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

University of Illinois Herbarium
Catalog #: ILL00085268
s.n.
Tubercularia aceris Opiz

University of Nebraska State Museum, C.E. Bessey Herbarium
Catalog #: NEB00083350
von Thumen s.n. 00 October 1876
Tubercularia aceris Opiz
Germany, Nieder-Oesterreich: bei Klosterneuburg