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

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0080840
J. Jahn #s.n. 15 September 1915
Ramularia calcea (Desm.) Ces.
Czech Republic, Eger in Böhmen: Konradsgrün