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

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0081889
F. Petrak #s.n. 06 September 1923
Septoria equiseti Desm.
Czech Republic, Mähr-Weisskirchen: Leipnitz

USDA United States National Fungus Collections
Catalog #: BPI 379453
Petrak F. s.n. 06 September 1923
Septoria equiseti Desm.
Czechoslovakia, Moravia, Hranice (Maehr.-weisskirchen), Lipnik Nad Becvou