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

University of Michigan Herbarium
Catalog #: 120719
J. W. Thomson #s. n. 21 June 1946
Physcia millegrana Degel.
United States, Wisconsin, Marathon, Granite Heights

Arizona State University Lichen Herbarium
Catalog #: 527861
J.W. Thomson s.n. 21 June 1946
Physcia millegrana Degel.
USA, Wisconsin, Marathon, Granite Heights, T30N R7E Sec. 25

University of Colorado, Museum of Natural History Herbarium Lichen Collection
Catalog #: COLO-L-0034484
John W. Thomson #S 4518 21 June 1946
Physcia millegrana Degel.
United States, Wisconsin, Marathon, Granite Heights

University of Wisconsin - Madison
Catalog #: WIS-L-0004124
John W. Thomson #s.n. 21 June 1946
Physcia millegrana Degel.
United States, Wisconsin, Marathon, Granite Heights

Uppsala University Exsiccati
Catalog #: L-525543
John W. Thomson, Jr s.n. 21 June 1946
Physcia millegrana Degel.
United States, Wisconsin, Marathon, Granite Heights, Marathon Co

Duke University Herbarium Lichen Collection
Catalog #: 158047
c1a0e547-fa34-11e2-a92b-005056000560
Thomson, Jr., John, Walter #s.n. 21 June 1946
Physcia millegrana Degel.
United States, Wisconsin, Marathon Co., Granite Heights