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

Cornell University Plant Pathology Herbarium
Catalog #: Syd.,Myc.germ.2308
s.n.
Peronospora Corda
Germany

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0075458
s.n.
Peronospora pratensis Syd.

USDA United States National Fungus Collections
Catalog #: BPI 1027832
s.n.
Peronospora pratensis Syd.
Germany

University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
Catalog #: NEB00062302
A. Ludwig s.n. 05 July 1924
Peronospora pratensis Sydow
Germany, Hessen-Nassau, bei Haiger, Dillkreis

University of Michigan Herbarium
Catalog #: 336249
A. Ludwig #s. n. 05 July 1924
Peronospora pratensis Syd.
Germany, Hessen-Nassau, bei Haiger, Dillkreis.

Academy of Natural Sciences of Drexel University
Catalog #: PH00314455
A. Ludwig #s.n. 05 July 1924
Peronospora trifoliorum de Bary
Germany, Hessen, bei Haiger, Dillkreis

USDA United States National Fungus Collections
Catalog #: BPI 789919
Ludwig, A. s.n. 05 July 1924
Peronospora pratensis Syd.
Germany, Hessen-Nassau, Haiger, Dillkreis