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Pseudotsuga / ˌ sj uː d oʊ ˈ t s uː ɡ ə / [1] is a genus of evergreen coniferous trees in the family Pinaceae (subfamily Laricoideae). Common names for species in the genus include Douglas fir , Douglas-fir , Douglas tree , Oregon pine and Bigcone spruce .
The Douglas fir (Pseudotsuga menziesii) [4] is an evergreen conifer species in the pine family, Pinaceae. It is native to western North America and is also known as Douglas-fir , [ 5 ] Douglas spruce , [ 6 ] Oregon pine , [ 7 ] and Columbian pine . [ 8 ]
Pseudotsuga menziesii var. menziesii, commonly known as Coast Douglas-fir, Pacific Douglas-fir, Oregon pine, or Douglas spruce, is an evergreen conifer native to western North America from west-central British Columbia, Canada southward to central California, United States.
The Doerner Fir, also known as the Brummitt Fir, is a record-setting Coast Douglas-fir (Pseudotsuga menziesii var. menziesii) in Oregon, is one of the tallest known trees in the world which is not a redwood (Sequoioideae), at 327 feet (99.7 m). [2]
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]
Fewer surviving trees means fewer pine cones for humans to pick and plant. That's what happened in the Fremont-Winema National Forest during the Barry Point Fire in 2012, Kittler said.
Pinaceae (pine family) Pseudotsuga: Douglas-firs; Pseudotsuga japonica: Japanese Douglas-fir Pinaceae (pine family) Pseudotsuga macrocarpa: bigcone Douglas-fir Pinaceae (pine family) 201 Pseudotsuga menziesii: Douglas-fir; common douglas-fir Pinaceae (pine family) 202 Pseudotsuga menziesii subsp. glabra: blue Douglas-fir Pinaceae (pine family ...
The species of the subfamily Laricoideae are evergreen or deciduous trees that can reach the greater heights in the Pinaceae family (over 100 meters with Pseudotsuga menziesii var. menziesii [2]). The leaves are needle-like [ 1 ] and have primary stomatal bands only on the abaxial surface (below the phloem vessels).