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

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0083805
F. Petrak #s.n. 20 May 1923
Exoascus cerasi Fuckel
Czech Republic, Mähr-Weisskirchen: Hrabuvka