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

University of Illinois Herbarium
Catalog #: ILL00076223
de Thuemen s.n.
Asteroma fraxini DC.
Germany, Bavaria, Bayreuth; Bayreuth

University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
Catalog #: NEB00045935
de Thumen s.n.
Cercospora fraxini Ellis & Kellerm.

Purdue University, Kriebel Herbarium
Catalog #: PUL00029698
de Thumen s.n.
Asteroma fraxini DC.
Germany, Bavaria, Bayreuth;

USDA United States National Fungus Collections
Catalog #: BPI 1034700
de Thumen #s. n.
Asteroma fraxini DC.
Germany, Bavaria, Bayreuth

Chrysler Herbarium - Mycological Collection
Catalog #: CHRB-F-0001411
DeTheumen s.n.
Asteroma fraxini DC.
Germany, Bavaria

Chrysler Herbarium - Mycological Collection
Catalog #: CHRB-F-0001414
E. Bartholomew s.n. 20 May 1905
Asteroma graminis Westend.
United States, Kansas, Stockton;

USDA United States National Fungus Collections
Catalog #: BPI 361465
Thuemen s.n.
Asteroma fraxini DC.
West Germany, Bavaria, Bayreuth