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

University of Illinois Herbarium
Catalog #: ILL00084970
Thumen s.n. 00 July 1874
Peronospora obovata f. spergulae arvensis
Germany, Bavaria, Bayreuth; Bayreuth

University of Nebraska State Museum, C.E. Bessey Herbarium
Catalog #: NEB00062205
v. Thumen s.n. 00 July 1874
Peronospora obovata Bonorden
Germany, Bayern, bei Bayreuth