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

Cornell University, Plant Pathology Herbarium
Catalog #: Syd.,Myc.germ.2911
s.n.
Erysiphe convolvuli DC.
Germany

USDA United States National Fungus Collections
Catalog #: BPI 1028434
s.n.
Erysiphe convolvuli DC.
Germany

USDA United States National Fungus Collections
Catalog #: BPI 559241
Buergener O. s.n. 10 October 1934
Erysiphe convolvuli DC.
Germany, Pommern, Stralsund

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0069883
O. Burgener #s.n. 10 October 1934
Erysiphe convolvuli DC.

Iowa State University, Ada Hayden Herbarium
Catalog #: ISC-F-0125158
O. Bürgener #s.n. 10 October 1934
Erysiphe convolvuli DC.
Germany, Mecklenburg-Vorpommern, Vorpommern-Rügen, Pommern: Stralsund.