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

University of Michigan Herbarium
Catalog #: 84087
J. W. Thomson #s. n. 12 July 1946
Cladonia cristatella f. beauvoisii
United States, Wisconsin, 13 miles west of Crivitz, Marinette County

Arizona State University Lichen Herbarium
Catalog #: 527819
J.W. Thomson s.n. 12 July 1946
Cladonia cristatella Tuck.
USA, Wisconsin, Marinette, 20.9 km W of Crivitz, T32N R18E Sec. 9

University of Colorado, Museum of Natural History Herbarium Lichen Collection
Catalog #: COLO-L-0011175
John W. Thomson #S 4425 12 July 1946
Cladonia cristatella Tuck.
United States, Wisconsin, Marinette, 13 mi W of Crivitz

University of Wisconsin - Madison
Catalog #: WIS-L-0006490
John W. Thomson #s.n. 12 July 1946
Cladonia cristatella Tuck.
United States, Wisconsin, Marinette, 13 mi W of Crivitz

Uppsala University Exsiccati
Catalog #: L-525598
John W. Thomson Jr s.n. 12 July 1946
Cladonia cristatella f. beauvoisii
United States, Wisconsin, Marinette, 13 miles west of Crivitz, Marinette Co

Duke University Herbarium Lichen Collection
Catalog #: 49274
c07f3ee4-fa34-11e2-a92b-005056000560
Thomson, Jr., John, Walter #s.n. 12 July 1946
Cladonia cristatella Tuck.
United States, Wisconsin, Marinette Co., 13 mi W of Crivitz