F.K.A.E.J. de Thümen [1-750, plus extras]

University of Illinois Herbarium
Catalog #: ILL00084711
Dr. Schneider s.n. 00 October 1869
Peronospora effusa Grey
Poland, Silesia, in den Krautereien von Krietern bei Breslau

University of Nebraska State Museum, C.E. Bessey Herbarium
Catalog #: NEB00061992
Dr. Schneider s.n. 00 October 1869
Peronospora effusa (Greville) Rabenhorst
Germany