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

USDA United States National Fungus Collections
Catalog #: BPI 1034350
s.n.
Caeoma filicum Link

University of Illinois Herbarium
Catalog #: ILL00075865
de Thuemen s.n.
Caeoma filicum Link
Germany, Bavaria, Berneck

USDA United States National Fungus Collections
Catalog #: BPI 155671
Thuemen s.n.
Uredo polypodii
West Germany, Bavaria, Berneck

University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
Catalog #: NEB00083906
Thumen s.n.
Uredo filicum Desmazières
Germany, Bavaria: Berneck