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

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0071304
J. Hruby #s.n. 00 October 1913
Irpex fuscoviolaceus (Ehrenb.) Fr.
Czech Republic, [Weidenau] in Öst-Schlesien