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

Cornell University, Plant Pathology Herbarium
Catalog #: S.E.,Econ.F.0357
F.L. Stevens s.n. 09 July 1892
Peronospora effusa (Grev.) Rabh.
United States, New York, Onondaga, Syracuse;