H. Sydow and P. Sydow [1-3000]

Cornell University, Plant Pathology Herbarium
Catalog #: Syd.,Myc.germ.3082
s.n.
Peronospora Corda
Germany

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0075423
s.n.
Peronospora sepium Gäum.

USDA United States National Fungus Collections
Catalog #: BPI 1028605
s.n.
Peronospora sepium Gäum.
Germany

USDA United States National Fungus Collections
Catalog #: BPI 790882
Eichhorn, E. s.n. 30 May 1937
Peronospora sepium Gäum.
Germany, Regendorf, Bez. Regensburg, Bavaria