Petrak, Fl. Bohem. Morav. Exs. PilzeF. Petrak [1-2575]
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USDA United States National Fungus Collections
Catalog #: BPI 418413
Petrak J. s.n. 07 September 1924
Ramularia parietariae Pass.
Czechoslovakia, Moravia, Breclav (Lundenburg)
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