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

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0065995
F. Petrak #s.n. 08 March 1925
Ascochytella visci (Potebnia) Petr.
Czech Republic, Mähr-Weisskirchen. Hrabuvka