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

University of Illinois Herbarium
Catalog #: ILL00076022
de Thuemen s.n.
Ascochyta polygoni Rabenh.
Germany, Bavaria, Bayreuth; Bayreuth

Purdue University, Kriebel Herbarium
Catalog #: PUL00029438
de Thumen s.n.
Ascochyta polygoni Rabenh.
Germany, Bavaria, Bayreuth;

USDA United States National Fungus Collections
Catalog #: BPI 372001
Thuemen s.n.
Ascochyta polygoni (Dearn. & House) Arx
West Germany, Bavaria, Bayreuth

USDA United States National Fungus Collections
Catalog #: BPI 1034504
Thuemen s.n.
Ascochyta polygoni (Dearn. & House) Arx
Germany, Bavaria, Bayreuth

University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
Catalog #: NEB00043947
Thumen s.n.
Ascochyta polygoni Rabenh.
Germany, Bavaria: Bayreuth