Petrak, Fl. Bohem. Morav. Exs. Pilze
F. Petrak [1-2575]

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0077736
s.n.
Polyporus salicinus (Pers.) Fr.

USDA United States National Fungus Collections
Catalog #: BPI 239923
Petrak F. s.n. 22 August 1923
Poria ferruginosa (Schrad.) P. Karst.
Czechoslovakia, Hranice (Maehr-weisskirchen), Skalicka