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

University Herbarium, University of California, Berkeley
Catalog #: UC1269818
J. W. Thomason #89 23 August 1951
Graphis scripta (L.) Ach.
United States, Wisconsin, Sawyer, Flambeau River State Forest.

University of Michigan Herbarium
Catalog #: 104875
J. W. Thomson #s. n. 23 August 1951
Graphis scripta (L.) Ach.
United States, Wisconsin, Sawyer, Flambeau River

Uppsala University Exsiccati
Catalog #: L-525733
J.W. Thomson & Mason E. Hale, Jr s.n. 23 August 1951
Graphis scripta (L.) Ach.
United States, Wisconsin, Sawyer, Flambeau River State Forest, Sawyer Co

University of Wisconsin - Madison
Catalog #: WIS-L-0111619
John W. Thomson #s.n. 23 August 1951
Graphis scripta (L.) Ach.
United States, Wisconsin, Sawyer, Flambeau River State Forest