Petrak, Mycoth. Carp.
Petrak, F. [1-475]
IndExs #641513049

USDA United States National Fungus Collections
Catalog #: BPI 152362
Petrak F. s.n. 24 May 1917
Aecidium isopyri J. Schröt.
USSR, Stryy (Stryj), between Strzalkow and Podhorce, Ukraine Woods