Thomson, Lich. Wiscon. Exs.J.W. Thomson [1 - 96]
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USDA United States National Fungus Collections
Catalog #: BPI 1033228
Thomson J.W. Jr. #s.n. 16 May 1947
Arthopyrenia leucochlora Müll. Arg.
United States, Wisconsin, Fond Du Lac, 2 miles north of Rosendale
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