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

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0071489
J. Hruby #s.n. 00 July 1919
Hysterangium clathroides Vittad.
Czech Republic, Zwittau in Mähren