Petrak, Fl. Bohem. Morav. Exs. PilzeF. Petrak [1-2575]
University of Wisconsin-Madison Herbarium
s.n.
Polyporus caesius (Schrad.) Fr.
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USDA United States National Fungus Collections
Petrak F. s.n. 02 November 1923
Polyporus caesius (Schrad.) Fr.
Czechoslovakia, Hranice (Maehr.-weisskirkchen), Stritez Nad Ludinou (Ohrensdorf)
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