R. Ciferri [1-425, plus extras]
Cornell University Plant Pathology Herbarium
Catalog #: Ciferri,M.Dom.0240a
R. Ciferri s.n. 06 May 1931
Sphaerotheca humuli (DC.) Burrill
Dominican Republic, Puerto Plata, Cordillera Septentrional, road to Puerto Plata
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