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Western white pine is a large tree, regularly growing to 30–50 metres (98–164 ft) tall. It is a member of the white pine group, Pinus subgenus Strobus, and like all members of that group, the leaves ('needles') are in fascicles (bundles) of five, [3] with a deciduous sheath. The needles are finely serrated, [3] and 5–13 cm (2–5 in) long.
Pinus ponderosa is a large coniferous pine ( evergreen) tree. The bark helps distinguish it from other species. Mature to overmature individuals have yellow to orange-red bark in broad to very broad plates with black crevices. [13] Younger trees have blackish-brown bark, [13] referred to as "blackjacks" by early loggers.
Depending on subspecies, Pinus contorta grows as an evergreen shrub or tree. The shrub form is krummholz and is approximately 1 to 3 meters (3 to 10 ft) high. The thin and narrow-crowned tree can grow 40 to 50 m (130 to 160 ft) high and achieve up to 2 m (7 ft) in diameter at chest height. [3] The murrayana subspecies is the tallest.
Pseudotsuga taxifolia Britton. Pseudotsuga taxifolia var. viridis ined. [2] The Douglas fir ( Pseudotsuga menziesii) [3] is an evergreen conifer species in the pine family, Pinaceae. It is native to western North America and is also known as Douglas-fir, [4] Douglas spruce, [5] Oregon pine, [6] and Columbian pine. [7]
44.0°N 122.0°W. / 44.0; -122.0. The Eastern Cascades Slopes and Foothills ecoregion is a Level III ecoregion designated by the United States Environmental Protection Agency (EPA) in the U.S. states of Oregon, Washington, and California. In the rain shadow of the Cascade Range, the eastern side of the mountains experiences greater temperature ...
The Big Tree (also known as the Trout Lake Big Tree) was a massive Ponderosa pine tree in an old-growth pine and fir forest in southern Washington state, [1] at the southern base of Mount Adams. The area is managed by the Mount Adams Ranger District of the Gifford Pinchot National Forest. The tree was 202 feet (62 m) tall [2] [3] with a ...
In the United States, the forest cover by state and territory is estimated from tree-attributes using the basic statistics reported by the Forest Inventory and Analysis (FIA) program of the Forest Service. [2] Tree volumes and weights are not directly measured in the field, but computed from other variables that can be measured.
Range map of ponderosa pine. Ponderosa pine forest is the largest western forest type in the United States. [2] Ponderosa pine is the principal species on over 110,000 km 2 (27,000,000 acres) and is present on an additional 55,000 km 2 (14,000,000 acres). Within the western United States, California alone contains the greatest concentrations of ...
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