C. Roumeguere [1-7400]
Cornell University Plant Pathology Herbarium
Catalog #: Roum.,F.Gallici-1932
s.n.
Erysiphe R. Hedw. ex DC.
France
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USDA United States National Fungus Collections
s.n.
Erysiphe communis f. calendulae Jacz.
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University of Illinois Herbarium
Paul Brunaud s.n. 00 September 1881
Erysiphe communis v. calendulae
France, (Charente Inf.), Saintes,
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