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

USDA United States National Fungus Collections
Catalog #: BPI 1035040
s.n.
Peronospora nivea de Bary

University of Illinois Herbarium
Catalog #: ILL00076574
de Thuemen s.n.
Peronospora nivea de Bary
Germany, Bavaria, Bayreuth; Bayreuth

Charles Gardner Shaw Mycological Herbarium, Washington State University
Catalog #: WSP35508
de Thuemen s.n.
Plasmopara nivea (Unger) J. Schröt.
Germany, Bavaria: Bayreuth

USDA United States National Fungus Collections
Catalog #: BPI 188230
de Thumen s.n.
Plasmopara nivea (Unger) J. Schröt.
Germany, Bavaria, Bayreuth

University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
Catalog #: NEB00062193
de Thumen s.n.
Peronospora nivea de Bary
Germany, Bavaria, Bayreuth;