DistributionMost records are from eastern North America but there are also isolated probable location records from South America , eastern Asia . In eastern North America it is found from Newfoundland to northern Georgia and west to eastern Minnesota. An outlying population is found in the Ouachita Mountains.
HabitatIn eastern North America, ''L. quercizans'' is found primarily on the bark of deciduous trees, usually maples . In the southern parts of its range ''A. saccharum'' is preferred. Further north, where there is less ''A. saccharum'', ''A. rubrum'' is favoured.
UsesThe lichen is used for food and medicine by the Menomini people of Wisconsin.
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