| 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 |
| Phaca pomonensis (M.E. Jones) Rydb., 1929 |
| Phaca prorifera (M.E. Jones) Rydb., 1929 |
| Phaca pseudoocarpa Rydb., 1929 |
| Phaca quinquiflora (S. Watson) Rydb., 1929 |
| Phaca sabulonum (A. Gray) Rydb., 1913 |
| Phaca scalaris (S. Watson) Rydb., 1929 |
| Phaca stenophylla (Torr. & A. Gray) Piper, 1906 |
| Phaca tejonensis (M.E. Jones) A. Heller, 1905 |
| Phaca topoensis Rydb., 1929 |
| Phaca tracyi Rydb., 1929 |
| Phaca triflora DC., 1802 |
| Phaca vallicola Rydb., 1929 |
| Phaca vaseyi (S. Watson) Rydb., 1929 |