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

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0070944
J. Hruby #s.n. 00 September 1925
Heterosporium gracile (Wallr.) Sacc.
Czech Republic, Brünn in Mähren.