| Gaillardia amara Raf., 1817 |
| Gaillardia arizonica A. Gray, 1884 |
| Gaillardia candelaria B.L. Turner, 2007 |
| Gaillardia coahuilensis B.L. Turner, 1977 |
| Gaillardia comosa A. Gray, 1883 |
| Gaillardia gypsophila B.L. Turner, 1972 |
| Gaillardia henricksonii B.L. Turner, 1976 |
| Gaillardia mexicana A. Gray, 1883 |
| Gaillardia multiceps Greene, 1897 |
| Gaillardia pinnatifida Torr., 1827 |
| Gaillardia powellii B.L. Turner, 1972 |
| Gaillardia pulchella Foug., 1788 |
| Gaillardia pulchella var. australis B.L. Turner & Whalen, 1975 |
| Gaillardia pulchella var. drummondii (Hook.) B.L. Turner, 2003 |
| Gaillardia pulchella var. pulchella Foug., 1788 |
| Gaillardia suavis (A. Gray & Engl.) Britton & Rusby, 1887 |
| Gaillardia turneri Averett & A.M. Powell, 1976 |
| Gaillardiinae Less., 1831 |
| Galeana La Llave & Lex., 1824 |
| Galeana arenarioides (Hook. & Arn.) Rydb., 1914 |