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

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0066838
F. Petrak #s.n. 08 June 1923
Chaetopyrena erysimi (Hollós) Petr.
Czech Republic, Olomouc, Mähr-Weisskirchen: Czernotin