Petrak, Fl. Bohem. Morav. Exs. Pilze
F. Petrak [1-2575]

USDA United States National Fungus Collections
Catalog #: BPI 409460
Eichler G. A. s.n. 00 February 1905
Oidium euonymi-japonici (Arcangeli) Saccardo
Czechoslovakia, Bohemia, Teplice (Teplitz-schoenau)