C. Roumeguere [1-7400]
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USDA United States National Fungus Collections
Catalog #: BPI 1010349
s.n.
Oidium erysiphoides Fr.
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University of Illinois Herbarium
Catalog #: ILL00216788
Feuilleaubois 810 s.n. 00 August 1885
Oidium erysiphoides forma lactucae muralis
France, (Seine-et-Marne), Fort de Fontainebleau,
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