| Coast Douglas-fir | 
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| Old-growth coast Douglas-fir (Pseudotsuga menziesii var. menziesii) forest in the Mount Hood National Forest, Oregon | 
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| Scientific classification | 
| Kingdom: | Plantae | 
 
| Clade: | Tracheophytes | 
 
| Clade: | Gymnospermae | 
 
| Division: | Pinophyta | 
 
| Class: | Pinopsida | 
 
| Order: | Pinales | 
 
| Family: | Pinaceae | 
 
| Genus: | Pseudotsuga | 
| Species: | 
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| Variety: | P. m. var. menziesii | 
| Trinomial name | 
| Pseudotsuga menziesii var. menziesii 
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| Synonyms | 
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 Abies californica  Steud. (1840)
 Abies douglasii  (Sabine ex D.Don) Lindl. (1833)
 Abies douglasii var. fastigiata  (Knight ex Carrière) Gordon & Glend. (1858)
 Abies douglasii var. pendula  (Neumann) J.Nelson (1866)
 Abies douglasii var. stairii  T.Moore & Mast. (1873)
 Abies douglasii var. taxifolia  Lindl. (1838)
 Abies drummondii  Gordon & Glend. (1858)
 Abies mucronata  Raf. (1832)
 Abies mucronata var. palustris  Raf. (1832)
 Abies obliqua  Bong. ex Gordon (1862)
 Abies obliquata  Raf. ex Gordon (1862)
 Abies standishiana  K.Koch (1873)
 Abies taxifolia  Poir. (1804)
 Abies taxifolia  C.Presl (1851)
 Abies taxifolia var. pendula  Neumann (1853)
 Abietia douglasii  (Sabine ex D.Don) A.H.Kent (1900)
 Abietia douglasii var. fastigiata  (Knight ex Carrière) A.H.Kent (1900)
 Abietia douglasii var. pendula  (Neumann) A.H.Kent (1900)
 Picea douglasii  (Sabine ex D.Don) Link (1842)
 Pinus douglasii  Sabine ex D.Don (1832)
 Pinus douglasii var. brevibracteata  Antoine (1841)
 Pinus douglasii var. pendula  (Neumann) Parl. (1868)
 Pinus douglasii var. taxifolia  (Lindl.) Antoine (1841)
 Pinus taxifolia  Lamb. (1803)
 Pseudotsuga douglasii  (Sabine ex D.Don) Carrière (1867)
 Pseudotsuga douglasii lombartsii-pendula  Lombarts (1936)
 Pseudotsuga douglasii var. nana  Zederb. (1907)
 Pseudotsuga douglasii var. pendula  (Neumann) Engelm. (1880)
 Pseudotsuga douglasii var. pyramidalis  Zederb. (1907)
 Pseudotsuga douglasii var. viminalis  Schwer. (1919)
 Pseudotsuga douglasii var. viridis  Schwer. (1907)
 Pseudotsuga menziesii subsp. viridis  (Schwer.) Silba (2011)
 Pseudotsuga menziesii var. viridis  (Schwer.) Franco (1950)
 Pseudotsuga mucronata  (Raf.) Sudw. ex Holz. (1895)
 Pseudotsuga mucronata var. elongata  (Lemmon) Lemmon (1897)
 Pseudotsuga mucronata var. palustris  (Raf.) Lemmon (1897)
 Pseudotsuga taxifolia  (Lindl.) Britton (1889)
 Pseudotsuga taxifolia var. brevibracteata  (Antoine) Schwer. (1922)
 Pseudotsuga taxifolia var. elongata  Lemmon (1893)
 Pseudotsuga taxifolia subsp. mucronata  (Raf.) Schwer. (1922)
 Pseudotsuga taxifolia var. palustris  (Raf.) Lemmon (1897)
 Pseudotsuga taxifolia var. pendula  (Neumann) Sudw. (1897)
 Pseudotsuga taxifolia var. viminalis  (Schwer.) Schwer. (1922)
 Pseudotsuga taxifolia var. viridis  (Schwer.) C.K.Schneid. (1914)
 Pseudotsuga taxifolia subsp. viridis  (Schwer.) Asch. & Graebn. (1913)
 Pseudotsuga vancouverensis  Flous (1934)
 Tsuga douglasii  (Sabine ex D.Don) Carrière (1855)
 Tsuga douglasii var. fastigiata  Knight ex Carrière (1855)
 Tsuga douglasii var. pendula  (Neumann) Beissn. (1884)
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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. In Oregon and Washington its range is continuous from the Cascades crest west to the Pacific Coast Ranges and Pacific Ocean. In California, it is found in the Klamath and California Coast Ranges as far south as the Santa Lucia Mountains with a small stand as far south as the Purisima Hills, Santa Barbara County. In the Sierra Nevada it ranges as far south as the Yosemite region. It occurs from near sea level along the coast to 1,800 metres (5,900 ft) in the California Mountains. Further inland, coast Douglas-fir is replaced by Rocky Mountain or interior Douglas-fir (P. menziesii var. glauca). Interior Douglas-fir intergrades with coast Douglas-fir in the Cascades of northern Washington and southern British Columbia.