J.B. Ellis, B.M. Everhart, and E. Bartholomew [1501-5100, plus extras]
Purdue University, Kriebel Herbarium
J Dearness s.n.
Peronospora halstedii Farlow
Canada, Ontario, London;
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Cornell University Plant Pathology Herbarium
Catalog #: F.Columbiani-0132d
J. Dearness s.n.
Peronospora halstedii Farlow
Canada, Ontario, London;
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University of Wisconsin-Madison Herbarium
J. Dearness #s.n.
Plasmopara halstedii Fungi Columb. #132d
Canada, Ontario, London;
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