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Arceuthobium monticola
Arceuthobium monticola is a species of dwarf mistletoe known as western white pine dwarf mistletoe. It is a small shrub that grows on and parasitizes a small number of conifer species, primarily western white pines (Pinus monticola). It is endemic to the Klamath Mountains of northern California and southern Oregon, which has been identified as a major center of dwarf mistletoe biodiversity. This species impacts the ecology of coniferous forests significantly, negatively affecting the health of host trees but also creating valuable microhabitats for wildlife by inducing witch's brooms.
A. monticola is one of eleven dwarf mistletoe species occurring in the Klamath Mountains, which is a center of diversity for the genus. Moreover, A. monticola is one of three dwarf mistletoe taxa endemic to the region, the other two being Arceuthobium siskiyouense and Arceuthobium abietinum subsp. wiensii. The range of A. monticola is limited to the extreme southwest of Oregon in Curry, Coos, and Josephine counties and the extreme northwest of California in Del Norte and Siskiyou counties. It grows in coniferous forests where Pinus monticola is abundant, at elevations between 700 and 1900 meters.
Fir dwarf mistletoe · American dwarf mistletoe · Apache dwarf mistletoe · Azores Dwarf Mistletoe · Southwestern white pine dwarf mistletoe · Sugar pine dwarf mistletoe · Western dwarf mistletoe · Limber pine dwarf mistletoe · Pinyon dwarf mistletoe · Douglas-fir dwarf mistletoe · Huachuca Mountain dwarf mistletoe · Larch dwarf mistletoe
Text excerpted from the Wikipedia article Arceuthobium monticola by its contributors, under CC BY-SA 4.0; the excerpts are shared under the same licence.
Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.
