Rehm, Ascomyc.H. Rehm [1-2175, plus extras]
USDA United States National Fungus Collections
Dearness J. s.n. 00 August 1912
Microsphaera russellii Clinton
Canada, Ontario, London
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Cornell University Plant Pathology Herbarium
John Dearness #3560 00 August 1912
Microsphaera russellii Clinton
Canada, Ontario, Middlesex, London; Near London.
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