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

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0073833
s.n.
Mycosphaerella equiseti (Fuckel) J. Schröt.

USDA United States National Fungus Collections
Catalog #: BPI 607985
Jahn J. s.n. 06 May 1917
Mycosphaerella equiseti (Fuckel) J. Schröt.
Czechoslovakia, Eger, Bohemia, Konradsgruen