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

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0081452
F. Petrak #s.n. 06 June 1914
Ramularia stachydis (Pass.) C. Massal.
Czech Republic, Bisenz in Mahren