P. Sydow [1-350]

USDA United States National Fungus Collections
Catalog #: BPI 1029382
s.n.
Peronospora polygoni Halst.

USDA United States National Fungus Collections
Catalog #: BPI 1029383
s.n.
Peronospora polygoni Halst.

USDA United States National Fungus Collections
Catalog #: BPI 789793
Sydow, P. s.n. 04 August 1900
Peronospora polygoni Halst.
Germany, Zehlendorf, Berlin