| Ipomopsis pinnata (Cav.) V.E. Grant, 1956 |
| Ipomopsis polycladon (Torr.) V.E. Grant, 1956 |
| Ipomopsis pringlei (A. Gray) Henrickson, 1987 |
| Ipomopsis sonorae (Rose) V.E. Grant, 1956 |
| Ipomopsis tenuifolia (A. Gray) V.E. Grant, 1956 |
| Ipomopsis thurberi (Torr. ex A. Gray) V.E. Grant, 1956 |
| Ipomopsis wendtii Henrickson, 1987 |
| Langloisia Greene, 1896 |
| Langloisia matthewsii (A. Gray) Greene, 1896 |
| Langloisia schottii (Torr.) Greene, 1896 |
| Langloisia setosissima (Torr.) Greene, 1896 |
| Leptodactylon Hook. & Arn., 1839 |
| Leptodactylon pungens (Torr.) Rydb., 1848 |
| Leptodactylon veatchii (Parry ex Greene) Wherry, 1945 |
| Leptosiphon Benth., 1833 |
| Leptosiphon floribundus (A. Gray) J.M. Porter & L.A. Johnson, 2000 |
| Leptosiphon pygmaeus (Brand) J.M. Porter & L.A. Johnson, 2000 |
| Leptosiphon pygmaeus subsp. pygmaeus (Brand) J.M. Porter & L.A. Johnson, 2000 |
| Linanthus Benth., 1833 |
| Linanthus aureus (Nutt.) Greene, 1892 |