| Phaca candolliana Kunth, 1823 |
| Phaca crotalariae Benth., 1848 |
| Phaca douglasii Torr. & A. Gray, 1838 |
| Phaca fastidia Kellogg, 1860 |
| Phaca fendleri A. Gray, 1849 |
| Phaca glaberrima (M.E. Jones) Rydb., 1929 |
| Phaca gracilenta A. Gray, 1849 |
| Phaca hornii (A. Gray) Rydb., 1929 |
| Phaca inepta (A. Gray) Rydb., 1900 |
| Phaca insularis (Kellogg) Rydb., 1929 |
| Phaca lerdoensis Rydb., 1929 |
| Phaca leucopsis Torr. & A. Gray, 1840 |
| Phaca lotiflora (Hook.) Torr. & A. Gray, 1838 |
| Phaca megalophysa Rydb., 1929 |
| Phaca metana (M.E. Jones) Rydb., 1929 |
| Phaca nivea Rydb., 1929 |
| Phaca palmeri (A. Gray) Rydb., 1929 |
| Phaca parishii (A. Gray) Rydb., 1929 |
| Phaca perstricta Rydb., 1929 |
| Phaca piscina (M.E. Jones) Rydb., 1929 |