F. Cavara and G. Pollacci [1-350]
USDA United States National Fungus Collections
s.n.
Erysiphe umbelliferarum (Lév.) de Bary
Italy
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USDA United States National Fungus Collections
Cavara s.n.
Erysiphe polygoni DC.
Italy
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USDA United States National Fungus Collections
Cavara s.n.
Erysiphe polygoni DC.
Italy, Lombardy?
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