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

University of Illinois Herbarium
Catalog #: ILL00085237
s.n.
Claviceps microcephala (Wallr.) Tul.

University of Nebraska State Museum, C.E. Bessey Herbarium
Catalog #: NEB00047662
Dr. Schroter s.n.
Claviceps microcephala (Wallr.) Tul.