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

University of Illinois Herbarium
Catalog #: ILL00084848
F. Boden s.n.
Exoascus alni var. alni incanae
Germany, Baden-Württemberg, Karlsruhe, Birkenfeld; Rheinpreussen, Bärfink bei Birkenfeld

University of Nebraska State Museum, C.E. Bessey Herbarium
Catalog #: NEB00082184
F. Boden s.n.
Taphrina amentosum