Abies concolor
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Abies concolor, the white fir, concolor fir, or Colorado fir, is a coniferous tree in the pine family Pinaceae. This tree is native to the mountains of western North America, including the Sierra Neva
Abies concolor Yosemite NP
A. concolor subsp. lowiana foliage upperside
A. concolor subsp. lowiana foliage underside
A young sapling of subsp. lowiana on Mount Whitney
Arceuthobium abietinum
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Arceuthobium abietinum, commonly known as fir dwarf mistletoe, is a species of dwarf mistletoe. It is native to western North America from Washington to New Mexico to northern Mexico, where it lives i
Abies concolor
…triggers them to open while the thick bark protects the inner cambium from fire damage. This tree is host to fir mistletoe (Phoradendron pauciflorum) and fir dwarf mistletoe (Arceuthobium abietinum), two species of parasitic plant. It is attacked by many types of insects, such as the fir engraver (Scolytus ventralis). Mature…
Arceuthobium abietinum 3
male flowers in full bloom
female flowers at the tips of the fruit
larva of a hairstreak butterfly feeding on Arceuthobium abietinum var. grandae shoots