Pseudotsuga menziesii var. glauca, or Rocky Mountain Douglas-fir, is an evergreen conifer native to the interior mountainous regions of western North America, from central British Columbia and southwe
Pseudotsuga glauca forest
Pseudotsuga menziesii subsp. glauca
Young seed cone
Foliage
Pseudotsuga menziesii var. menziesii, commonly known as coast Douglas-fir, Pacific Douglas-fir, Oregon pine, or Douglas spruce, is a very tall evergreen conifer, being a variety of P. menziesii.
Pseudotsuga menziesii var. glauca
…altitude in the north of the range, up to 3,000 m, rarely 3,200 m, in the south. Further west towards the Pacific coast, it is replaced by the related coast Douglas-fir (Pseudotsuga menziesii var. menziesii), and to the south, it is replaced by Mexican Douglas-fir in high mountains as far south as Oaxaca. Some botanists…
Douglas Firs Mount Hood National Forest
The cone, from a tree grown from seed collected by David Douglas. Note the thin 3-fingered bracts.
A young coast Douglas-fir stand in Anacortes Community Forest Lands, Washington
Coast Douglas-fir near Vancouver