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

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0077204
s.n.
Pisolithus arenarius Alb. & Schwein.

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0067629
F. Petrak #s.n. 00 August 1930
Coniophora puteana (Schumach.) P. Karst.