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

University of Illinois Herbarium
Catalog #: ILL00085667
de Thümen s.n.
Hysterographium fraxini (Pers.) De Not.
Czech Republic, Bohemia, Teplitz

Rutgers University, Chrysler Herbarium - Mycology Collection
Catalog #: CHRB-F-0009605
DeTHUEMEN #769
Hysterographium fraxini (Pers.) De Not.
, Bohemia

USDA United States National Fungus Collections
Catalog #: BPI 649456
Thuemen s.n.
Hysterographium fraxini (Pers.) De Not.
Czechoslovakia, Bohemia