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

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0080309
F. Petrak #s.n. 23 July 1916
Pyrenophora calvescens var. moravica Petr.
Czech Republic, Mähr-Weisskirchen: Garten