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USDA United States National Fungus Collections
Catalog #: BPI 994876
s.n.
Erysiphe penicillata (Wallr.) Link
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USDA United States National Fungus Collections
Catalog #: BPI 556122
Fiedler s.n.
Microsphaera alni (DC.) G. Winter
Germany, Doemitz
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USDA United States National Fungus Collections
Catalog #: BPI 562770
Fliedler s.n.
Erysiphe graminis DC.
Germany, Doemitz
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