DistributionRead full entry
Global Range: Nearly circumpolar. Northern North America, Europe, Asia. Seward Peninsula east through central AK to westcentral Yukon and the Mackenzie, disjunctly eastward to Alberta and south mountains. (B74WEL01AKUS, B80POR01AKUS). Alaska to Labrador south to Oregon, Montana, Iowa, Michigan, and West Virginia, with disjunct populations in Wyoming, New Mexico, and Utah.