M. Raciborski and B. Namyslowski [1-200]

Cornell University Plant Pathology Herbarium
Catalog #: Myco.Polonica-0109
s.n.
Erysiphe urticae (Wallr.) S. Blumer

USDA United States National Fungus Collections
Catalog #: BPI 1001610
s.n.
Peronospora effusa (Grev.) Rabenh.
Poland

USDA United States National Fungus Collections
Catalog #: BPI 788385
Wroblewski, Zb. Antoni s.n. 12 May 1910
Peronospora effusa f. typica
Poland, Zaleszczyki, Dniestrem