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

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0071046
F. Petrak #s.n. 00 September 1913
Helotium herbarum (Pers.) Fr.
Czech Republic, Mähr-Weisskirchen: Mariental.