Gray's Mountain Ash, Sitka Mountain-ash
Sorbus sitchensis var. grayi
Synonyms: Pyrus sambucifolia var. pumila, Sorbus occidentalis, Sorbus pumilus, Sorbus sambucifolia var. pumila, Sorbus sitchensis ssp. grayi
- 
The photo at left shows the inflorescence of
sitka mountain-ash as seen at about 5900' along the Highline Trail #114 at the
branch of the Muddy Fork that is found at the eastern edge of Foggy Flats on
the northern slopes of Mt. Adams.........July 11, 2005. The photo at right shows the fall foliage and ripening fruits of sitka mountain-ash as seen at about 6600' along the Climber's Trail on the south rim of Hellroaring Canyon, Yakama Nation lands at Bird Creek Meadows, Mount Adams......September 14, 2022.
-- 
Close-ups of a flower and pinnately compound leaf of sitka mountain-ash as seen along the climber's trail from the Bird Creek Meadows trailhead to the Mazama Glacier moraine on Mt. Adams.........July 19, 2009.
Berries and leaves of sitka mountain-ash as seen along the climber's trail between the Bird Creek Meadows parking area and the Hellroaring Overlook, Bird Creek Meadows, Mount Adams..........July 20, 2015.
The photo above shows a close-up of the pinnately
compound leaf of sitka mountain-ash as seen at about 5900' along the Highline
Trail #114 at the branch of the Muddy Fork that is found at the eastern edge
of Foggy Flats on the northern slopes of Mt. Adams........July 11, 2005.
The photo above shows a close-up of a flower
of sitka mountain-ash as seen at about 5900' along the Highline Trail #114 at
the branch of the Muddy Fork that is found at the eastern edge of Foggy Flats
on the northern slopes of Mt. Adams..........July 11, 2005.
- 
Ripening fruits of sitka mountain-ash observed near the Pacific Crest Trail and upper Lewis River, Mount Adams Wilderness......August 28, 2021.
A close-up of the pinnately compound leaf of Sitka mountain-ash
as seen along a stream on slopes about one mile above Horseshoe Meadows at the
southwest corner of Mt. Adams.........July 27, 2006. Note that the
margins are only toothed from midleaf to the tip.
Paul Slichter