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

University of Illinois Herbarium
Catalog #: ILL00075653
de Thuemen s.n. 00 August 1874
Peronospora obovata Bonorden
Germany, Bavaria, Bayreuth

USDA United States National Fungus Collections
Catalog #: BPI 789638
de Thumen s.n. 00 August 1874
Peronospora obovata Bonord.
Germany, Bavaria, Bayreuth

Charles Gardner Shaw Mycological Herbarium, Washington State University
Catalog #: WSP35510
de Thumen s.n. 00 August 1874
Peronospora obovata f. Spergulae-arvensis Bon.; (de Thumen)
Germany, Bavaria: Bayreuth

University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
Catalog #: NEB00062204
de Thumen s.n. 00 August 1874
Peronospora obovata Bonorden
Germany, Bavaria, Bayreuth;

Purdue University, Kriebel Herbarium
Catalog #: PUL00029262
de Thumen s.n. 00 August 1874
Peronospora obovata Bonorden
Germany, Bavaria, Bayreuth;

USDA United States National Fungus Collections
Catalog #: BPI 1034141
de Thumen s.n. 00 August 1874
Peronospora obovata Bonord.
Germany, Bavaria, Bayreuth

USDA United States National Fungus Collections
Catalog #: BPI 712944
Thuemen s.n. 00 August 1874
Peronospora obovata Bonord.
Germany, Bavaria, Bayreuth