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

University of Michigan Herbarium
Catalog #: 120963
J. W. Thomson #s. n. 07 March 1946
Physcia stellaris (L.) Nyl.
United States, Wisconsin, Adams, 1 mile east of White Creek

Arizona State University Lichen Herbarium
Catalog #: 527527
J.W. Thomson s.n. 07 March 1946
Physcia stellaris (L.) Nyl.
USA, Wisconsin, Adams, 1.6 km E of White Creek

University of Colorado, Museum of Natural History Herbarium Lichen Collection
Catalog #: COLO-L-0034676
John W. Thomson #S 4523 04 March 1946
Physcia stellaris (L.) Nyl.
United States, Wisconsin, Adams, 1 mile east of White Creek

University of Wisconsin - Madison
Catalog #: WIS-L-0004484
John W. Thomson #s.n. 07 March 1946
Physcia stellaris (L.) Nyl.
United States, Wisconsin, Adams, 1 mile east of White Creek

Uppsala University Exsiccati
Catalog #: L-525474
John W. Thomson Jr s.n. 07 March 1946
Physcia stellaris (L.) Nyl.
United States, Wisconsin, Adams, 1 mile east of White Creek, Adams Co

University Herbarium, University of California, Berkeley
Catalog #: UC1899257
John W. Thomson, Jr. #s.n. 07 March 1946
Physcia aipolia (Ehrh. ex Humb.) Furnr.
United States, Wisconsin, Adams, 1 mile east of White Creek.

Duke University Herbarium Lichen Collection
Catalog #: 0303102
Thomson Jr., John W. #s.n. 07 March 1946
Physcia stellaris (L.) Nyl.
United States, Wisconsin, Adams, 1 mi E of White Creek