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

Wisconsin State Herbarium, Fungi
Catalog #: WIS-F-0074188
s.n.
Myxofusicoccum obtusulum (Sacc. & Briard) Died.

USDA United States National Fungus Collections
Catalog #: BPI 363705
Petrak F. s.n. 02 March 1923
Myxofusicoccum obtusulum (Sacc. & Briard) Died.
Czechoslovakia, Hranice (Maehr.-weisskirchen), Teplice