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USDA United States National Fungus Collections
Catalog #: BPI 994870
s.n.
Erysiphe communis (Wallr.) Schltdl.
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USDA United States National Fungus Collections
Catalog #: BPI 995406
s.n.
Erysiphe circumfusa (Schltdl.) Schltdl.
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USDA United States National Fungus Collections
Catalog #: BPI 560311
Lasch s.n.
Erysiphe cichoracearum DC.
Poland, Driesen
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