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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.
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]
The tree takes its English name from David Douglas, the Scottish botanist who first introduced Pseudotsuga menziesii into cultivation at Scone Palace in 1827. [4] Douglas is known for introducing many native American tree species to Europe.
Pseudotsuga menziesii var. lindleyana is native to the Sierra Madre Occidental, Sierra Madre Oriental, and scattered mountains as far south as Oaxaca.The Mexican Government lists Mexican Douglas-fir as "subject to special protection" [4] because its populations are small, isolated and show signs of low fertility and recruitment due to inbreeding depression.
The Red Creek Fir is a large Douglas fir (Pseudotsuga menziesii) tree located in the San Juan Valley of Vancouver Island in British Columbia, Canada. By volume, it is the largest known Douglas fir tree on Earth. [2] [3]
The Doerner Fir, also known as the Brummitt Fir, is a former 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 325.8 feet (99.3 m).
Coast Douglas-fir (Pseudotsuga menziesii var. menziesii) 99.5 326.4 United States Siuslaw National Forest, Oregon [13] 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.