R. Ciferri [1-425, plus extras]

Purdue University, Kriebel Herbarium
Catalog #: PUL00027254
R Ciferri s.n. 03 March 1930
Oidium eryiphoides
Republica Dominicana, Valle del Cibao, Moca; Estacion Nacional Agronmica in gardens

Purdue University, Kriebel Herbarium
Catalog #: PUL00027255
R Ciferri s.n. 12 March 1931
Oidium eryiphoides
Republica Dominicana, Valle del Cibao, Santiago, Hato del Yaque; Rio Yaque

University of Michigan Herbarium
Catalog #: 326599
R. Ciferri #s. n. 00 November 1930
Oidium verbenae M.B. Schwarz
Dominican Republic, Santiago, Santiago, Valle del Cibao. Quiniqua, road to.

University of Wyoming, Wilhelm G. Solheim Mycological Herbarium
Catalog #: RMS0024413
R. Ciferri #s.n. 00 November 1930
Oidium verbenae M.B. Schwarz
Dominican Republic, Santiago, Valle de Cibao, road to Quiniqua