F. Petrak [1-650]

USDA United States National Fungus Collections
Catalog #: BPI 386486
Petrak F. s.n. 11 October 1917
Septoria tanaceti Niessl
USSR, formerly Poland Ukraine, Ivano-Frankovsk (Stanislau), Nadvornaya? (Nadworianska) Bystritsa Bank

USDA United States National Fungus Collections
Catalog #: BPI 617417
Petrak F. s.n. 22 July 1918
Diaporthe valida Nitschke
USSR, Stryj, near Podhorce