The Douglas fir is an evergreen conifer species in the pine family, Pinaceae. It is native to western North America and is also known as Douglas-fir, Douglas spruce, Oregon pine, and Columbian pine. There are three varieties: coast Douglas-fir, Rocky Mountain Douglas-fir and Mexican Douglas fir.Despite its common names, it is not a true fir, spruce, or pine. It is also not a hemlock; the genus name Pseudotsuga means "false hemlock".
The massive mega-genome of Douglas fir was sequenced in 2017 by the large PineRefSeq consortium, revealing a specialized photosynthetic apparatus in the light-harvesting complex genes.
Wikipedia https://en.wikipedia.org/wiki/Douglas_fir
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