| Indigofera excelsa M. Martens & Galeotti, 1843 |
| Indigofera ferruginea Schumach. & Thonn., 1827 |
| Indigofera floresii Cruz Durán & M. Sousa, 2017 |
| Indigofera fruticosa Rose, 1897 |
| Indigofera fusca G. Don, 1832 |
| Indigofera grisea Desv., 1826 |
| Indigofera guatemalensis Moc., Sessé & Cerv. ex Backer, 1908 |
| Indigofera hartwegii Rydb., 1923 |
| Indigofera hirsuta L., 1753 |
| Indigofera hirsutissima M. Sousa & Cruz Durán, 2017 |
| Indigofera hirta Bojer, 1837 |
| Indigofera humboldtiana Spreng., 1826 |
| Indigofera incompta McVaugh, 1987 |
| Indigofera jaliscensis Rose, 1905 |
| Indigofera jamaicensis Spreng., 1826 |
| Indigofera laevis Rydb., 1923 |
| Indigofera lancifolia Rydb., 1923 |
| Indigofera langlassei Rydb., 1923 |
| Indigofera leptosepala Nutt., 1838 |
| Indigofera leptosepala var. angustata S. Watson, 1882 |