H.G. Winter [2601-3600, plus extras]
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USDA United States National Fungus Collections
Catalog #: BPI 1001258
s.n.
Oidium leucoconium Desm.
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USDA United States National Fungus Collections
Catalog #: BPI 1001259
s.n.
Oidium leucoconium Desm.
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