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

Field Museum of Natural History
Catalog #: C0305592F
a395a21c-f7ec-42e8-8764-a421956a9e88
J. W. Thomson #s.n. 21 June 1979
Lecanora dispersa (Pers.) Sommerf.
United States, Wisconsin, Iowa, Dennis Thomson farm. 4.5 miles due SE of Barneveld, 5 miles due SSW of Blue Mounds

University of Wisconsin - Madison
Catalog #: WIS-L-0111636
John W. Thomson #s.n. 21 June 1979
Myriolecis dispersa (Pers.) Śliva, Zhao Xin & Lumbsch
United States, Wisconsin, Iowa, Dennis Thomson farm. 4.5 miles due SE of Barneveld, 5 miles due SSW of Blue Mounds

Uppsala University Exsiccati
Catalog #: L-160287
John W. Thomson Jr. s.n. 21 June 1979
Lecanora dispersa (Pers.) Sommerf.
United States, Iowa, Dennis Thomson farm. 4.5 miles due SE of Barneveld, 5 miles due SSW of Blue Mounds