R. Ciferri [1-425, plus extras]

Cornell University, Plant Pathology Herbarium
Catalog #: Ciferri,M.Dom.0139
s.n.
Oidium erysiphoides f. cassiae Sacc.
Dominican Republic

USDA United States National Fungus Collections
Catalog #: BPI 949519
s.n.
Oidium erysiphoides Fr.
Dominican Republic

Purdue University, Kriebel Herbarium
Catalog #: PUL00027337
R Ciferri s.n. 06 March 1931
Oidium erysiphoides Fr.
Republica Dominicana, Valle del Cibao, Santiago, Hato del Yaque; in fields

University of Michigan Herbarium
Catalog #: 326539
R. Ciferri #s. n. 06 March 1931
Oidium erysiphoides f. cassiae Sacc.
Dominican Republic, Santiago, Valle del Cibao, Santiago, Hato del Yaque