Economic Fungi #258 a.

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

New York Botanical Garden
Catalog #: 1960637
db7c1f6e-8645-495f-bb3a-0f783e51ac6f
A. B. Seymour #s.n. 13 April 1882
Peronospora lepidii (McAlpine) G.W.Wilson
United States of America, Illinois, Union Co., Cobden