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

USDA United States National Fungus Collections
Catalog #: BPI 622733
Petrak F. s.n. 24 February 1912
Sporormia ambigua Niessl
Czechoslovakia, Hranice (Maehr.-weisskirchen), Hrabuvka