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

USDA United States National Fungus Collections
Catalog #: BPI 1026751
s.n.
Peronospora violacea Berk.
Germany

Cornell University, Plant Pathology Herbarium
Catalog #: Syd.,Myc.germ.1226
A. Ludwig s.n. 03 August 1913
Peronospora violacea Berkeley
Germany, Lothringen: Kelschberg bei Forbach

University of Nebraska State Museum, C.E. Bessey Herbarium
Catalog #: NEB00062439
A. Ludwig s.n. 03 August 1913
Peronospora violacea Berkeley
Germany, Lothringen: Kelschberg bei Forbach

Miami University, Willard Sherman Turrell Herbarium
Catalog #: 000223873
A. Ludwig #1226 03 August 1913
Peronospora violacea Berk.
Germany

University of Michigan Herbarium
Catalog #: 336493
A. Ludwig #s. n. 03 August 1913
Peronospora violae de Bary
Germany, Lothringen: Kelschberg bei Forbach.

Academy of Natural Sciences of Drexel University
Catalog #: PH00314380
A. Ludwig #s.n. 03 August 1913
Peronospora violacea Berkeley
Germany, Lothringen: Kelschberg bei Forbach

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0075791
A. Ludwig #s.n. 08 March 1913
Peronospora violacea Berk.
Germany, Lothringen: Kelschlberg bei Forbach

USDA United States National Fungus Collections
Catalog #: BPI 791911
Ludwig, A. s.n. 03 August 1913
Peronospora violacea Berk.
Germany, Lothringia, Keischberg, Forbach