R. Ciferri [1-425, plus extras]

Cornell University, Plant Pathology Herbarium
Catalog #: Ciferri,M.Dom.0111
s.n.
Guignardia Viala & Ravaz
Dominican Republic

Purdue University, Kriebel Herbarium
Catalog #: PUL00027321
EL Ekman and R Ciferri s.n. 03 December 1930
Guignardia pipericola F. Stevens
Republica Dominicana, Cordillera Septentrional, Santiago, Las Lagunas, Pozo Hediondo