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

USDA United States National Fungus Collections
Catalog #: BPI 575141
Petrak F. s.n. 12 May 1913
Rhytisma acerinum (Pers.) Fr.
Czechoslovakia, Hranice (Maehr.-weisskirchen), Podhorn