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

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0085649
J. Hruby #s.n. 00 October 1913
Ustilago utriculosa (Nees) Tul. & C. Tul.
Czech Republic, Weidenau in O. Schlesien