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

USDA United States National Fungus Collections
Catalog #: BPI 1034199
s.n.
Polyporus igniarius (L.) Fr.

University of Illinois Herbarium
Catalog #: ILL00075713
de Thuemen s.n.
Polyporus igniarius (L.) Fr.
Germany, Bavaria, Bayreuth

USDA United States National Fungus Collections
Catalog #: BPI 230726
Thuemen s.n.
Fomes igniarius (L.) Fr.
West Germany, Bavaria, Bayreuth

USDA United States National Fungus Collections
Catalog #: BPI 309391
Thuemen s.n.
Fomes igniarius (L.) Fr.
West Germany, Bavaria, Bayreuth

University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
Catalog #: NEB00066234
Thumen s.n.
Polyporus ignarius
Germany, Bavaria: Bayreuth