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

University of Michigan Herbarium
Catalog #: 78795
J. W. Thomson #s. n. 27 September 1956
Caloplaca microphyllina (Tuck.) Hasse
United States, Wisconsin, Dane, 1 mile west of Cross Plains

Uppsala University Exsiccati
Catalog #: L-525735
J.W. Thomson s.n. 27 September 1956
Caloplaca microphyllina (Tuck.) Hasse
United States, Wisconsin, Dane, 1 mile west of Cross Plains, Dane Co

University of Nebraska State Museum, C.E. Bessey Herbarium
Catalog #: NEB00026278
J.W. Thomson #s.n. 27 September 1956
Caloplaca microphyllina (Tuck.) Hasse
USA, Wisconsin, Dane, 1 mile west of Cross Plains.

University of Colorado, Museum of Natural History Herbarium Lichen Collection
Catalog #: COLO-L-0006348
John W. Thomson #S 24287 27 September 1956
Caloplaca microphyllina (Tuck.) Hasse
United States, Wisconsin, Dane, 1 mile west of Cross Plains

University of Wisconsin - Madison
Catalog #: WIS-L-0111621
John W. Thomson #s.n. 27 September 1956
Caloplaca microphyllina (Tuck.) Hasse
United States, Wisconsin, Dane, 1 mile west of Cross Plains