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

University of Michigan Herbarium
Catalog #: 114708
J. W. Thomson #s. n. 07 October 1945
Opegrapha lichenoides Pers.
United States, Wisconsin, Dane, Springfield Corners

Arizona State University Lichen Herbarium
Catalog #: 527854
J.W. Thomson s.n. 07 October 1946
Opegrapha varia Pers.
USA, Wisconsin, Dane, Springfield Corners

University of Colorado, Museum of Natural History Herbarium Lichen Collection
Catalog #: COLO-L-0028943
John W. Thomson #S 4479 07 October 1945
Alyxoria varia (Pers.) Ertz & Tehler
United States, Wisconsin, Dane, Springfield Corners

University of Wisconsin - Madison
Catalog #: WIS-L-0111590
John W. Thomson #s.n. 07 October 1945
Alyxoria varia (Pers.) Ertz & Tehler
United States, Wisconsin, Dane, Springfield Corners

Uppsala University Exsiccati
Catalog #: L-525480
John W. Thomson, Jr s.n. 07 October 1945
Opegrapha varia Pers.
United States, Wisconsin, Dane, Springfield Corners, Dane Co

Duke University Herbarium Lichen Collection
Catalog #: 299948
Thomson Jr., John W. #s.n. 07 October 1945
Alyxoria varia (Pers.) Ertz & Tehler
United States, Wisconsin, Dane, Springfield Corners