Thomson, Lich. Wiscon. Exs. [Madison (Wisconsin)]
John Walter Thomson, Jr. [1 - 96 [? 108 Uppsala]]
IndExs #165012480

University of Michigan Herbarium
Catalog #: 75231
J. W. Thomson #s. n. 16 May 1947
Arthopyrenia leucochlora Müll.Arg.
United States, Wisconsin, Fond Du Lac, 2 miles north of Rosendale

Uppsala University Exsiccati
Catalog #: L-525740
J.W. Thomson s.n. 16 May 1947
Arthopyrenia leucochlora Müll.Arg.
United States, Wisconsin, Fond Du Lac, 2 miles north of Rosendale, Fond du Lac Co

University of Colorado, Museum of Natural History Herbarium Lichen Collection
Catalog #: COLO-L-0002282
John W. Thomson #s.n. 16 May 1947
Anisomeridium leucochlorum (Müll. Arg.) R.C. Harris
United States, Wisconsin, Fond du Lac, 2 miles north of Rosendale

University of Wisconsin - Madison
Catalog #: WIS-L-0111624
John W. Thomson #s.n. 16 May 1947
Arthopyrenia leucochlora Müll.Arg.
United States, Wisconsin, Fond du Lac, 2 miles north of Rosendale