| Linanthus uncialis (Brandegee) Moran, 1977 |
| Linanthus veatchii (Parry ex Greene) J.M. Porter & L.A. Johnson, 2000 |
| Linanthus viscainensis Moran, 1977 |
| Loeselia L., 1753 |
| Loeselia amplectens (Hook. & Arn.) Benth., 1845 |
| Loeselia aristata (Kunth) G. Don, 1838 |
| Loeselia caerulea (Cav.) G. Don, 1837 |
| Loeselia campechiana C. Gut. Báez & Duno, 2015 |
| Loeselia ciliata L., 1753 |
| Loeselia coccinea (Cav.) G. Don, 1838 |
| Loeselia coerulea (Cav.) G. Don, 1838 |
| Loeselia conglomerata (Kunth) G. Don, 1838 |
| Loeselia cordifolia Hemsl. & Rose, 1898 |
| Loeselia effusa A. Gray, 1876 |
| Loeselia glandulosa (Cav.) G. Don, 1837 |
| Loeselia gloriosa (Brandegee) I.M. Johnst., 1924 |
| Loeselia greggii S. Watson, 1883 |
| Loeselia guttata A. Gray, 1885 |
| Loeselia hintoniorum B.L. Turner, 1995 |
| Loeselia involucrata G. Don, 1838 |