Petrak, Fl. Bohem. Morav. Exs. PilzeF. Petrak [1-2575]
University of Wisconsin-Madison Herbarium
J. Piskor #s.n. 00 June 1923
Peronospora leptosperma de Bary
Czech Republic, Olomouc, Šternberk in Mahren [Sternberg, Moravia]
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USDA United States National Fungus Collections
Piskorz, J. s.n. 00 June 1923
Peronospora leptosperma de Bary
Czechoslovakia, Sternberg, Moravia
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