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

University of Illinois Herbarium
Catalog #: ILL00084982
Thumen s.n. 00 October 1873
Peronospora gangliformis f. lactucae sativae
Czech Republic, Bohemia, Tetschen; Tetschen

University of Nebraska State Museum, C.E. Bessey Herbarium
Catalog #: NEB00062052
v. Thumen s.n. 00 October 1873
Peronospora gangliformis (Berkeley) de Bary