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

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0082797
J. Jahn #s.n. 30 March 1913
Sphaeriostromella Bubák
Czech Republic, Eger in Bohmen: Konradsgrunn