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

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0086163
F. Petrak #s 05 September 1915
Valsa ceratophora Tul. & C. Tul.
Czech Republic, Mahr-Weisskirchen: "dicker Haus"