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

University of Illinois Herbarium
Catalog #: ILL00084871
Thumen s.n. 00 September 1873
Peronospora infestans f. lycopersici
Germany, Hessen, Darmstadt, Nassau bei Wiesbaden

University of Nebraska State Museum, C.E. Bessey Herbarium
Catalog #: NEB00062128
v. Thumen s.n. 00 September 1873
Peronospora infestans (Montagne) Caspary