Douglas fir

• Douglas-fir

Named after David Douglas (1799–1834), Scottish botanist and collector.

Douglas fir (countable and uncountable, plural Douglas firs)

1. An evergreen conifer of genus Pseudotsuga; there are four to six species native to western North America and eastern Asia.
2. (uncountable) The wood of the tree.

• (conifer): Douglas tree, Oregon pine

• Douglas fir on Wikipedia.Wikipedia
• Pseudotsuga on Wikispecies.Wikispecies
• Category:Pseudotsuga on Wikimedia Commons.Wikimedia Commons
• Douglas fir at USDA Plants database