Thomson, Lich. Wiscon. Exs.J.W. Thomson [1 - 96]
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USDA United States National Fungus Collections
Catalog #: BPI 1033207
Thomson J.W. Jr. #s.n. 02 May 1948
Lecanora muralis (Schreb.) Rabenh.
United States, Wisconsin, Dane, Dunkirk Township
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