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

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0075784
J. Hruby #s.n. 00 May 1930
Peronospora violae de Bary
Czech Republic, Brünn in Mähren