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

Cornell University, Plant Pathology Herbarium
Catalog #: Syd.,Myc.germ.3076
s.n.
Peronospora arabidopsidis Gäumann
Germany

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0074954
s.n.
Peronospora arabidiopsis Gäumann

USDA United States National Fungus Collections
Catalog #: BPI 1028599
s.n.
Peronospora arabidopsidis Gäum.
Germany

University of Michigan Herbarium
Catalog #: 335543
A. Ludwig #s. n. 07 May 1937
Peronospora arabidopsidis Gäum.
Germany, Westfalen: in der Numbach bei Seigen.

USDA United States National Fungus Collections
Catalog #: BPI 786729
Ludwig, A. s.n. 07 May 1937
Peronospora arabidopsidis Gäum.
Germany, Westfalen, Numbach, near Siegen