American Rosette Lichen Physcia americana G. Merr.  Synonyms: Powdery Rosette Lichen.

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GAALWAFR CLMO HO BA HACEPGAACVCH SMKEQA CN TADOWISO WO 
American Rosette Lichen in Charles Co., Maryland (3/22/2015). Photo by Jim Stasz. (MBP list)


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