| Lotus angustifolius Moc. & Sessé ex DC., 1832 |
| Lotus argensis Coville, 1893 |
| Lotus argophyllus (A. Gray) Greene, 1890 |
| Lotus argophyllus subsp. ornithopus (Greene) P.H. Raven, 1963 |
| Lotus argophyllus var. ornithopus (Greene) Ottley, 1923 |
| Lotus argyraeus (Greene) Greene, 1890 |
| Lotus brachycarpus Hochst. ex Steud., 1841 |
| Lotus bryantii (Brandegee) Ottley, 1944 |
| Lotus cedrosensis Greene, 1890 |
| Lotus chihuahuanus (S. Watson) Greene, 1890 |
| Lotus corniculatus L., 1753 |
| Lotus dendroideus (Greene) Greene, 1890 |
| Lotus denticulatus (Drew) Greene, 1890 |
| Lotus diffusus (A. Gray) A. Heller, 1900 |
| Lotus distichus (Greene) Greene, 1890 |
| Lotus flexuosus Desr., 1792 |
| Lotus glaber Mill., 1768 |
| Lotus grandiflorus (Benth.) Greene, 1890 |
| Lotus greenei (Wooton & Standl.) Ottley, 1939 |
| Lotus guadalupensis Greene, 1890 |