Search results
Results From The WOW.Com Content Network
Douglas-fir is one of the world's best timber-producing species and yields more timber than any other species in North America, making the forestlands of western Oregon, Washington, and British Columbia the most productive on the continent. In 2011, Douglas-fir represented 34.2% of US lumber exports, to a total of 1.053 billion board-feet.
Oregon and Washington are among the most important U.S. states in the production of Christmas trees. 92% of the crop produced in this region consists of Douglas fir and Noble fir species. [7] Other species produced in this region include grand fir, balsam fir, Nordmann fir, Colorado blue spruce and Norway spruce trees.
Coast Douglas-fir seed cone, from a tree grown from seed collected by David Douglas Pseudotsuga menziesii var. menziesii has attained heights of 393 feet (120* m). That was the estimated height of the tallest conifer ever well-documented, the Mineral Tree ( Mineral, Washington ), measured in 1924 by Dr. Richard E. McArdle, [ 7 ] former chief of ...
Fraser fir (cone and foliage pictured) is a popular species of Christmas tree in both the United States and Great Britain. The best-selling species in the North American market are Scots pine, Douglas Fir, Noble Fir, balsam fir, Fraser fir, Virginia pine, and eastern white pine, although other types of trees are also grown and sold.
Woodpeckers commonly feed in the bark of Rocky Mountain Douglas-fir. Blue grouse forage on needles and buds in winter; they and other birds rely heavily on Rocky Mountain Douglas-fir communities for cover. The Douglas-fir is vulnerable to infestation by a woolly aphid, Adelges cooleyi that also infects the Engelmann spruce to complete its ...
Doerner Fir: Coast Douglas-fir (Pseudotsuga menziesii var. menziesii) 99.7 327 United States Brummit Creek, Oregon [13] [14] Menara: Yellow meranti (Shorea faguetiana) 97.58 320.1 Malaysia Danum Valley Conservation Area, Sabah The original quoted figure of 100.8m was from the top leaves to the bottom of the buttresses on the low side of ground.
Pseudotsuga menziesii var. lindleyana, commonly known as the Mexican Douglas-fir, is a conifer in the genus Pseudotsuga that is endemic to Mexico. [1] DNA sequence [2] and morphological [3] evidence suggests it is most closely related to Rocky Mountain Douglas-fir (P. menziesii var. glauca) and might best be treated as an additional variety within P. menziesii.
Big Lonely Doug is a large Coast Douglas-fir (Pseudotsuga menziesii) tree located in the Gordon River Valley, 10km north of Port Renfrew on Vancouver Island, British Columbia, Canada. It is the second largest Douglas-fir tree in Canada after the Red Creek Fir in nearby San Juan Valley .