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

Field Museum of Natural History
Catalog #: C0305590F
6e1d54f0-9e34-4347-80a7-df9e7bcb3d9b
J. W. Thomson #s.n. 09 July 1978
Caloplaca ulmorum (Fink) Fink
U.S.A., Wisconsin, Iowa, 3 miles SW of Barneveld

University of Wisconsin - Madison
Catalog #: WIS-L-0111635
John W. Thomson #s.n. 09 July 1978
Caloplaca ulmorum (Fink) Fink
United States, Wisconsin, Iowa, 3 miles SW of Barneveld

Lichen Herbarium of the Museum of Evolution, Uppsala University
Catalog #: L-160286
John W. Thomson Jr. s.n. 09 July 1978
Caloplaca ulmorum (Fink) Fink
United States, Iowa, 3 miles SW of Barneveld