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

University of Michigan Herbarium
Catalog #: 122266
J. W. Thomson #s. n. 08 March 1946
Physconia detersa (Nyl.) Poelt
United States, Wisconsin, Eau Claire, South of Eau Claire

Arizona State University Lichen Herbarium
Catalog #: 527818
J.W. Thomson s.n. 08 March 1946
Physcia grisea (Lam.) Zahlbr.
USA, Wisconsin, Eau Claire, S of Eau Claire

University of Colorado, Museum of Natural History Herbarium Lichen Collection
Catalog #: COLO-L-0035030
John W. Thomson #S 10966 08 March 1946
Physconia leucoleiptes (Tuck.) Essl.
United States, Wisconsin, Eau Claire, S of Eau Claire

University of Wisconsin - Madison
Catalog #: WIS-L-0004572
John W. Thomson #s.n. 08 March 1946
Physconia detersa (Nyl.) Poelt
United States, Wisconsin, Eau Claire, S of Eau Claire

University of California Berkeley, University Herbarium
Catalog #: UC1899412
John W. Thomson #s.n. 08 March 1946
Physconia grisea (Lam.) Poelt
United States, Wisconsin, Eau Claire, South of Eau Claire.

Uppsala University Exsiccati
Catalog #: L-525475
John W. Thomson Jr s.n. 08 March 1946
Physconia grisea (Lam.) Poelt
United States, Wisconsin, Eau Claire, South of Eau Claire, Eau Claire Co

Duke University Herbarium Lichen Collection
Catalog #: 132202
bf28aa63-fa34-11e2-a92b-005056000560
Thomson, Jr., John, Walter #s.n. 08 March 1946
Physconia kurokawae Kashiw.
United States, Wisconsin, Eau Claire Co., S of Eau Claire