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

University of Illinois Herbarium
Catalog #: ILL00085669
de Thümen s.n.
Cylindrium clandestinum (Corda) Sacc.
Czech Republic, Bohemia, Teplitz

Rutgers University, Chrysler Herbarium - Mycology Collection
Catalog #: CHRB-F-0004733
DeThuemen s.n.
Cylindrium clandestinum (Corda) Sacc.
Czech Republic, Bohemia, Southern Bohemia;

USDA United States National Fungus Collections
Catalog #: BPI 408986
Thuemen de s.n.
Cylindrium clandestinum (Corda) Sacc.
Czechoslovakia, formerly Austria Bohemia, Teplice