L. Fuckel [1-2700]
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USDA United States National Fungus Collections
Catalog #: BPI 969507
s.n.
Erysiphe communis (Wallr.) Schltdl.
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USDA United States National Fungus Collections
Catalog #: BPI 565407
Fuckel s.n.
Erysiphe polygoni DC.
Germany, Oestrich
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