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

University of Illinois Herbarium
Catalog #: ILL00086028
de Thümen s.n.
Corticium quercinum var. syringae Rabenh.
Czech Republic, Bohemia, Tetschen; Tetschen

Rutgers University, Chrysler Herbarium - Mycology Collection
Catalog #: CHRB-F-0004196
DeThuemen s.n.
Corticium quercinum (Pers.) Fr.
Czech Republic, Bohemia

USDA United States National Fungus Collections
Catalog #: BPI 288696
Thuemen s.n.
Peniophora quercina (Pers.) Cooke
Czechoslovakia, formerly Austria Bohemia North, Decin (Tetschen)