Thomson, Lich. Wiscon. Exs.
J.W. Thomson [1 - 96]

USDA United States National Fungus Collections
Catalog #: BPI 1033218
Thomson J.W. Jr. #s.n. 20 June 1951
Parmelia rudecta Ach.
United States, Wisconsin, Dane, 4 mi SW of Verona