F. Cavara and G. Pollacci [1-350]
USDA United States National Fungus Collections
s.n.
Sphaerotheca epilobii (Wallr.) de Bary
Italy
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USDA United States National Fungus Collections
Marozzi s.n.
Sphaerotheca humuli (DC.) Burrill
Unknown
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USDA United States National Fungus Collections
Marozzi s.n.
Sphaerotheca humuli (DC.) Burrill
Unknown
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