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

USDA United States National Fungus Collections
Catalog #: BPI 388128
Petrak F. s.n. 20 August 1912
Phloeospora ulmi (Fr.) Wallr.
Czechoslovakia, Moravia, Hranice (Maehr.-weisskirchen), Hoellenschlucht, near Podhorn