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

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0068653
J. Petrak #s.n. 16 January 1920
Discula platani (Peck) Sacc.
Czech Republic, Mähr-Weisskirchen: Mil.-Oberrealschule