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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.
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 ...
Articles related to the Douglas fir (Pseudotsuga menziesii) and its varieties. It is an evergreen conifer species in the pine family, Pinaceae.
Pterotus obscuripennis, commonly known as the Douglas fir glowworm, [1] is a species of firefly in the beetle family Lampyridae. It is found along the western coast of North America, from Washington to California. [2] [3] Adult males are smaller (9.5-12 mm), alate, capable of fight, have an elaborate antenna morphology, and are totally non ...
Pseudotsuga menziesii var. glauca, or Rocky Mountain Douglas-fir, is an evergreen conifer native to the interior mountainous regions of western North America, from central British Columbia and southwest Alberta in Canada southward through the United States to the far north of Mexico. [2]
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 .
The Queets Fir is a superlative Douglas fir about 2.5 miles from the Queets River Trail trailhead, [1] [2] on Coal Creek, a tributary of Queets River in the Olympic National Park in Washington State. It was known for fifty years, beginning in 1945, as the largest known fir by volume, and is still largest known in diameter. [ 3 ]
Original – Rocky Mountain Douglas-fir, young female cone Reason Was featured on Commons two weeks ago. Illustrates subject well. Articles in which this image appears Douglas fir, Pseudotsuga menziesii var. glauca, Conifer cone FP category for this image Wikipedia:Featured pictures/Plants/Flowers Creator Ivar Leidus