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

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0077443
F. Petrak #2074 08 March 1925
Pleurostromella visci Petr.
Czech Republic, Bohemia, Mahr - Weisskirchen. Hrabuvka.