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

USDA United States National Fungus Collections
Catalog #: BPI 1034450
s.n.
Peronospora urticae (Libert) de Bary

University of Illinois Herbarium
Catalog #: ILL00075968
de Thuemen s.n.
Peronospora urticae (Libert) de Bary
Germany, Bavaria, Berneck; Berneck

USDA United States National Fungus Collections
Catalog #: BPI 787847
de Thumen s.n.
Peronospora debaryi E.S. Salmon & Ware
Germany, Bavaria, Berneck

Charles Gardner Shaw Mycological Herbarium, Washington State University
Catalog #: WSP35655
De Thumen s.n.
Peronospora urticae (Libert) de Bary
Germany, Bavaria: Berneck

University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
Catalog #: NEB00062409
de Thumen s.n.
Peronospora urticae (Libert) de Bary
Germany, Bavaria, Berneck;