| Epifagus virginiana (L.) W.P.C. Barton, 1818 |
| Eremitilla Yatsk. & J.L. Contr., 2009 |
| Eremitilla mexicana Yatsk. & J.L. Contr., 2009 |
| Escobedia Ruiz & Pav., 1794 |
| Escobedia crassipes Pennell, 1931 |
| Escobedia grandiflora (L. f.) Kuntze, 1898 |
| Escobedia guatemalensis Loes., 1911 |
| Escobedia laevis Schltdl. & Cham., 1830 |
| Escobedia linearis Schltdl., 1833 |
| Escobedia longiflora Pennell, 1931 |
| Escobedia michoacana E. Carranza & Medina, 2008 |
| Escobedia peduncularis Pennell, 1931 |
| Escobedia scabrifolia Ruiz & Pav., 1798 |
| Eutheta Standl., 1931 |
| Eutheta hondurensis (Donn. Sm.) Standl., 1931 |
| Gentrya Breedlove & Heckard, 1970 |
| Gentrya racemosa Breedlove & Heckard, 1970 |
| Gerardia Benth., 1846 |
| Gerardia chameranthemoidea (Oerst.) S.F. Blake, 1917 |
| Gerardia dulcis (Cav.) S.F. Blake, 1917 |