Thomson, Lich. Wiscon. Exs.J.W. Thomson [1 - 96]
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USDA United States National Fungus Collections
Catalog #: BPI 1033210
Thomson J.W. Jr. #s.n. 29 September 1946
Physcia elaeina (Sm.) A.L. Sm.
United States, Wisconsin, Iowa, Avoca
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