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
General Noble (tree) Sequoia ("Sequoiadendron giganteum"), the General Noble Tree was perhaps among the top 30 largest Giant Sequoias by volume before it was cut down. The remains of the General Noble Tree are known as the Chicago Stump, which can be seen in the Converse Basin Grove. General Noble (tree) The General Noble Tree was a Giant Sequoia tree formerly within the Converse Basin Grove, with its site located in Giant Sequoia National Monument of the Sierra Nevada, in Fresno County, California. The General Noble Tree was cut down in 1892 to create an exhibit for the 1893 World's Columbian Exposition held