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

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0086162
F. Petrak #s.n. 29 October 1913
Valsa ceratophora var. maxima Petr.
Czech Republic, Mähr-Weisskirchen: Hrabuvka