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

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0068039
F. Petrak #s.n. 28 September 1913
Cytospora petrakii H. Zimm.
Czech Republic, Mähr-Weisskirchen: [Svrčov]

USDA United States National Fungus Collections
Catalog #: BPI 365490
Petrak F. s.n. 28 September 1913
Cytospora petrakii H. Zimm.
Czechoslovakia, Hranice (Maehr.-weisskirchen),svrcov