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

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0072537
F. Petrak #s.n. 26 September 1920
Macrophoma cylindrospora (Desm.) Berl. & Voglino
Czech Republic, Mähr-Weisskirchen:Svrcov

Iowa State University, Ada Hayden Herbarium
Catalog #: ISC-F-0122438
F. Petrak #s.n. 22 September 1910
Ascochyta colytegiae
Czech Republic, Moravia