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

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0076902
s.n.
Physoderma gerhardtii J. Schröt.

USDA United States National Fungus Collections
Catalog #: BPI 795709
Petrak, F. s.n. 06 September 1923
Physoderma gerhardtii J. Schröt.
Czechoslovakia, Mahr-Weisskirchen, Leipnik