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Pinus ponderosa, commonly known as the ponderosa pine, [3] bull pine, blackjack pine, [4] western yellow-pine, [5] or filipinus pine, [6] is a very large pine tree species of variable habitat native to mountainous regions of western North America. It is the most widely distributed pine species in North America.
Ponderosa pine forest is a plant association and plant community dominated by ponderosa pine and found in western North America. It is found from the British Columbia to Durango, Mexico . [ 1 ] In the south and east, ponderosa pine forest is the climax forest , while in the more northern part of its range, it can transition to Douglas-fir or ...
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A group of ponderosa pine trees. Ponderosa pine forests occurs on the Colorado Plateau [4] and in the Sierra Nevada [2] of the Western United States, as well as other parts of North America. One way to distinguish between them is by their cones. Each has barbs at the end of the scales. The sharp Jeffrey pine cone scale barbs point inward, so ...
The Willamette Valley ponderosa variant only grows on the valley floor, unlike the Douglas-fir, which grows on hillsides, and the wood is softer and easier to mill than the native hardwoods. [1] Because of this, when early settlers used wood from the trees to build homes and cleared land for agriculture, the population was "decimated". [ 1 ]
While the ponderosa pine is by far the most common tree species in the Coconino National Forest, vegetation type varies depending on the elevation of a certain area. At the lowest elevations, in the extreme southwestern portion of the forest, actual trees are scarce and the landscape is dominated by various small shrubs and sagebrushes .
Page information; Cite this page; ... Pinus ponderosa var. willamettensis - Willamette Valley Ponderosa Pine; ... (PDF) on 2008-02-21
The La Pine Basin is underlain by thick lacustrine deposits that exhibit high groundwater levels during the spring snowmelt. It supports lodgepole pine stands, as well as wet, forested wetlands of lodgepole pine, willow, and aspen. Scattered ponderosa pine shrub forest is found on the driest soils.