Rabenhorst, Fungi Eur. Exs.
G.L. Rabenhorst [1-2600]

USDA United States National Fungus Collections
Catalog #: BPI 997891
s.n.
Peronospora effusa (Grev.) Rabenh.
Germany

University of North Carolina at Chapel Hill Herbarium
Catalog #: NCU-F-0018764
Schneider #s.n. 00 October 1863
Peronospora effusa Greville
Poland, Województwo dolnośląskie, Wrocław, Auf den Krautereien von Kleinburg, Krietern bei Breslau