the pinnately compound leaf of cascade mountain-ash as seen at Snowking SnoPark along forest road #82..........May 28, 2005. Note the acute tips to the blades and leaflet margins which are serrate for much of their length.

The photo above shows a close-up of the fruits of Cascade mountain-ash as seen at SnowKing SnoPark along Road #82 on the southeastern approach to Mt. Adams..........August 25, 2005. The fruits are glossy and range from orange to scarlet red.

Paul Slichter