Home Forum Resources Shop Journey Log Back to map



intro1234567891011121314151617181920212223


Timeline
Lewis and Clark
SHOWING RECORD: 13 of 23   Subalpine Fir
PreviousNextJournals and Maps
image: Subalpine Fir
Photograph by Pat O'Hara/Corbis
Subalpine Fir

Abies lasiocarpa



First Noted by Expedition
September 15, 1805, on the Lolo Trail, Idaho.
 

Description
The most widespread western true fir, with dense, long-pointed, spirelike crown and rows of horizontal branches reaching nearly to base; shrubby at timberline. Height: 50-100 ft (15-30 m). Diameter: 1-2.5 ft (0.3-0.8 m). Needles: evergreen; flat, dark green, with whitish lines on both surfaces.
 

Habitat
Subalpine zone of high mountains to timberline; forming spruce-fir forest with Engelmann spruce, and with other conifers.
 

Range
Central Yukon and southeastern Alaska southeast to southern New Mexico; at 8,000-12,000 ft (2,438-3,658 m) in south; to sea level in north.
 

Note
The bark is browsed by deer, elk, bighorn sheep, and moose; the leaves are eaten by grouse; and the seeds are consumed by songbirds and mammals.

Species information from enature.com
ADVERTISEMENT

Subscribe Online
Your subscriptions help National Geographic conservation efforts worldwide >>



ADVERTISEMENT
Sitka Mountain Ash
Subalpine Fir
Western Larch
Western Red Cedar
Whitebark Pine
Flathead Indians
Nez Perce Indians
Bitterroot Autumn
Bitterroot Meadow
Bitterroot Mountains
Bitterroot River