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

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0065833
F. Petrak #s.n. 00 October 1913
Ascochyta bryoniae H. Zimmermann
Czech Republic, Mahr-Weisskirchen: Bolten