Douglas fir Douglas-fir forest is the primary habitat of the red tree vole ("Arborimus longicaudus") and the spotted owl ("Strix occidentalis"). Home range requirements for breeding pairs of spotted owls are at least 400 ha () of old growth. Red tree voles may also be found in immature forests if Douglas-fir is a significant component. The red vole nests almost exclusively in the foliage of the trees, typically above the ground, and its diet consists chiefly of Douglas-fir needles. A parasitic plant sometimes utilizing "P. menziesii" is Douglas-fir dwarf mistletoe ("Arceuthobium douglasii"). The leaves are also used by the woolly conifer aphid
Douglas Fraser 23, 2008, of complications from emphysema at Providence Hospital in Southfield, Michigan. His life and professional career is documented in historical materials housed within the Walter P. Reuther Library at Wayne State University. His time as UAW president and vice-president and as university professor are chronicled in individual collections. The archival materials include personal correspondence, administrative memoranda, photographs, and other record types. Researchers are encouraged to find the collections at the Walter P. Reuther Library website. Douglas Fraser Douglas Andrew Fraser (December 18, 1916 – February 23, 2008) was a Scottish-American union leader. He was president of the United Auto