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

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0076094
F. Petrak #s.n. 16 June 1917
Phoma solidaginis Cooke
Czech Republic, Mähr-Weisskirchen: Ribar