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

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0075572
J. Piskor #s.n. 00 June 1923
Peronospora leptosperma de Bary
Czech Republic, Olomouc, Šternberk in Mahren [Sternberg, Moravia]