P.A. Saccardo [1-1600]
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USDA United States National Fungus Collections
Catalog #: BPI 604898
s.n. 00 September 1874
Sphaerotheca humuli (DC.) Burrill
Italy, Selva (Treviso)
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USDA United States National Fungus Collections
Catalog #: BPI 1016037
s.n.
Sphaerotheca castagnei Lév.
Italy
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