| Hexasepalum apiculatum (Willd.) Delprete & J.H. Kirkbr., 2015 |
| Hexasepalum sarmentosum (Sw.) Delprete & J.H. Kirkbr., 2015 |
| Hexasepalum teres (Walter) J.H. Kirkbr., 2014 |
| Higginsia Pers., 1805 |
| Higginsia macrophylla Planch., 1849 |
| Higginsia mexicana Link, Klotzsch & Otto, 1841 |
| Higginsia psychotriifolia Benth., 1853 |
| Higginsia refulgens Hook., 1862 |
| Higginsia regalis Hook. f., 1861 |
| Hillia Jacq., 1760 |
| Hillia chiapensis Standl., 1926 |
| Hillia loranthoides Standl., 1928 |
| Hillia macrocarpa Standl. & Steyerm., 1943 |
| Hillia matudae Standl., 1940 |
| Hillia maxonii Standl., 1928 |
| Hillia oaxacana C.M. Taylor, 1991 |
| Hillia panamensis Standl., 1921 |
| Hillia tetrandra Sw., 1788 |
| Hillia triflora (Oerst.) C.M. Taylor, 1989 |
| Hillia tuxtlensis Sessé & Moc. ex DC., 1830 |