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

University of Colorado, Museum of Natural History Herbarium Lichen Collection
Catalog #: COLO-L-0002122
J. W. Thomson #23 26 May 1946
Arthonia patellulata Nyl.
United States, Wisconsin, Bayfield, Along Flag River SE of Port Wing

Arizona State University Lichen Herbarium
Catalog #: 527811
J.W. Thomson s.n. 26 May 1946
Arthonia patellulata Nyl.
USA, Wisconsin, Bayfield, along Flag River SE of Port Wing

University of Wisconsin - Madison
Catalog #: WIS-L-0111596
John W. Thomson #s.n. 26 May 1946
Arthonia patellulata Nyl.
United States, Wisconsin, Bayfield, Along Flag River SE of Port Wing

Uppsala University Exsiccati
Catalog #: L-525552
John W. Thomson, Jr s.n. 26 May 1946
Arthonia patellulata Nyl.
United States, Wisconsin, Bayfield, Along Flag River SE of Port Wing, Bayfield Co

Duke University Herbarium Lichen Collection
Catalog #: 217580
Thomson, John W. #s.n. 26 May 1946
Arthonia patellulata Nyl.
United States, Wisconsin, Bayfield, Along Flag River SE of Port Wing