| Mimosa purpurascens B.L. Rob., 1898 |
| Mimosa purpusii Brandegee, 1909 |
| Mimosa pusilla Benth., 1844 |
| Mimosa quadrivalvis L., 1753 |
| Mimosa quadrivalvis var. diffusa (Rose) Beard ex Barneby, 1991 |
| Mimosa quadrivalvis var. distachya (Moc. & Sessé ex DC.) Barneby, 1991 |
| Mimosa quadrivalvis var. latidens (Small) Barneby, 1991 |
| Mimosa quadrivalvis var. nelsonii (Britton & Rose) Barneby, 1991 |
| Mimosa quadrivalvis var. nuttallii (DC.) Barneby, 1991 |
| Mimosa quadrivalvis var. occidentalis (Wooton & Standl.) Barneby, 1991 |
| Mimosa quadrivalvis var. paucijuga (Britton & Rose) Beard ex Barneby, 1991 |
| Mimosa quadrivalvis var. quadrivalvis L., 1753 |
| Mimosa recordii Britton & Rose, 1928 |
| Mimosa rekoana Britton, 1928 |
| Mimosa remota Benth., 1846 |
| Mimosa resinifera Britton, 1928 |
| Mimosa rhodocarpa (Britton & Rose) R. Grether, 1987 |
| Mimosa rhododactyla B.L. Rob., 1904 |
| Mimosa robusta R. Grether, 2000 |
| Mimosa rosei B.L. Rob., 1898 |