C. Roumeguere [1-7400]

USDA United States National Fungus Collections
Catalog #: BPI 1014991
s.n.
Pionnotes cesatii Sacc.

USDA United States National Fungus Collections
Catalog #: BPI 1010534
s.n.
Pionnotes cesatii Sacc.

University of Illinois Herbarium
Catalog #: ILL00216979
Feuilleaubois 743 s.n. 00 August 1885
Pionnotes (Pionnotiella) cesatii forma betulae
France, (Seine-et-Marne), Fort de Fontainbleau,