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

University of Illinois Herbarium
Catalog #: ILL00084737
Thuemen s.n. 00 May 1872
Hypodermium sulcigenum Link
Czech Republic, Bohemia, Teplice;

University of Nebraska State Museum, C.E. Bessey Herbarium
Catalog #: NEB00056165
von Thumen s.n. 00 May 1872
Hypodermium sulcigenum Link
, Bohmen: bei Teplitz