J.B. Ellis, B.M. Everhart, and E. Bartholomew [1501-5100, plus extras]
USDA United States National Fungus Collections
Dearness, J. s.n. 09 May 1911
Peronospora claytoniae Farl.
Canada, Ontario, London
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USDA United States National Fungus Collections
Dearness, J. #5307 09 May 1911
Peronospora claytoniae Farl.
Canada, Ontario, London
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USDA United States National Fungus Collections
Dearness, J. #s.n. 09 May 1911
Peronospora claytoniae Farl.
Canada, Ontario, London
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USDA United States National Fungus Collections
Dearness, J. #s.n. 09 May 1911
Peronospora claytoniae Farl.
Canada, Ontario, London
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Purdue University, Kriebel Herbarium
J Dearness s.n. 09 May 1911
Peronospora claytoniae Farlow
Canada, Ontario, London;
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University of Florida Herbarium
J Dearness #s.n. 09 May 1911
Peronospora claytoniae Farlow
Canada, Ontario, London;
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Cornell University Plant Pathology Herbarium
Catalog #: F.Columbiani-3441
J. Dearness s.n.
Peronospora Corda
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Charles Gardner Shaw Mycological Herbarium, Washington State University
J. Dearness s.n. 09 May 1911
Peronospora claytoniae Farlow
Canada, Ontario, London
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Michigan State University Herbarium non-lichenized fungi
J. Dearness s.n. 09 May 1911
Peronospora claytoniae Farlow
Canada, Ontario, London;
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Miami University, Willard Sherman Turrell Herbarium
J. Dearness #3441 09 May 1911
Peronospora claytoniae Farl.
Canada, Ontario, London
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University of Michigan Herbarium
J. Dearness #s. n. 09 May 1911
Peronospora claytoniae Farl.
Canada, Ontario, London.
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University of Wisconsin-Madison Herbarium
J. Dearness #s.n. 09 May 1911
Peronospora claytoniae Farl.
Canada, Ontario, London, London;
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