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

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0074314
F. Petrak #s.n. 18 May 1924
Haplaria grisea Link
Czech Republic, Mähr-Weisskirchen. Czernotin