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

Cornell University, Plant Pathology Herbarium
Catalog #: Syd.,Myc.germ.3081
s.n.
Peronospora rorippae-islandicae Gäumann
Germany

USDA United States National Fungus Collections
Catalog #: BPI 1028604
s.n.
Peronospora roripae-islandicae Gäumann
Germany

University of Michigan Herbarium
Catalog #: 336288
A. Ludwig #s. n. 28 July 1936
Peronospora rorippae-islandicae Gäum.
Germany, Westfalen: im Achenbacher Tälchen bei Siegen.

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0075410
A. Ludwig #s.n. 28 July 1936
Peronospora roripae-islandicae Gäumann

USDA United States National Fungus Collections
Catalog #: BPI 790646
Ludwig, A. s.n. 28 July 1936
Peronospora roripae-islandicae Gäumann
Germany, Westfalen, Achenbacher Talchen, Siegen