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

New York Botanical Garden
Catalog #: 1960408
2f69be44-64bc-45b6-ab3e-a47959260208
H. L. Merrow #s.n. 04 July 1892
Peronospora effusa (Grev.) Tul.
United States of America, Michigan, Washtenaw Co., Ann Arbor

University of Florida Herbarium
Catalog #: FLAS-F-00998
HL Merrow #s.n. 04 July 1892
Peronospora effusa (Greville) Rabenhorst
USA, Michigan, Washtenaw, Ann Arbor;