Petrak, Fl. Bohem. Morav. Exs. PilzeF. Petrak [1-2575]
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University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0077392
s.n.
Polyporus annosus Fr.
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USDA United States National Fungus Collections
Catalog #: BPI 226933
Petrak F. s.n. 00 October 1925
Fomes annosus (Fr.) Cooke
Czechoslovakia, Hranice, (Maehr.-weisskirchen), Usti
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