The following nomenclatural combinations in Phacelia (Boraginaceae) are established: P. campanularia A. Gray var. vasiformis (G. W. Gillett) Walden & R. Patterson, stat. nov.; P. imbricata Greene var. bernardina (Greene) Walden & R. Patterson, stat. nov.; P. imbricata Greene var. patula (Greene) Walden & R. Patterson, stat. nov.; and P. nemoralis Greene var. oregonensis (Heckard) Walden & R. Patterson, stat. nov. Typification and clarification of nomenclature is provided for Phacelia floribunda Greene and Phacelia phyllomanica A. Gray. Synonymies are provided for all names.