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

Wisconsin State Herbarium, Fungi
Catalog #: WIS-F-0074068
s.n.
Peronospora viciae (Berk.) de Bary

USDA United States National Fungus Collections
Catalog #: BPI 791749
Petrak, F. s.n. 28 June 1921
Peronospora viciae (Berk.) de Bary
Czechoslovakia, Mahr.-Weisskirchen garden