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

Wisconsin State Herbarium, Fungi
Catalog #: WIS-F-0068559
F. Petrak #s.n. 24 February 1919
Discella carbonacea (Fr.) Berk. & Broome
Czech Republic, Mähr-Weisskirchen: Usti

USDA United States National Fungus Collections
Catalog #: BPI 393253
Petrak F. s.n. 24 February 1919
Discella carbonacea (Fr.) Berk. & Broome
Czechoslovakia, Moravia, Hranice (Maehr.-weisskirchen), Usti