Douglas-firs
Pseudotsuga
Pseudotsuga /ˌsjuːdoʊˈtsuːɡə/ is a genus of evergreen coniferous trees in the family Pinaceae. Common names include Douglas fir, Douglas-fir, Douglas tree, and Oregon pine. Pseudotsuga menziesii is widespread in western North America and is an important source of timber. The number of species has long been debated, but two in western North America and two to four in eastern Asia are commonly acknowledged. Nineteenth-century botanists had problems in classifying Douglas-firs, due to the species' similarity to...
5 branches of this genus, most-observed first
Douglas-fir
speciesPseudotsuga menziesii
Bigcone Douglas-fir
speciesPseudotsuga macrocarpa
Taiwan Douglas-fir
speciesPseudotsuga wilsoniana
Chinese Douglas-fir
speciesPseudotsuga sinensis
Japanese Douglas-fir
speciesPseudotsuga japonica
Where it lives
Recorded sightings
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geo-referenced records in GBIF, from museums, herbaria and field observers.
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In the stacks
Searching the stacks…
Every page naming Pseudotsuga in the Biodiversity Heritage Library →
This page is assembled live from iNaturalist, GBIF, Wikipedia, the Source Library and the Internet Archive. It is not yet part of the hand-edited codex. iNaturalist taxon 48257.