F.K.A.E.J. de Thümen [1-2300, plus extras]

University of Illinois Herbarium
Catalog #: ILL00076326
de Thuemen s.n.
Melanconium betulinum J.C. Schmidt & Kunze
Germany, Bavaria, Bayreuth; Bayreuth

University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
Catalog #: NEB00059140
de Thumen s.n.
Melanconium betulinum J.C. Schmidt & Kunze
Germany, Bavaria, Bayreuth;

Chrysler Herbarium - Mycological Collection
Catalog #: CHRB-F-0011478
De Thumen #.
Melanconium betulinum . .
Germany, Bavaria

Chrysler Herbarium - Mycological Collection
Catalog #: CHRB-F-0006330
Dr. G.A. Eichler s.n.
Empusa muscae Cohn
Czech Republic, Northern Bohemia, Teplice;

USDA United States National Fungus Collections
Catalog #: BPI 402199
Thuemen s.n.
Melanconium betulinum J.C. Schmidt & Kunze
West Germany, Bavaria, Bayreuth

USDA United States National Fungus Collections
Catalog #: BPI 1034799
Thuemen s.n.
Melanconium betulinum J.C. Schmidt & Kunze
Germany, Bavaria, Bayreuth