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

University of Illinois Herbarium
Catalog #: ILL00075649
de Thuemen s.n. 00 May 1874
Peronospora grisea (Unger) de Bary
Germany, Bavaria, Bayreuth

USDA United States National Fungus Collections
Catalog #: BPI 788846
de Thumen s.n. 00 May 1874
Peronospora grisea (Unger) de Bary
Germany, Bavaria, Bayreuth

Charles Gardner Shaw Mycological Herbarium, Washington State University
Catalog #: WSP35603
de Thumen s.n. 00 May 1874
Peronospora grisea f. veronicae hederaefoliae DeBy; (de Thumen)
Germany, Bavaria: Bayreuth

University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
Catalog #: NEB00062076
de Thumen s.n. 00 May 1874
Peronospora grisea (Unger) de Bary
Germany, Bavaria, Bayreuth;

Purdue University, Kriebel Herbarium
Catalog #: PUL00029274
de Thumen s.n. 00 May 1874
Peronospora grisca
Germany, Bavaria, Bayreuth;

USDA United States National Fungus Collections
Catalog #: BPI 1034137
de Thumen s.n. 00 May 1874
Peronospora grisea (Unger) de Bary
Germany, Bavaria, Bayreuth

New York Botanical Garden
Catalog #: 1960282
df5e2b1d-c511-485a-b682-558c2f9ce8cd
F. K. A. E. J. von Thümen #s.n. 00 May 1874
Peronospora grisea (Unger) Unger
Germany, Bavaria, Oberfranken, Bayreuth, Bavaria

USDA United States National Fungus Collections
Catalog #: BPI 712940
Thuemen s.n. 00 May 1874
Peronospora grisea (Unger) de Bary
Germany, Bavaria, Bayreuth