| Vernonia leiophylla (Gleason) S.F. Blake, 1917 |
| Vernonia liatroides DC., 1836 |
| Vernonia liatroides subsp. ehrenbergiana (Sch. Bip.) S.B. Jones, 1976 |
| Vernonia liatroides subsp. gentryi S.B. Jones, 1976 |
| Vernonia lindheimeri A. Gray & Engelm., 1847 |
| Vernonia lindheimeri var. leucophylla Larsen, 1928 |
| Vernonia lindheimeri var. lindheimeri A. Gray & Engelm., 1847 |
| Vernonia lithospermoides Baker, 1873 |
| Vernonia littoralis Brandegee, 1899 |
| Vernonia longeracemosa Mart. ex DC., 1836 |
| Vernonia luxensis J.M. Coult., 1895 |
| Vernonia macphersonii S.B. Jones & Stutts, 1981 |
| Vernonia macvaughii S.B. Jones, 1973 |
| 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 |