| Helenium tenuifolium Nutt., 1834 |
| Helenium tenuifolium var. badium A. Gray, 1883 |
| Helenium thurberi A. Gray, 1883 |
| Helepta Raf., 1825 |
| Heliantheae Cass., 1819 |
| Helianthella Torr. & A. Gray, 1842 |
| Helianthella ciliata S.F. Blake, 1937 |
| Helianthella durangensis B.L. Turner, 1989 |
| Helianthella gypsophila B.L. Turner, 1977 |
| Helianthella gypsophila var. calcarea B.L. Turner, 1977 |
| Helianthella gypsophila var. gypsophila B.L. Turner, 1977 |
| Helianthella latifolia Scheele, 1849 |
| Helianthella madrensis S. Watson, 1888 |
| Helianthella mexicana A. Gray, 1879 |
| Helianthella mexicana var. latifolia Weber, 1952 |
| Helianthella pringlei A. Gray, 1886 |
| Helianthella quinquenervis (Hook.) A. Gray, 1883 |
| Helianthella weberi B.L. Turner, 2015 |
| Helianthinae Dumort., 1827 |
| Helianthus L., 1753 |