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

University of Michigan Herbarium
Catalog #: 117280
J. W. Thomson #s. n. 09 August 1946
Peltigera aphthosa var. variolosa A. Massal.
United States, Wisconsin, Douglas, Brule River valley

Arizona State University Lichen Herbarium
Catalog #: 527658
J.W. Thomson s.n. 09 August 1946
Peltigera aphthosa var. variolosa A. Massal.
USA, Wisconsin, Douglas, Brule River valley, T45N R11W S3

University of Wisconsin - Madison
Catalog #: WIS-L-0003209
John W. Thomson #s.n. 09 August 1946
Peltigera leucophlebia (Nyl.) Gyelnik
United States, Wisconsin, Douglas, Brule River Valley

Uppsala University Exsiccati
Catalog #: L-525634
John W. Thomson Jr s.n. 09 August 1946
Peltigera aphthosa var. variolosa A. Massal.
United States, Wisconsin, Douglas, Brule River valley