Constantinescu & Negrean, Herb. Mycol. Roman.O. Constantinescu ; G. Negrean [1851-3000]
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Cornell University Plant Pathology Herbarium
Catalog #: Herb.Myc.Rom.2532
s.n.
Erysiphe trifolii Grev.
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USDA United States National Fungus Collections
Catalog #: BPI 1006244
s.n.
Erysiphe trifolii Grev.
Romania
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