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

USDA United States National Fungus Collections
Catalog #: BPI 364992
Petrak F. s.n. 27 February 1912
Cytospora clypeata Sacc.
Czechoslovakia, Hranice (Maehr.-weisskirchen), Svrcov