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

University of Michigan Herbarium
Catalog #: 103395
J. W. Thomson #s. n. 29 September 1945
Dermatocarpon miniatum (L.) W. Mann
United States, Wisconsin, Columbia, 1.5 miles South of Poynette

Arizona State University Lichen Herbarium
Catalog #: 527782
J.W. Thomson s.n. 29 September 1945
Dermatocarpon miniatum (L.) W. Mann
USA, Wisconsin, Columbia, 2.4 km S of Poynette, T10N R9E Sec. 11

University of Colorado, Museum of Natural History Herbarium Lichen Collection
Catalog #: COLO-L-0015352
John W. Thomson #S 4450 29 September 1945
Dermatocarpon miniatum (L.) W. Mann
United States, Wisconsin, Columbia, 1.5 mi S of Poynette

University of Wisconsin - Madison
Catalog #: WIS-L-0002838
John W. Thomson #s.n. 29 September 1945
Dermatocarpon americanum Vain.
United States, Wisconsin, Columbia, 1.5 mi S of Poynette

Uppsala University Exsiccati
Catalog #: L-525478
John W. Thomson Jr s.n. 29 September 1945
Dermatocarpon miniatum (L.) W. Mann
United States, Wisconsin, Columbia, 1,5 miles south of Poynette, Columbia Co

Duke University Herbarium Lichen Collection
Catalog #: 222164
Thomson Jr., John W. #s.n. 29 September 1945
Dermatocarpon miniatum (L.) W. Mann
United States, Wisconsin, Columbia, 1.5 mi S of Poynette