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

University of North Carolina at Chapel Hill Herbarium
Catalog #: NCU-F-0018614
Dearness, John #s.n. 01 July 1891
Peronospora lophanthi Farl.
Canada, Ontario, Middlesex, London, Canada

Washington State University, Charles Gardner Shaw Mycological Herbarium
Catalog #: WSP28993
J. Dearness s.n. 01 July 1891
Peronspora lophanthi
Canada, Ontario, London

University of Nebraska State Museum, C.E. Bessey Herbarium
Catalog #: NEB00062171
J. Dearness s.n. 01 July 1891
Peronospora lophanthi Farlow
Canada, London;

Michigan State University Herbarium
Catalog #: MSC0214831
J. Dearness s.n. 01 July 1891
Peronospora lophanthi Farlow
Canada, London

Miami University, Willard Sherman Turrell Herbarium
Catalog #: 000274578
J. Dearness #A5 01 July 1891
Peronospora lophanthi Farl.
Canada, Ontario, Middlesex, London