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

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0077718
s.n.
Polyporus umbellatus (Pers.) Fr.

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0080803
F. Petrak #s.n. 25 January 1914
Rhabdospora nigrificans Bubák
Czech Republic, Mähr-Weisskirchen: Ohrensdorf