Petrak, Fl. Bohem. Morav. Exs. PilzeF. Petrak [1-2575]
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USDA United States National Fungus Collections
Catalog #: BPI 615970
Petrak F. s.n. 30 October 1911
Diaporthe crataegi Fuckel
Czechoslovakia, Hranice (Maehr.-weisskirchen), Welka
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USDA United States National Fungus Collections
Catalog #: BPI 625529
Petrak F. s.n. 01 March 1912
Pleospora herbarum
Czechoslovakia, Hranice (Maehr.-weisskirchen), Nordbahndamm
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