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

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0075405
R. Steppan #s.n. 00 June 1917
Peronospora radii de Bary
Czech Republic, Laschin in Bohmen: [Schloss]