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

University of Michigan Herbarium
Catalog #: 107403
J. W. Thomson #s. n. 23 May 1946
Lecanora chlarona (Ach.) Nyl.
United States, Wisconsin, Ashland, 7 miles west of Glidden

Arizona State University Lichen Herbarium
Catalog #: 527660
J.W. Thomson s.n. 23 May 1946
Lecanora subfusca Müll.Arg.
USA, Wisconsin, Ashland, 11.3 km W of Glidden, T42N R3W Sec. 2

University of Colorado, Museum of Natural History Herbarium Lichen Collection
Catalog #: COLO-L-0021940
John W. Thomson #S 4460 23 May 1946
Lecanora pulicaris (Pers.) Ach.
United States, Wisconsin, Ashland, 7 mi W of Glidden

University of Wisconsin - Madison
Catalog #: WIS-L-0111597
John W. Thomson #s.n. 23 May 1946
Lecanora subfusca Müll.Arg.
United States, Wisconsin, Ashland, 7 mi W of Glidden

Uppsala University Exsiccati
Catalog #: L-525555
John W. Thomson Jr s.n. 23 May 1946
Lecanora subfusca Müll.Arg.
United States, Wisconsin, Ashland, 7 miles west of Glidden, Ashland Co