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

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0073110
F. Petrak #s.n. 00 April 1936
Melanospora chionea (Fr.) Corda
Czech Republic, Mähr-Weisskirche, Bartelsdorf