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

University of Illinois Herbarium
Catalog #: ILL00085567
s.n.
Fusidium pteridis Kalchbr.
Czech Republic, Bohemia, Libouchec

Rutgers University, Chrysler Herbarium - Mycology Collection
Catalog #: CHRB-F-0007644
DeTHUEMEN #673
Fusidium pteridis Kalchbr.
Czech Republic, Bohemia

USDA United States National Fungus Collections
Catalog #: BPI 450776
Thuemen s.n.
Fusicolla pteridis P. Karst.
Czechoslovakia, formerly Austria Bohemia, Libouchec (Koenigswald)