A.B. Seymour and F.S. Earle [1-550, plus extras]

USDA United States National Fungus Collections
Catalog #: BPI 1020565
s.n.
Peronospora halstedii Farl.

USDA United States National Fungus Collections
Catalog #: BPI 1020566
s.n.
Peronospora halstedii Farl.

Cornell University Plant Pathology Herbarium
Catalog #: S.E.,Econ.F.0308
B. D. Halsted s.n. 17 August 1892
Peronospora halstedii Farlow
United States, New Jersey, Monmouth, Asbury Park;

Miami University, Willard Sherman Turrell Herbarium
Catalog #: 000288594
Byron D. Halsted #308 17 August 1892
Peronospora halstedii Farl.
United States, New Jersey, Monmouth, Asbury Park, N. J. [New Jersey]; 40.220391 -74.012082

Miami University, Willard Sherman Turrell Herbarium
Catalog #: 000288600
Summer Class in Cryptogamic Botany #308 b 19 July 1890
Peronospora halstedii Farl.
United States, Massachusetts, Monmouth, Jamaica Plain