Douglas-fir

Douglas-fir (Pseudotsuga menziesii) is an evergreen species of pine of the family Pinaceae which is native to western North America.  Capable of attaining heights in excess of 300 feet, and trunk diameters of 8-16 feet, makes this species of pine one of the largest conifers on the planet.  It’s worth noting, that in pocket valleys protected from high winds in coast range British Columbia, Washington State and Oregon there were specimens of Coastal Douglas-fir (Pseudotsuga menziesii var. menziesii) which measured in excess of 400 feet tall, two of which were recorded at 435, and 465 feet tall. If these trees had not been cut down in the late 1800’s, they would have been the tallest trees on Earth.  There are three varieties of Douglas-fir:

  • Coast Douglas-fir                      (Pseudotsuga menziesii var. menziesii)
  • Rocky Mountain Douglas-fir  (Pseudotsuga menziesii var. glauca)
  • Mexican Douglas-fir                 (Pseudotsuga menziesii var. lindleyana)

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