
Distribution
Cladonia mitis occurs in Alaska, Canada, and the northern fringe of the United States [18,83,115,125]. In western North America, C. mitis occurs as far south as the southern Willamette Valley [61,84], the northern Cascade Range [38], Idaho, western Montana, and Wyoming [83,84]. Cladonia mitis is uncommon in the Pacific Northwest and rare in the Southwest [84]. In eastern North America, C. mitis occurs in the northern Great Lakes region [64,131,141], New Jersey [115], southeastern New York [37], Labrador [49], Newfoundland [1], Quebec [48,89], and the boreal and arctic vegetation zones in Ontario [3].References:
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http://www.inaturalist.org/taxa/126646-Cladonia-mitis