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

University of Michigan Herbarium
Catalog #: 118859
J. W. Thomson #s. n. 12 July 1946
Peltigera spuria f. sorediata (Schaer.) Grummann
United States, Wisconsin, Marinette, Little Falls of the Thunder River, 14 miles west of Crivitz

Arizona State University Lichen Herbarium
Catalog #: 527839
J.W. Thomson s.n. 12 July 1946
Peltigera didactyla (With.) J. R. Laundon
USA, Wisconsin, Marinette, 22.5 km W of Crivitz, Little Falls of the Thunder River, T32N R18E Sec. 8

University of Wisconsin - Madison
Catalog #: WIS-L-0003090
John W. Thomson #s.n. 12 July 1946
Peltigera didactyla (With.) J. R. Laundon
United States, Wisconsin, Marinette, Little Falls of the Thunder River, 14 mi W of Crivitz.

Uppsala University Exsiccati
Catalog #: L-525601
John W. Thomson Jr s.n. 12 July 1946
Peltigera canina var. spuria f. sorediata
United States, Wisconsin, Marinette, 14 miles west of Crivitz, Marinette Co