C. Roumeguere [1-7400]
University of Illinois Herbarium
s.n.
Oidium erysiphoides forma leucanthemi
France, (Eure-et-Loir), Dreux,
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USDA United States National Fungus Collections
s.n.
Oidium erysiphoides Fr.
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USDA United States National Fungus Collections
s.n.
Oidium erysiphoides Fr.
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