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

University of Illinois Herbarium
Catalog #: ILL00084716
Thuemen s.n. 00 September 1872
Sphaerotheca castagnei f. humuli Lev
Czech Republic, Bohemia, Teplitz;

University of Nebraska State Museum, C.E. Bessey Herbarium
Catalog #: NEB00081063
von Thumen s.n. 00 September 1872
Sphaerotheca castagnei f. Humuli
Czech Republic, Bohmen: bei Teplitz