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

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0073458
J. Piskorz s.n. 00 May 1926
Mycosphaerella aquilina (Fr.) J. Schröt.
Czech Republic, Šternberk