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

Charles Gardner Shaw Mycological Herbarium, Washington State University
Catalog #: WSP38986
F. Petrak s.n. 24 May 1921
Plasmopara densa (Rabenhorst) J. Schröter
Germany, Maehrische--schlesische Beskidan: Vsetin

USDA United States National Fungus Collections
Catalog #: BPI 187531
Petrak, F. s.n. 24 May 1927
Plasmopara densa (Rabenh.) J. Schröt.
Czechoslovakia, Moravia