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

University of Illinois Fungarium - Fungi
Catalog #: ILL00085239
s.n.
Sphaerotheca castagnei Lév.

USDA United States National Fungus Collections
Catalog #: BPI 1033940
W. Voss #s.n.
Sphaerotheca castagnei Lév.
Austria, Rohrbach

University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
Catalog #: NEB00081100
W. Voss. s.n.
Sphaerotheca castagnei Lév.