J.T.C. Vestergren [1-1800, plus extras]

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0075387
s.n.
Peronospora polygoni Halst.

USDA United States National Fungus Collections
Catalog #: BPI 789748
Hariot, P. s.n. 16 May 1911
Peronospora polygoni Halst.
France, Gallia, Chalons-sur-Marne

USDA United States National Fungus Collections
Catalog #: BPI 1039746
Hariot, P. s.n. 16 May 1911
Peronospora polygoni Halst.
France, Gallia, Chalons-sur-Marne

Purdue University, Kriebel Herbarium
Catalog #: PUL00025899
P Hariot s.n. 16 May 1911
Peronospora polygoni Halsted
Gallia, Chalons-sur-Marne

University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
Catalog #: NEB00062689
P. Hariot s.n. 16 May 1911
Peronospora polygoni Halsted
France, Gallia: Chalons-sur-Marne