Habitat
L. vulpina prefers to grow in high elevations, just above the tree line in the Pacific Northest. It is often abundant on exposed branches that have lost their bark. In old, moist forests it is typically found in drier areas. This species has an intermediate air pollution sensitivity. In the Rocky Mountains, letharia species are found in ponderosa forests at the prairie-forest boundary at relatively low elevations though medium and high elevation douglas fir and lodgepole pine forests.
Read more about this topic: Letharia Vulpina
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