| Vernonia marginata (Torr.) Raf., 1832 |
| Vernonia marginata var. tenuifolia (Small) Shinners, 1950 |
| Vernonia melanocarpa (Gleason) S.F. Blake, 1917 |
| Vernonia mexicana Less., 1831 |
| Vernonia michoacana McVaugh, 1972 |
| Vernonia micradenia DC., 1836 |
| Vernonia monosis Sch. Bip., 1847 |
| Vernonia monsonensis Hieron., 1908 |
| Vernonia morelana Gleason, 1919 |
| Vernonia mucronata S.F. Blake, 1917 |
| Vernonia myriocephala DC., 1836 |
| Vernonia oaxacana Sch. Bip. ex Klatt, 1884 |
| Vernonia obtusa (Gleason) S.F. Blake, 1926 |
| Vernonia obtusa subsp. bartlettii S.B. Jones, 1973 |
| Vernonia obtusa subsp. parkeri S.B. Jones, 1973 |
| Vernonia obtusa var. bartlettii (S.B. Jones) B.L. Turner, 1989 |
| Vernonia obtusa var. obtusa (Gleason) S.F. Blake, 1926 |
| Vernonia obtusa var. parkeri (S.B. Jones) B.L. Turner, 1989 |
| Vernonia occulta Redonda-Mart. & Mora-Jarvio, 2017 |
| Vernonia oolepis S.F. Blake, 1917 |