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

USDA United States National Fungus Collections
Catalog #: BPI 1033187
Thomson J.W. Jr. #s.n. 12 July 1946
Peltigera aphthosa (L.) Willd.
United States, Wisconsin, Marinette, 14 mi W of Crivitz, Little Falls of the Thunder River