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

USDA United States National Fungus Collections
Catalog #: BPI 1038108
s.n.
Peronospora alsinearum Casp.

University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
Catalog #: NEB00061777
Tycho Vestergren s.n. 00 September 1898
Peronospora alsinearum Caspary
Sweden, Gotland, Eriks par. Bro