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

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0075990
F. Petrak #s.n. 00 May 1936
Phlyctema caulium (Lib.) Petr.
Czech Republic, Mähr-Weisskirchen, Swrcow