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

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0069291
F. Petrak #s.n. 24 August 1922
Discosporiella phaeosora (Sacc.) Petr.
Czech Republic, Mähr-Weisskirchen: Skalicka