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

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0065736
F. Petrak #s.n. 10 August 1924
Apostemidium guernisaci (P. Crouan & H. Crouan) Boud.
Czech Republic, Hochgesenke. Ramsau