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

University of Michigan Herbarium
Catalog #: 133481
J. W. Thomson #s. n. 09 August 1946
Usnea cavernosa Tuck.
United States, Wisconsin, Douglas, Brule River valley

University of Wisconsin - Madison
Catalog #: WIS-L-0005361
John W. Thomson #38 09 August 1946
Usnea cavernosa Tuck.
United States, Wisconsin, Douglas, Brule River Valley

Arizona State University Lichen Herbarium
Catalog #: 610095
John W. Thomson #38 09 August 1946
Usnea cavernosa Tuck.
USA, Wisconsin, Douglas, Brule River Valley

University of Colorado, Museum of Natural History Herbarium Lichen Collection
Catalog #: COLO-L-0043450
John W. Thomson #S 4547 09 August 1946
Usnea cavernosa Tuck.
United States, Wisconsin, Douglas, Brule River valley

Uppsala University Exsiccati
Catalog #: L-525580
John W. Thomson Jr s.n. 09 August 1946
Usnea cavernosa Tuck.
United States, Wisconsin, Douglas, Brule River valley

Duke University Herbarium Lichen Collection
Catalog #: 309244
c130edce-fa34-11e2-a92b-005056000560
Thomson, Jr., John, Walter #s.n. 09 August 1946
Usnea cavernosa Tuck.
United States, Wisconsin, Douglas Co., Brule River Valley