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Rocky Mountain Douglas-fir is a large tree, typically reaching 35–45 m (115–148 ft) in height and 1 m (3 ft 3 in) in diameter, with exceptional specimens known to 67 m (220 ft) tall, and 2 m (6 ft 7 in) in diameter. It commonly lives more than 500 years and occasionally more than 1,200 years.
Pinus aristata, the Rocky Mountain bristlecone pine or Colorado bristlecone pine is a long-lived species of bristlecone pine tree native to the United States. It is found in the Rocky Mountains in Colorado and northern New Mexico, with an isolated population in the San Francisco Peaks of Arizona.
The Rocky Mountains are important habitat for a great deal of wildlife, such as elk, moose, mule deer, white-tailed deer, pronghorn, mountain goat, bighorn sheep, black bear, grizzly bear, gray wolf, coyote, cougar, bobcat, Canada lynx, and wolverine. [1] North America's largest herds of moose is in the Alberta-British Columbia foothills ...
In contrast with Rocky Mountain ecoregions to the north, lodgepole pine is rather rare, replaced by ponderosa pine and quaking aspen. [4] Rocky Mountain Douglas-fir, Engelmann spruce, subalpine fir, limber pine and Gambel oak can also be found in the mountain forests. [5] Bristlecone pine is the dominant plant at the tree line/krummholz zone. [4]
Juniperus scopulorum, the Rocky Mountain juniper, is a species of juniper native to western North America, from southwest Canada to the Great Plains of the United States and small areas of northern Mexico. They are the most widespread of all the New World junipers. They are relatively small trees, occasionally just a large bush or stunted snag.
It occurs from near sea level along the coast to 1,800 metres (5,900 ft) in the California Mountains. Further inland, coast Douglas-fir is replaced by Rocky Mountain or interior Douglas-fir (P. menziesii var. glauca). Interior Douglas-fir intergrades with coast Douglas-fir in the Cascades of northern Washington and southern British Columbia.
The Rocky Mountain ponderosa pine forest is a plant community at an elevation of 2,000–2,700 metres (6,600–8,900 ft) in the Rocky Mountains. [ 1 ] [ 2 ] : 89 It is an important temperate coniferous forest ecoregion , including some endemic wildlife and grass species that are only found in this ponderosa pine ( Pinus ponderosa ) habitat .
Other trees include Engelmann spruce (Picea engelmanni), Rocky Mountain Douglas-fir (Pseudotsuga menziesii glauca), Ponderosa pine (Pinus ponderosa), subalpine fir (Abies lasiocarpa) and trembling aspen (Populus tremuloides). Whitebark pine (Pinus albicaulis) is an important species at the upper tree line/krummholz zone.