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

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0067782
F. Petrak #s.n. 21 June 1924
Cryptodidymosphaeria conoidea (Niessl) Höhn.

USDA United States National Fungus Collections
Catalog #: BPI 617761
Petrak F. s.n. 21 June 1924
Didymosphaeria conoidea Niessl
Germany, Hranice (Maehr.-weisskirchen), Skalicka