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

USDA United States National Fungus Collections
Catalog #: BPI 997990
s.n.
Peronospora grisea (Unger) de Bary
Germany

University of North Carolina at Chapel Hill Herbarium
Catalog #: NCU-F-0018750
Magnus, P. #s.n.
Peronospora grisea Unger
Germany, Berlin, in agris pr. Franz. Buchholz ad Berolinum