| Stevia nervosa DC., 1836 |
| Stevia neurophylla B.L. Rob. & Greenm., 1900 |
| Stevia nitida Walp., 1840 |
| Stevia oaxacana Soejima & Yahara, 2001 |
| Stevia occidentalis (Grashoff) Soejima, Yahara & K. Watan., 2001 |
| Stevia oligophylla Soejima & Yahara, 2001 |
| Stevia origanifolia Walp., 1840 |
| Stevia origanoides Kunth, 1818 |
| Stevia orizabensis B.L. Rob., 1928 |
| Stevia ovalis (B.L. Rob.) B.L. Rob., 1930 |
| Stevia ovata Willd., 1809 |
| Stevia ovata var. expansa Grashoff, 1974 |
| Stevia ovata var. ovata Willd., 1809 |
| Stevia ovata var. reglensis (Benth.) Grashoff, 1974 |
| Stevia ovata var. texana Grashoff, 1974 |
| Stevia palmeri A. Gray, 1886 |
| Stevia palmeri var. constricta Grashoff, 1974 |
| Stevia palmeri var. palmeri A. Gray, 1886 |
| Stevia paniculata Lag., 1816 |
| Stevia pedata Cav., 1797 |