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

Cornell University, Plant Pathology Herbarium
Catalog #: Syd.,Myc.germ.2891
s.n.
Peronospora erysimi Gäumann
Germany

USDA United States National Fungus Collections
Catalog #: BPI 1028414
s.n.
Peronospora erysimi Gäum.
Germany

University of Michigan Herbarium
Catalog #: 335888
A. Ludwig #s. n. 15 September 1934
Peronospora erysimi Gäumann
Germany, Westfalen: auf dem Lindenberg in Siegen

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0075370
a. Ludwig #s.n. 15 September 1934
Peronospora erysimi Gäumann
Germany, North Rhine- Westphalia, Westfalen: auf dem Lindenberg in Siegen

USDA United States National Fungus Collections
Catalog #: BPI 788405
Ludwig, A. s.n. 15 September 1934
Peronospora erysimi Gäum.
Germany, Westfalen, Lindenberg, Siegen