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

Cornell University Plant Pathology Herbarium
Catalog #: Syd.,Myc.germ.2668
s.n.
Peronospora Corda
Germany

Wisconsin State Herbarium, Fungi
Catalog #: WIS-F-0075464
s.n.
Peronospora pratensis Syd.

USDA United States National Fungus Collections
Catalog #: BPI 1028191
s.n.
Hyaloperonospora praecox Voglmayr & Göker

Academy of Natural Sciences of Drexel University
Catalog #: PH00314459
Hans Sydow #s.n. 27 May 1933
Peronospora trifoliorum de Bary
Germany, Brandenburg: Spechthausan bei Eberswalde.

USDA United States National Fungus Collections
Catalog #: BPI 789914
Sydow, H. s.n. 27 May 1933
Peronospora pratensis Syd.
Germany, Brandenburg, Spechthausen, Eberswalde