| Mimosa somnians Humb. & Bonpl. ex Willd., 1806 |
| Mimosa sotoi R. Grether & V.W. Steinm., 2014 |
| Mimosa sousae R. Grether, 1981 |
| Mimosa spirocarpa Rose, 1895 |
| Mimosa stipitata B.L. Rob., 1904 |
| Mimosa strigillosa Torr. & A. Gray, 1840 |
| Mimosa subinermis (S. Watson) B.L. Turner, 1994 |
| Mimosa tarda Barneby, 1991 |
| Mimosa tejupilcana R. Grether & Mart.-Bern., 1997 |
| Mimosa teledactyla Donn. Sm., 1913 |
| Mimosa tenuiflora (Willd.) Poir., 1810 |
| Mimosa tenuifolia L., 1753 |
| Mimosa tequilana S. Watson, 1887 |
| Mimosa tetragona Poir., 1810 |
| Mimosa tetraneura T.S. Brandegee, 1914 |
| Mimosa texana (A. Gray) Small, 1901 |
| Mimosa texana var. filipes (Britton & Rose) Barneby, 1991 |
| Mimosa texana var. texana (A. Gray) Small, 1901 |
| Mimosa torresiae R. Grether, 1990 |
| Mimosa tricephala Schltdl. & Cham., 1830 |