| Gouania lupuloides (L.) Urb., 1910 |
| Gouania mexicana Sessé & Moc., 1894 |
| Gouania obamana A. Pool, 2014 |
| Gouania polygama (Jacq.) Urb., 1910 |
| Gouania pubidisca A. Pool, 2014 |
| Gouania rosei Wiggins, 1950 |
| Gouania stipularis DC., 1825 |
| Gouania tomentosa Jacq., 1763 |
| Gouania velutina Reissek, 1861 |
| Gouania viridis Brandegee, 1919 |
| Hovenia Thunb., 1781 |
| Hovenia celtidifolia (Schltdl. & Cham.) G.L. Nesom, 2023 |
| Karwinskia Zucc., 1832 |
| Karwinskia affinis Schltdl., 1841 |
| Karwinskia calderonii Standl., 1923 |
| Karwinskia glandulosa Zucc., 1832 |
| Karwinskia humboldtiana (Schult.) Zucc., 1832 |
| Karwinskia johnstonii R. Fernández, 1988 |
| Karwinskia latifolia Standl., 1923 |
| Karwinskia mollis Schltdl., 1841 |