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

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0076813
F. Petrak #s.n. 22 September 1924
Phyllosticta populi-nigrae (Allesch.) Allesch.

USDA United States National Fungus Collections
Catalog #: BPI 360707
Petrak F. s.n. 22 September 1924
Stictochorella populi-nigrae (Allesch.) Petr.
Czechoslovakia, Hranice (Maehr.-weisskirchen), Cernotin