Despite its common name, not a fir  genus Abies.   Not even a 🌲︎ pine  genus Pinus, spruce  genus Picea, hemlock  genus Tsuga, larch  genus Larix nor arborvitae/cedar/cypress/incense cedar/juniper  several genera.

Instead, part of genus Pseudotsuga in 🌲︎ cedar / fir / hemlock / larch / pine / spruce  family Pinaceae.

Map of distribution data, select to view fullscreen. For details, see button 'Map' below or to right.
Native to western North America:  🇨🇦 Canada and 🇺🇸 USA in the coastal areas and mountains (var. menziesii), the Rocky Mountains (var. glauca), and 🇲🇽 Mexico (var. lindleyana).

🌎︎ Map by county (🇺🇸 USA-48), 🌎︎ map (scroll down), 🌎︎ map (North America, Central America).  Adobe Acrobat Reader file

Invasive > Hawai'i

🌲︎ State tree of Oregon.

Uses by native peoples
(Ethnobotany database)
  On No-Plant List by Seneca Nation of Indians.  Adobe Acrobat Reader file (pages 59 and 64)

Pseudotsuga hosts caterpillars of 61 species
of butterflies and moths, in some areas.

Learn more about Douglas fir Pseudotsuga menziesii

🔍︎ 🔍︎ images Discover Life Encyclopedia of Life Gymnosperm database Michigan Flora Missouri Botanical Garden Flora of North America USDA PLANTS db USFS (🗻︎ coastal mountains, var. menziesii) USFS (🗻︎ Rocky Mountains, var. glauca) Wikipedia