P. Sydow [1-350]
USDA United States National Fungus Collections
Dearness, J. s.n. 00 July 1912
Kuehneola duchesneae Arthur
Canada, Ontario, London near
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Charles Gardner Shaw Mycological Herbarium, Washington State University
J. Dearness s.n. 00 July 1912
Peronospora potentillae de Bary
Canada, Ontario, London
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