Thümen, Fungi Austr. Exs.
F.K.A.E.J. de Thümen [1-1200]

University of Illinois Herbarium
Catalog #: ILL00085727
de Thümen s.n.
Corticium laeve f. albida Fr.
Czech Republic, Bohemia, Teplitz; Teplitz

Rutgers University, Chrysler Herbarium - Mycology Collection
Catalog #: CHRB-F-0004164
DeThuemen s.n.
Corticium laeve Pers.
Czech Republic, Bohemia

USDA United States National Fungus Collections
Catalog #: BPI 281904
Thuemen s.n.
Corticium laeve Pers.
Czechoslovakia, formerly Austria Bohemia North, Teplice