| Gerardia harperi (Pennell) Pennell, 1935 |
| Gerardia maritima Raf., 1808 |
| Gerardia maritima var. grandiflora Benth., 1836 |
| Gerardia peduncularis Benth., 1836 |
| Gerardia prostrata Kunth, 1818 |
| Gerardia serpyllifolia Kunth, 1818 |
| Gerardia spiciflora Engelm., 1845 |
| Gerardia tenuifolia Vahl, 1794 |
| Lamourouxia Kunth, 1818 |
| Lamourouxia brachyantha Greenm., 1905 |
| Lamourouxia coccinea A. Gray, 1886 |
| Lamourouxia colimae W.R. Ernst & Baad, 1971 |
| Lamourouxia cordata Cham. & Schltdl., 1830 |
| Lamourouxia dasyantha (Cham. & Schltdl.) W.R. Ernst, 1972 |
| Lamourouxia dependens Benth., 1846 |
| Lamourouxia exserta B.L. Rob. & Greenm., 1895 |
| Lamourouxia gracilis B.L. Rob. & Greenm., 1895 |
| Lamourouxia grandiflora Benth. ex Linden, 1855 |
| Lamourouxia jaliscana W.R. Ernst & Baad, 1971 |
| Lamourouxia laciniata M. Martens & Galeotti, 1845 |