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

Rutgers University, Chrysler Herbarium - Mycology Collection
Catalog #: CHRB-F-0003169
de Thüemen s.n.
Cladosporium fumago Mont.
Czech Rupublic, Bohemia

University of Illinois Herbarium
Catalog #: ILL00085671
de Thümen s.n.
Cladosporium fumago f. Ulmi effusae Lk.
Czech Republic, Bohemia, Teplitz

USDA United States National Fungus Collections
Catalog #: BPI 447268
Thuemen s.n.
Fumago vagans Pers.
Czechoslovakia, formerly Austria Bohemia N., Teplice