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

USDA United States National Fungus Collections
Catalog #: BPI 609280
Petrak F. s.n. 00 May 1924
Mycosphaerella populi (Auersw.) J. Schröt.
Czechoslovakia, Beskids, Becva, near Vsetin