| Heterodraba unilateralis (M.E. Jones) Greene, 1885 |
| Heterothrix (B.L. Rob.) Rydb., 1907 |
| Heterothrix juncea O.E. Schulz, 1924 |
| Heterothrix longifolia (Benth.) Rydb., 1907 |
| Heterothrix micrantha (A. Gray) Rydb., 1907 |
| Heterothrix micrantha var. lasiocalycina O.E. Schulz, 1924 |
| Heterothrix patens O.E. Schulz, 1924 |
| Hirschfeldia Moench, 1794 |
| Hirschfeldia adpressa Moench, 1794 |
| Hirschfeldia incana (L.) Lagr.-Foss., 1847 |
| Holargidium Turcz. ex Ledeb., 1841 |
| Hornungia Rchb., 1837 |
| Hornungia procumbens (L.) Hayek, 1925 |
| Hutchinsia W.T. Aiton, 1812 |
| Hutchinsia procumbens (L.) Desv., 1815 |
| Hutchinsiella O.E. Schulz, 1933 |
| Hymenolobus Nutt., 1838 |
| Hymenolobus divaricatus Nutt., 1838 |
| Hymenolobus erectus Nutt., 1838 |
| Hymenolobus procumbens Nutt., 1838 |