List of Phacelia species. This plant genus is in the family Boraginaceae, basal in one of the 2 main euasterid lineages, as per Angiosperm Phylogeny Group. It is usually placed in the Hydrophylloideae subfamily.
This is a list of binomial names, including both accepted species and synonyms.
Source: Index Kewensis (at IPNI) and ITIS.