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

Cornell University, Plant Pathology Herbarium
Catalog #: Syd.,Myc.germ.3075
s.n.
Peronospora arabidis-hirsutae Gäum
Germany

USDA United States National Fungus Collections
Catalog #: BPI 1028598
s.n.
Peronospora arabidis-hirsutae Gäum.
Germany

University of Michigan Herbarium
Catalog #: 335541
A. Ludwig #s. n. 17 May 1937
Peronospora arabidis-hirsutae Gäum.
Germany, Westfalen: an den Borghauser Klippen, Kreis Olpe.

USDA United States National Fungus Collections
Catalog #: BPI 786726
Ludwig, A. s.n. 17 May 1937
Peronospora arabidis-hirsutae Gäum.
Germany, Westfalen, Borghauser Klippen, Olpe Kreis