J.B. Ellis, B.M. Everhart, and E. Bartholomew [1501-5100, plus extras]

USDA United States National Fungus Collections
Catalog #: BPI 790102
Dearness, J. s.n. 00 June 1911
Peronospora parasitica (Persoon) de Bary
Canada, Ontario, London

USDA United States National Fungus Collections
Catalog #: BPI 790091
Dearness, J. #5399 00 June 1911
Peronospora parasitica (Persoon) de Bary
Canada, Ontario, London

USDA United States National Fungus Collections
Catalog #: BPI 965694
Dearness, J. #s.n. 00 June 1911
Peronospora parasitica (Persoon) de Bary
Canada, Ontario, London

Purdue University, Kriebel Herbarium
Catalog #: PUL00020920
J Dearness s.n. 00 June 1911
Peronospora parasitica (Persoon) de Bary
Canada, Ontario, London;

Cornell University Plant Pathology Herbarium
Catalog #: F.Columbiani-3533
J. Dearness s.n. 00 June 1911
Peronospora parasitica (Persoon) de Bary
Canada, Ontario, London;

Charles Gardner Shaw Mycological Herbarium, Washington State University
Catalog #: WSP5024
J. Dearness s.n. 00 June 1911
Peronospora parasitica (Persoon) de Bary
Canada, Ontario, London

University of Florida Herbarium
Catalog #: FLAS-F-00853
J. Dearness s.n. 00 June 1911
Peronospora parasitica (Persoon) de Bary
Canada, Ontario, Middlesex, London

Michigan State University Herbarium non-lichenized fungi
Catalog #: MSC0250270
J. Dearness s.n. 00 June 1911
Peronospora parasitica (Persoon) de Bary
Canada, London;

Miami University, Willard Sherman Turrell Herbarium
Catalog #: 000280173
J. Dearness #3533 00 June 1911
Peronospora parasitica (Pers.) Fr.
Canada, Ontario, London

University of Michigan Herbarium
Catalog #: 336144
J. Dearness #s. n. 00 June 1911
Peronospora parasitica (Persoon) de Bary
Canada, Ontario, London

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0027244
J. Dearness #s.n. 00 June 1911
Peronospora parasitica (Pers.) DeBy
Canada, Ontario, London;