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

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0086138
R. Steppan #s.n. 00 June 1913
Valsa ambiens (Pers.) Fr.
Czech Republic, Luditz in Bohmen: Krasch