Alpine Fir, Balsam Fir, Subalpine Fir, White Balsam Fir
Abies lasiocarpa var. lasiocarpa
Synonyms: Abies blasamea ssp. lasiocarpa, Abies balsamea var. fallax, Abies bifolia, Abies subalpina, Pinus lasiocarpa
Subalpine fir on sagebrush slopes at about 7600' between Bullrun Rock and Table Rock in the Monument Rock Wilderness..............August 3, 2011.
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Subalpine firs as seen along the Lookout Mountain Trail #804 on the north side of Lookout Mountain, Ochoco National Forest.........June 25, 2017.
The photo above shows a close-up of one stem
of subalpine fir as seen along the Island Springs Trail immediately to the east
of Little Mt. Adams on the eastern slopes of Mt. Adams..........August
25, 2005. The needles are clustered on the upper two-thirds of the stem
like a brush.
Dorsal surface of needle with a single row
of stomatal bloom and a central groove, more noticeable here towards its base.
Ventral surface of the needle with two broad
rows of stomatal bloom.
The double rows of stomatal bloom of the lower
needle surface of subalpine fir, as seen at treeline beside Crystal Lake on
the western slopes of Mt. Adams.........September 25, 2005.
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A dorsal view of the needles (left) and ventral view of the needles (right) of a subalpine fir found above 8000' on Strawberry Mountain, Strawberry Mountain Wilderness...........August 3, 2011. Note that the needles have a whitish stomatal bloom on all surfaces of each needle.
Paul Slichter