| Indigofera leptosepala var. brevipes S. Watson, 1882 |
| Indigofera lespedezioides Kunth, 1823 |
| Indigofera lindheimeriana Scheele, 1848 |
| Indigofera macilenta Standl., 1940 |
| Indigofera magallanesii Cruz Durán & M. Sousa, 2017 |
| Indigofera mariosousae Rzed.& R. Grether, 2018 |
| Indigofera matudae Lundell, 1938 |
| Indigofera mexicana Benth., 1848 |
| Indigofera microcarpa Desv., 1814 |
| Indigofera miniata Ortega, 1798 |
| Indigofera miniata var. leptosepala (Nutt. ex Torr. & A. Gray) B.L. Turner, 1956 |
| Indigofera mollicoma N.E. Br., 1932 |
| Indigofera montana Rose, 1905 |
| Indigofera mucronata Lam., 1789 |
| Indigofera nana Rydb., 1923 |
| Indigofera nelsonii Rydb., 1923 |
| Indigofera ornithopodioides Schumach. & Thonn., 1827 |
| Indigofera palmeri S. Watson, 1887 |
| Indigofera pascuorum Benth., 1839 |
| Indigofera platycarpa Rose, 1903 |