C. Roumeguere [1-7400]
USDA United States National Fungus Collections
s.n.
Erysiphe communis (Wallr.) Schltdl.
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USDA United States National Fungus Collections
s.n.
Erysiphe communis (Wallr.) Schltdl.
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University of Illinois Herbarium
Abb Letendre s.n. 00 September 1885
Erusiphe communis forma trifolii
France, (Seine-Infrieure), Champs cultivs Saint-Jouin-sur-Mer,
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