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

USDA United States National Fungus Collections
Catalog #: BPI 990783
s.n.
Polyporus umbellatus (Pers.) Fr.
Czech Republic

USDA United States National Fungus Collections
Catalog #: BPI 223293
Petrak F. s.n. 25 August 1914
Polyporus umbellatus (Pers.) Fr.
Czechoslovakia, Hranice (Maehr.-weisskirchen), Podhorn