PROPOSED LIST OF RARE AND/OR ENDANGERED LICHENS IN MICHIGAN

摘要

Thirty-four species of macrolichens are considered to be rare and/or endangered in the state of Michigan, with nine being critically endangered. Twenty-five have been recorded from only the Upper Peninsula, seven from only the Lower Peninsula, and two from both peninsulas. Thirteen have been recorded from only Keweenaw County (Isle Royale National Park), but these are considered to be less threatened than the species recorded from only individual or scattered localities elsewhere in the state.