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

Cornell University Plant Pathology Herbarium
Catalog #: Syd.,Myc.germ.2303
s.n.
Peronospora honckenyae (Sydow) Sydow
Germany

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0074967
s.n.
Peronospora alsinearum Casp.

USDA United States National Fungus Collections
Catalog #: BPI 1027827
s.n.
Peronospora honckenyae (Syd. & P. Syd.) Syd.
Germany

University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
Catalog #: NEB00062122
A. Ludwig s.n. 11 August 1925
Peronospora honckenyae (Sydow) Sydow
Germany, Freistaat Hamburg: Duhnen bei Cuxhaven

University of Michigan Herbarium
Catalog #: 335914
A. Ludwig #s. n. 01 August 1925
Peronospora honckenyae (Syd. & P. Syd.) Syd.
Germany, Freistaat Hamburg: Duhnen bei Cuxhaven.

Academy of Natural Sciences of Drexel University
Catalog #: PH00314430
A. Ludwig #s.n. 11 August 1925
Peronospora honckenyae (Sydow) Sydow
Germany, Freistaat Hamburg: Duhnen bei Cuxhaven

USDA United States National Fungus Collections
Catalog #: BPI 788960
Ludwig, A. s.n. 11 August 1925
Peronospora honckenyae (Syd. & P. Syd.) Syd.
Germany, Hamburg, Duhnen, Cuxhaven