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

University of Illinois Herbarium
Catalog #: ILL00085084
s.n.
Peronospora nivea de Bary

University of Nebraska State Museum, C.E. Bessey Herbarium
Catalog #: NEB00062190
Dr. Walther s.n. 00 August 1875
Peronospora nivea de Bary
Germany