| Petalostemon sonorae Rydb., 1920 |
| Petalostemon tripetalus Paul G. Wilson, 1958 |
| Petalostemon truncatus Rydb., 1920 |
| Peteria A. Gray, 1852 |
| Peteria glandulosa (A. Gray ex S. Watson) Rydb., 1923 |
| Peteria pinetorum Ced. Porter, 1956 |
| Peteria scoparia A. Gray, 1852 |
| Peteria scoparia var. glandulosa A. Gray ex S. Watson, 1882 |
| Phaca L., 1753 |
| Phaca allochroa (A. Gray) Rydb., 1917 |
| Phaca arenicola Rydb., 1929 |
| Phaca arida (A. Gray) Rydb., 1929 |
| Phaca bajaensis (E. Sheld.) Rydb., 1929 |
| Phaca candidissima Benth., 1844 |
| 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 |