Petrak, Fl. Bohem. Morav. Exs. PilzeF. Petrak [1-2575]
University of Wisconsin-Madison Herbarium
F. Petrak #s.n. 04 November 1923
Boletus piperatus Barla
Czech Republic, Mähr-Weisskirchen: [Olspitz]
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USDA United States National Fungus Collections
Petrak, F. #87 04 November 1923
Boletus piperatus Bull.
Czech Republic, Auf Waldboden Mahr-Weisskirchen, Olspitz
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