| Gilia stewartii I.M. Johnst., 1943 |
| Gilia tenuiflora Benth., 1833 |
| Gilia tenuiflora var. caruifolia (Abrams) Munz, 1935 |
| Giliastrum (Brand) Rydb., 1917 |
| Giliastrum gypsophilum (B.L. Turner) J.M. Porter, 1998 |
| Giliastrum incisum (Benth.) J.M. Porter, 1998 |
| Giliastrum insigne (Brand) J.M. Porter, 1998 |
| Giliastrum ludens (Shinners) J.M. Porter, 1998 |
| Giliastrum purpusii (Brandegee) J.M. Porter, 1998 |
| Giliastrum rigidulum (Benth.) Rydb., 1917 |
| Giliastrum stewartii (I.M. Johnst.) J.M. Porter, 2015 |
| Hoitzia Juss., 1789 |
| Hoitzia amplectens Hook. & Arn., 1841 |
| Hoitzia aristata Kunth, 1819 |
| Hoitzia capitata Willd. ex Roem. & Schult., 1819 |
| Hoitzia cervantesii Kunth, 1819 |
| Hoitzia coccinea Cav., 1797 |
| Hoitzia coerulea Cav., 1797 |
| Hoitzia conglomerata Kunth, 1819 |
| Hoitzia elata Hook. & Arn., 1841 |