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

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0068776
F. Petrak #s.n. 24 February 1919
Diatrypella exigua G. Winter
Czech Republic, Mähr-Weisskirchen: Usti