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

University of Michigan Herbarium
Catalog #: 79610
9215e5dc-2254-47d2-963e-1ee1d7a1f28b
J. W. Thomson #s. n. 09 August 1946
Chaenotheca laevigata Nádv.
United States, Wisconsin, Douglas, Brule River valley

Arizona State University Lichen Herbarium
Catalog #:
J.W. Thomson s.n. 09 August 1946
Chaenotheca phaeocephala (Turner) Th. Fr.
United States, Wisconsin, Douglas, Brule River valley, T45N R11W Sec. 3

University of Colorado, Museum of Natural History Herbarium Lichen Collection
Catalog #: COLO-L-0008767
John W. Thomson #S 4409 09 August 1946
Chaenotheca phaeocephala (Turner) Th. Fr.
United States, Wisconsin, Douglas, Brule River valley

University of Wisconsin - Madison
Catalog #: WIS-L-0000264
John W. Thomson #s.n. 09 August 1946
Chaenotheca phaeocephala (Turner) Th. Fr.
United States, Wisconsin, Douglas, Brule River Valley

University of California Berkeley, University Herbarium
Catalog #: UC1894258
864c22cc-1c15-426e-8c2d-18d29c82bc0b
John W. Thomson #s.n. 09 August 1946
Chaenotheca phaeocephala (Turner) Th. Fr.
United States, Wisconsin, Douglas, Brule River Valley.

Lichen Herbarium of the Museum of Evolution, Uppsala University
Catalog #: L-525573
John W. Thomson Jr s.n. 09 August 1946
Chaenotheca laevigata Nádv.
United States, Wisconsin, Douglas, Brule River valley

Duke University Herbarium Lichen Collection
Catalog #: 216502
067804a0-6498-4e1f-96d9-34a2ec454880
Thomson Jr., John, W. #s.n. 09 August 1946
Chaenotheca phaeocephala (Turner) Th. Fr.
United States, Wisconsin, Douglas Co., Brule River valley