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

Field Museum of Natural History
Catalog #: C0335648F
d586f4a6-dbdd-48ff-be34-48bc2af64711
J. W. Thomson s.n. 01 May 1946
Arthonia caesia (Flot.) Körb.
U.S.A., Wisconsin, Green, Albany

University of Colorado, Museum of Natural History Herbarium Lichen Collection
Catalog #: COLO-L-0002003
J. W. Thomson #9 01 May 1946
Chrysothrix caesia (Flot.) Ertz & Tehler
United States, Wisconsin, Green, Albany

University of Michigan Herbarium
Catalog #: 74727
8341f65e-ab33-4c57-b288-d3ef1f288910
J. W. Thomson #s. n. 01 May 1946
Arthonia caesia (Flotow) Körb.
United States, Wisconsin, Green, Albany

Arizona State University Lichen Herbarium
Catalog #:
J.W. Thomson s.n. 01 May 1946
Allarthonia caesia Flot.
United States, Wisconsin, Green, Albany, T3N R9E Sec. 21

University of California Berkeley, University Herbarium
Catalog #: UC1893314
3201016d-5cd2-4fbd-87b1-64101aff52af
John W. Thomson #s.n. 01 May 1946
Arthrosporum populorum A. Massal.
United States, Wisconsin, Green, Albany.

University of Wisconsin - Madison
Catalog #: WIS-L-0111592
John W. Thomson #s.n. 01 May 1946
Allarthonia caesia Flot.
United States, Wisconsin, Green, Albany

Lichen Herbarium of the Museum of Evolution, Uppsala University
Catalog #: L-525482
John W. Thomson, Jr s.n. 01 May 1946
Arthonia caesia (Flotow) Körb.
United States, Wisconsin, Green, Albany, Green Co

Duke University Herbarium Lichen Collection
Catalog #: 216305
b24c63a1-9789-4cb3-91f9-dcd42716c8f7
Thomson, John, W. #s.n. 01 May 1946
Chrysothrix caesia (Flot.) Ertz & Tehler
United States, Wisconsin, Green Co., Albany