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

University of Michigan Herbarium
Catalog #: 117782
J. W. Thomson #s. n. 20 June 1946
Peltigera evansiana Gyelnik
United States, Wisconsin, Marathon, Mosinee Hills, Rothschild

Arizona State University Lichen Herbarium
Catalog #: 527667
J.W. Thomson s.n. 20 June 1946
Peltigera evansiana Gyelnik
USA, Wisconsin, Marathon, Mosinee Hills, Rothchild

University of Colorado, Museum of Natural History Herbarium Lichen Collection
Catalog #: COLO-L-0031410
John W. Thomson #S 4503 20 June 1946
Peltigera evansiana Gyelnik
United States, Wisconsin, Marathon, Mosinee Hills, Rothchild

University of Wisconsin - Madison
Catalog #: WIS-L-0003148
John W. Thomson #s.n. 20 June 1946
Peltigera evansiana Gyelnik
United States, Wisconsin, Marathon, Mosinee Hills.

Uppsala University Exsiccati
Catalog #: L-525558
John W. Thomson Jr s.n. 20 June 1946
Peltigera evansiana Gyelnik
United States, Wisconsin, Marathon, Mosinee Hills, Rothchild, Marathon Co

Duke University Herbarium Lichen Collection
Catalog #: 185321
beb0b1af-fa34-11e2-a92b-005056000560
Thomson, Jr., John, Walter #s.n. 20 June 1946
Peltigera evansiana Gyelnik
United States, Wisconsin, Marathon Co., Rothschild, Mosinee Hills