Despite its common name, botanically, it is not a true fir  genus Abies.   Thus, its common name is often hyphenated.

Not even a 🌲︎ pine  genus Pinus, spruce  genus Picea, hemlock  genus Tsuga, larch  genus Larix, nor even arborvitae/cedar/cypress/incense cedar/juniper  several genera.   Instead, …

Part of genus Pseudotsuga (meaning "false hemlock"), in 🌲︎ cedar / fir / hemlock / larch / pine / spruce  family Pinaceae in 🌲︎ conifer  order Pinales.

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 coastal areas and moun­tains (P. menziesii var. men­ziesii),
    the 🏔 Rocky Moun­tains     (P. menziesii var. glauca), and
    extending into Texas and 🇲🇽 México (probably in canyons) (P. menziesii 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-Planting List by Seneca Nation of Indians SNI.  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 NRCS PLANTS db Silvics USFS (🏔 coastal mountains, var. menziesii) USFS (🏔 Rocky Mountains, var. glauca) Wikipedia