C. Roumeguere [1-7400]

USDA United States National Fungus Collections
Catalog #: BPI 1011501
F. de Thumen #s.n.
Sphaerotheca niesslii Thüm.
Austria, Kalkburg

University of Illinois Fungarium - Fungi
Catalog #: ILL00218971
F. de ThŸmen s.n.
Sphaerotheca niesslii Thüm.
Autriche, Kalkburg