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

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0066496
F. Petrak #s.n. 03 September 1923
Cercospora ariae Fuckel
Czech Republic, Hochgesenke: Ob. Mohratal.