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

University of Illinois Herbarium
Catalog #: ILL00076117
de Thuemen s.n.
Asteroma betulae Roberge ex Desm.
Germany, Bavaria, Bayreuth; Bayreuth

Purdue University, Kriebel Herbarium
Catalog #: PUL00029501
de Thumen s.n.
Asteroma betulae Roberge ex Desm.
Germany, Bavaria, Bayreuth;

USDA United States National Fungus Collections
Catalog #: BPI 361428
Thuemen s.n.
Asteroma betulae Roberge ex Desm.
West Germany, Bavaria, Bayreuth

USDA United States National Fungus Collections
Catalog #: BPI 1034596
Thuemen s.n.
Asteroma betulae Roberge ex Desm.
Germany, Bavaria, Bayreuth

University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
Catalog #: NEB00044163
Thumen s.n.
Asteroma betulae Roberge ex Desm.
Germany, Bavaria: Bayreuth