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

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0071614
J. Piskor #s.n. 00 May 1930
Leptosphaeria derasa (Berk. & Broome) Thüm.
Czech Republic, Sternberg in Mähren