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

University of Illinois Herbarium
Catalog #: ILL00085004
s.n.
Melampsora tremulae Tul. & C. Tul.

University of Nebraska State Museum, C.E. Bessey Herbarium
Catalog #: NEB00058981
C. B. Plowright s.n. 00 November 1872
Melampsora tremulae Tul. & C. Tul.
England, bei Kings-Lynn in Norfolk