Douglas fir

The Douglas fir (Pseudotsuga menziesii) is an evergreen conifer species in the pine family, Pinaceae. It is native to western North America and is also known as Douglas-fir, Douglas spruce, Oregon pine, and Columbian pine. There are three varieties: coast Douglas-fir (P. menziesii var. menziesii), Rocky Mountain Douglas-fir (P. menziesii var. glauca) and Mexican Douglas-fir (P. menziesii var. lindleyana).

"Douglas-fir" redirects here. For the genus and the other species with common names containing "Douglas fir" or "Douglas-fir", see Pseudotsuga. For the ship, see Oregon Pine (schooner).

Douglas fir
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Gymnospermae
Division: Pinophyta
Class: Pinopsida
Order: Pinales
Family: Pinaceae
Genus: Pseudotsuga
Species:
P. menziesii
Binomial name
Pseudotsuga menziesii
(Mirbel) Franco
  Green: Coast Douglas-fir (Pseudotsuga menziesii var. menziesii)
  Blue: Rocky Mountain Douglas-fir (Pseudotsuga menziesii var. glauca)
Synonyms
  • Abies menziesii Mirb.
  • Abies mucronata Raf.
  • Abies taxifolia Poir.
  • Pinus douglasii Sabine ex D. Don
  • Pinus taxifolia Lamb.
  • Pseudotsuga douglasii (Sabine ex D. Don) Carrière
  • Pseudotsuga mucronata (Raf.) Sudw.
  • Pseudotsuga taxifolia Britton
  • Pseudotsuga taxifolia var. viridis ined.

Despite its common names, it is not a true fir (genus Abies), spruce (genus Picea), or pine (genus Pinus). It is also not a hemlock; the genus name Pseudotsuga means "false hemlock".

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