Thomson: Lich. Wiscon. Exs.
John Walter Thomson, Jr. [1 - 96 [? 108 Uppsala]]

University of Michigan Herbarium
Catalog #: 75867
J. W. Thomson #s. n. 24 September 1949
Bacidia sphaeroides (Dickson) Zahlbr.
United States, Wisconsin, Green, 1 mile south of New Glarus

Uppsala University Exsiccati
Catalog #: L-525721
John W. Thomson s.n. 24 September 1949
Lecania naegelii (Hepp) Diederich & v. d. Boom
United States, Wisconsin, Green, 1 mile south of New Glarus, Green Co

University of Wisconsin - Madison
Catalog #: WIS-L-0000414
John W. Thomson #s.n. 24 September 1949
Lecania naegelii (Hepp) Diederich & v. d. Boom
United States, Wisconsin, Green, 1 mile south of New Glarus