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

USDA United States National Fungus Collections
Catalog #: BPI 1033920
s.n.
Oidium fructigenum Link

University of Illinois Herbarium
Catalog #: ILL00085199
von Thumen s.n. 00 September 1875
Oidium fructigenum (Pers.) Fr.

University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
Catalog #: NEB00060124
von Thumen s.n. 00 September 1875
Monilia fructigenum
Germany