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

USDA United States National Fungus Collections
Catalog #: BPI 990898
s.n.
Diaporthe ludwigiana Petr.
Czech Republic

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0068359
F. Petrak #s.n. 00 October 1935
Diaporthe ludwigiana Petr.