and is also known as Douglas-fir, Douglas spruce, Oregon pine, and Columbian pine. There are three varieties: coast Douglas-fir (P. menziesii var. menziesii)...

menziesii var. menziesii, commonly known as Coast Douglas-fir, Pacific Douglas-fir, Oregon pine, or Douglas spruce, is an evergreen conifer native to western...

Pseudotsuga menziesii var. glauca, or Rocky Mountain Douglas-fir, is an evergreen conifer native to the interior mountainous regions of western North...

Firs are evergreen coniferous trees belonging to the genus Abies (Latin: [ˈabieːs]) in the family Pinaceae. There are approximately 48–65 extant species...

Abies grandis (grand fir, giant fir, lowland white fir, great silver fir, western white fir, Vancouver fir, or Oregon fir) is a fir native to northwestern...

David Douglas (25 June 1799 – 12 July 1834) was a Scottish botanist, best known as the namesake of the Douglas fir. He worked as a gardener, and explored...

in the genus include Douglas fir, Douglas-fir, Douglas tree, Oregon pine and Bigcone spruce. Pseudotsuga menziesii (Douglas fir proper) is widespread...

Pseudotsuga macrocarpa, commonly called the bigcone spruce or bigcone Douglas-fir, is an evergreen conifer native to the mountains of southern California...

spring, newly budding birch receives carbon from green Douglas fir, in summer, stressed Douglas fir in the forest understory receives carbon from birch in...

including amabilis fir and thinleaf huckleberry. The driest maritime subzone (CWHxm1), with its often-dominant Douglas-fir and frequent grand fir plus occasional...

The Red Creek Fir is a large Douglas fir (Pseudotsuga menziesii) tree located in the San Juan Valley of Vancouver Island in British Columbia, Canada. By...

sawtimber Douglas fir stands (>80–150 years old), 37.0/100 ha in mature Douglas fir stands (>100 years old), and 3.1/100 ha in sapling Douglas fir stands...

The Hermitage Douglas-fir (also known as Ossian's Douglas-fir) was a Douglas-fir tree which stood in The Hermitage pleasure ground, in Dunkeld, Scotland...

Alexander Baretich in the academic year of 1994–1995. It is named after the Douglas fir, featured on the flag. The Doug flag was designed by Portland, Oregon...

wetter zones are defined by Douglas-firs, Cascadian species (such as western hemlock), lodgepole pines/quaking aspens, or firs mixed with spruce. Near the...

Pseudotsuga menziesii var. lindleyana, commonly known as the Mexican Douglas-fir, is a conifer in the genus Pseudotsuga that is endemic to Mexico. DNA...

Durango fir (A. durangensis) and Mexican fir (A. mexicana).[citation needed] Like grand fir, white fir is more shade tolerant than Douglas fir, but less...

trees: western hemlock, Pacific silver fir, subalpine mountain hemlock, alpine, subalpine fir, and grand fir/Douglas fir. The Western Hemlock Ecoregion huddles...

(1992). "Structure and Dynamics of Old-Growth Engelmann Spruce-Subalpine Fir in Colorado". In Merrill R. Kaufmann; William H. Moir; Richard L. Bassett...

The Nooksack Giant was a superlative Coast Douglas-fir (Pseudotsuga menziesii var. menziesii) that grew at Loop's Ranch (now Alpenglow Farm) in Maple...

Douglas fir and aspen forest is a plant community or vegetation type of the mountains of the western United States, dominated by Douglas fir (Pseudotsuga...

sempervirens) Douglas-fir (Pseudotsuga menziesii) Coast Douglas-fir (Pseudotsuga menziesii var. menziesii) Rocky Mountain Douglas-fir (Pseudotsuga menziesii...

This article is a list of diseases of Douglas-fir (Pseudotsuga menziezii). Common Names of Diseases, The American Phytopathological Society...

manzanita slopes, cool and breezy at the summit, and shady on the heavily Douglas-fir-forested north slopes near Alpine Lake. Annual precipitation around Mount...

five species of tree: loblolly pine, sycamore, sweetgum, redwood, and Douglas fir. In 2022, NASA announced it would be reviving the Moon tree program by...

All three of the tallest tree species continue to be Coast redwoods, Douglas fir and Giant mountain ash. The girth of a tree is usually much easier to...

discovered, for instance, that birch and Douglas fir share carbon. Birch trees receive extra carbon from Douglas firs when the birch trees lose their leaves...

solid wood doors are often made from poplar, small-knotted pine, and Douglas fir. New domestic housing in many parts of the world today is commonly made...

The Lake Quinault Douglas fir is an unnamed superlative Douglas fir on Lake Quinault in Olympic National Forest, Washington State. It was designated the...

hemlock, even though much of the area is dominated by Douglas-fir. The reason for this is that Douglas-fir is an early seral species, and reproduces primarily...