Petrak, Fl. Bohem. Morav. Exs. PilzeF. Petrak [1-2575]
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University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0075478
s.n.
Peronospora vexans Gäum.
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USDA United States National Fungus Collections
Catalog #: BPI 990996
J. Hruby #s.n. 00 August 1930
Peronospora vexans Gäum.
Czech Republic, Brünn in Mähren
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