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

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0005171
F. Petrak #s.n. 20 August 1924
Ascochyta petasitidis Petr.
Czech Republic, Mähr-Weisskirchen. Podhorn

USDA United States National Fungus Collections
Catalog #: BPI 371908
Petrak F. s.n. 20 August 1924
Ascochyta petasitidis Petr.
Czechoslovakia, Moravia, Hranice (Maehr.-weisskirchen), Podhorn