Lobaria oregana is endemic to northwestern North America.
Global populations of the Lobaria oregana are assumed to be stable due to the abundance of documented occurrences throughout the species range.
Population Trend: Stable
Lobaria oregana is known from mesic temperate forests in northwestern North America from Northern California north to Alaska. Populations extend from the coast as far east as the west slope of the Rocky Mountains in Idaho and British Columbia.
Country | Trend | Redlisted |
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