| Vernonia angusta (Gleason) Standl., 1936 |
| Vernonia arborescens (L.) Sw., 1806 |
| Vernonia arctioides Less., 1831 |
| Vernonia argyropappa H. Buek, 1843 |
| Vernonia aristifera S.F. Blake, 1926 |
| Vernonia aschenborniana Schauer, 1847 |
| Vernonia autumnalis McVaugh, 1972 |
| Vernonia baadii (McVaugh) S.B. Jones, 1973 |
| Vernonia baccharoides Kunth, 1818 |
| Vernonia bangii Rusby, 1896 |
| Vernonia barbinervis Sch. Bip., 1856 |
| Vernonia bealliae McVaugh, 1972 |
| Vernonia bolleana Sch. Bip., 1856 |
| Vernonia boquerona B.L. Turner, 1996 |
| Vernonia breviramosa Rusby, 1912 |
| Vernonia bullata Benth., 1853 |
| Vernonia callilepis Gleason, 1922 |
| Vernonia camporum M.E. Jones, 1933 |
| Vernonia canescens Kunth, 1818 |
| Vernonia capreifolia Gleason, 1906 |