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

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0072724
s.n.
Melanconium betulinum J.C. Schmidt & Kunze

USDA United States National Fungus Collections
Catalog #: BPI 402169
Petrak F. s.n. 02 November 1912
Melanconium betulinum J.C. Schmidt & Kunze
Czechoslovakia, Moravia, Hranice (Maehr.-weisskirchen), Stritez Nad Ludinou (Ohrensdorf)