Petrak, Fl. Bohem. Morav. Exs. PilzeF. Petrak [1-2575]
USDA United States National Fungus Collections
s.n.
Peronospora violae de Bary
Czech Republic
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University of Wisconsin-Madison Herbarium
J. Hruby #s.n. 00 May 1930
Peronospora violae de Bary
Czech Republic, Brünn in Mähren
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