F. Petrak [1-650]

USDA United States National Fungus Collections
Catalog #: BPI 404212
Petrak F. s.n. 17 October 1917
Marssonina potentillae (Desm.) Magnus
USSR, formerly Poland Ukraine, Ivano-Frankovsk (Stanislau), By the Bystritsa Nadvornyanskaya, near Ugorniki