P. Sydow [1-350]
USDA United States National Fungus Collections
Dearness, J. s.n. 24 August 1912
Peronospora arthurii Farl.
Canada, Ontario, London near
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New York Botanical Garden
Catalog #: 1959665
beeceea1-6964-4245-b6e8-ad59fb4ccc9b
J. Dearness #s.n. 24 August 1912
Peronospora arthurii Farl.
Canada, Ontario, London
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