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

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0069003
F. Petrak #s.n. 07 August 1914
Didymella rehmii (J. Kunze) Sacc.
Czech Republic, Mahr-Weisskirchen: Jesenik