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

USDA United States National Fungus Collections
Catalog #: BPI 790075
Dearness, J. s.n. 18 May 1911
Peronospora parasitica (Persoon) de Bary
Canada, Ontario, London

USDA United States National Fungus Collections
Catalog #: BPI 790073
Dearness, J. #5400 18 May 1911
Peronospora parasitica (Persoon) de Bary
Canada, Ontario, London

USDA United States National Fungus Collections
Catalog #: BPI 965695
Dearness, J. #s.n. 18 May 1911
Peronospora parasitica (Persoon) de Bary
Canada, Ontario, London

Purdue University, Kriebel Herbarium
Catalog #: PUL00020921
J Dearness s.n. 18 May 1911
Peronospora parasitica (Persoon) de Bary
Canada, Ontario, London;

Cornell University Plant Pathology Herbarium
Catalog #: F.Columbiani-3534
J. Dearness s.n. 18 May 1911
Peronospora parasitica (Persoon) de Bary
Canada, Ontario, London;

Charles Gardner Shaw Mycological Herbarium, Washington State University
Catalog #: WSP5018
J. Dearness s.n. 18 May 1911
Peronospora parasitica (Persoon) de Bary
Canada, Ontario, London

University of Florida Herbarium
Catalog #: FLAS-F-00852
J. Dearness s.n. 18 May 1911
Peronospora parasitica (Persoon) de Bary
Canada, Ontario, Middlesex, London

Michigan State University Herbarium non-lichenized fungi
Catalog #: MSC0250271
J. Dearness s.n. 18 May 1911
Peronospora parasitica (Persoon) de Bary
Canada, Ontario, London;

Miami University, Willard Sherman Turrell Herbarium
Catalog #: 000280171
J. Dearness #3534 18 May 1911
Peronospora parasitica (Pers.) Fr.
Canada, Ontario, London

University of Michigan Herbarium
Catalog #: 336150
J. Dearness #s. n. 18 May 1911
Peronospora parasitica (Persoon) de Bary
Canada, Ontario, London

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0027245
J. Dearness #s.n. 18 May 1911
Peronospora parasitica (Pers.) DeBy.
Canada, Ontario, London;