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

University of Illinois Herbarium
Catalog #: ILL00076460
de Thuemen s.n. 00 July 1875
Peronospora trifoliorum de Bary
Germany, Bavaria, Bayreuth; Bayreuth

USDA United States National Fungus Collections
Catalog #: BPI 791386
de Thumen s.n. 00 July 1875
Peronospora trifoliorum de Bary
Germany, Bayreuth, Bavaria

University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
Catalog #: NEB00062379
de Thumen s.n. 00 July 1875
Peronospora trifoliorum de Bary
Germany, Bavaria, Bayreuth;

Purdue University, Kriebel Herbarium
Catalog #: PUL00029603
de Thumen s.n.
Peronospora trifoliorum de Bary
Germany, Bavaria, Bayreuth;

USDA United States National Fungus Collections
Catalog #: BPI 1034929
de Thumen s.n. 00 July 1875
Peronospora trifoliorum de Bary
Germany, Bayreuth, Bavaria

University of Michigan Herbarium
Catalog #: 336429
de Thümen #s. n. 00 July 1875
Peronospora trifoliorum f. trifolii-arvensis Thümen
Germany, Bavaria: Bayreuth

Charles Gardner Shaw Mycological Herbarium, Washington State University
Catalog #: WSP35653
DeThumen s.n. 00 July 1875
Peronospora trifoliorum f. Trifolii arvensis DeBary; (de Thumen)
Germany, Bavaria, Bayreuth