Petrak, Fl. Bohem. Morav. Exs. Pilze
F. Petrak [1-2575]

USDA United States National Fungus Collections
Catalog #: BPI 790410
Eichler, G. A. s.n. 00 July 1893
Peronospora parasitica (Persoon) de Bary
Czechoslovakia, Teplitz, Schonau, Bohemia