C. Roumeguere [1-7400]
Cornell University Plant Pathology Herbarium
Catalog #: Roum.,F.Gallici-2658
s.n.
Erysiphe compositarum f. Carduorum
France
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USDA United States National Fungus Collections
s.n.
Erysiphe compositarum Duby
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University of Illinois Herbarium
Feuilleaubois 486 s.n. 00 May 1881
Erysiphe compositarum f. carduorum
France, (Seine-et-Marne), Chailly,
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