Petrak, Crypt. Exs.
F. Petrak [3201- 4700]

USDA United States National Fungus Collections
Catalog #: BPI 1042551
s.n.
Marssonina potentillae (Desm.) Magnus
Hungary

USDA United States National Fungus Collections
Catalog #: BPI 1042622
s.n.
Marssonina potentillae (Desm.) Magnus
Hungary

Field Museum of Natural History
Catalog #: C0280663F
f4c61095-cf18-4a2d-b200-6932fcb9eaea
F. Petrak #s.n. 00 August 1940
Marssonina potentillae (Desm.) Magnus (Desm.) Magnus
Czech Republic, Olomouc, Prerov, On the road near Usti, near Hranice [Mährisch Weißkirchen, Moravia]