| Hymenaea courbaril L., 1753 |
| Ichthyomethia P. Browne, 1756 |
| Ichthyomethia acuminata S.F. Blake, 1919 |
| Ichthyomethia americana (Sessé & Moc.) S.F. Blake, 1919 |
| Ichthyomethia mollis (Rose) S.F. Blake, 1919 |
| Ichthyomethia piscipula Hitchc. ex Sarg., 1891 |
| Indigofera L., 1753 |
| Indigofera acasonicae Brandegee, 1920 |
| Indigofera acutifolia Schltdl., 1838 |
| Indigofera anil L., 1771 |
| Indigofera anil var. oligophylla DC., 1825 |
| Indigofera argentata I.M. Johnst., 1924 |
| Indigofera argentata Rydb., 1923 |
| Indigofera atropurpurea Sessé & Moc., 1889 |
| Indigofera brevipes (S. Watson) Rydb., 1923 |
| Indigofera chamissoniana D. Dietr., 1847 |
| Indigofera cinerea Buckley, 1862 |
| Indigofera constricta Rydb., 1923 |
| Indigofera constricta var. deorum McVaugh, 1987 |
| Indigofera conzattii Rose, 1905 |