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

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0071943
H. Zimmermann #s.n. 00 September 1913
Leptothyrium alneum (Pers. ex Lév.) Sacc.
Czech Republic, Kromau in Mähren