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

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0085833
J. Hruby #s.n. 00 August 1929
Ustilago marginalis (DC.) Lév.
Czech Republic, Hochgesenke Gr. Kessel