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

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0068460
F. Petrak #s.n. 00 April 1914
Didymella proximella (P. Karst.) Sacc.
Czech Republic, Olomouc, Mähr-Weisskirchen: Ohrensdorf