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

University of Illinois Herbarium
Catalog #: ILL00085042
s.n.
Caeoma ricini Schltdl.

University of Nebraska State Museum, C.E. Bessey Herbarium
Catalog #: NEB00059052
Prof. Mac Owan s.n.
Melampsorella ricini (Biv.) De Toni