Petrak, Fl. Bohem. Morav. Exs. PilzeF. Petrak [1-2575]
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University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0081895
F. Petrak #s.n. 02 September 1923
Septoria fagi Auersw.
Czech Republic, Hochgesenke: Ob.-Mohratal
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USDA United States National Fungus Collections
Catalog #: BPI 379636
Petrak F. s.n. 02 September 1923
Septoria fagi Auersw.
Czechoslovakia, Hruby Jesenik (Hochgesenke), Upper Moravice (Mohrau) Valley
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