| Encelia viscida A. Gray, 1876 |
| Enceliinae Panero, 2005 |
| Engelmannia A. Gray ex Nutt., 1840 |
| Engelmannia peristenia (Raf.) Goodman & C.A. Lawson, 1992 |
| Engelmannia pinnatifida Nutt., 1840 |
| Engelmanniinae Stuessy, 1978 |
| Enhydra DC., 1836 |
| Enhydra sessilifolia (Ruiz & Pav.) Cabrera, 1960 |
| Enydra Lour., 1790 |
| Enydra sessilifolia (Ruiz & Pav.) Cabrera, 1960 |
| Enydra sessilis (Sw.) DC., 1836 |
| Enydrinae H. Rob., 1979 |
| Epaltes Cass., 1818 |
| Epaltes brasiliensis DC., 1836 |
| Epaltes mexicana Less., 1830 |
| Epilepis Benth., 1839 |
| Epilepis crawfordii (Mesfin) Z.H. Feng, Z.J. Huang & Su Liu, 2024 |
| Epilepis davilae (Panero & Villaseñor) Z.H. Feng, Z.J. Huang & Su Liu, 2024 |
| Epilepis guanajuatensis (B.L. Turner) Z.H. Feng, Z.J. Huang & Su Liu, 2024 |
| Epilepis mcvaughii (Crawford) Z.H. Feng, Z.J. Huang & Su Liu, 2024 |