| Eryngiophyllum rosei Greenm., 1903 |
| Erythradenia (B.L. Rob.) R.M. King & H. Rob., 1969 |
| Erythradenia pyramidalis (B.L. Rob.) R.M. King & H. Rob., 1969 |
| Erythrolaena Sweet, 1825 |
| Erythrolaena conspicua G. Don, 1825 |
| Eschenbachia Moench, 1794 |
| Eschenbachia coulteri (A. Gray) Rydb., 1906 |
| Eschenbachia lyrata (Kunth) Britton & Millsp., 1920 |
| Eschenbachia tenuisecta Wooton & Standl., 1913 |
| Espejoa DC., 1836 |
| Espejoa mexicana DC., 1836 |
| Ethulia L. f., 1762 |
| Ethulia sparganophora L., 1763 |
| Ethulia struchium Sw., 1806 |
| Ethuliopsis F. Muell., 1861 |
| Euchiton Cass., 1828 |
| Eupatoriastrum Greenm., 1904 |
| Eupatoriastrum angulifolium (B.L. Rob.) R.M. King & H. Rob., 1971 |
| Eupatoriastrum chlorostylum B.L. Turner, 1986 |
| Eupatoriastrum corvi (McVaugh) B.L. Turner, 1989 |