| Hesperis lasioloba Kuntze, 1891 |
| Hesperis palmeri (Hemsl.) Kuntze, 1891 |
| Hesperis parryi (Hemsl.) Kuntze, 1891 |
| Hesperis polysperma (E. Fourn.) Kuntze, 1891 |
| Hesperis schaffneri (Hemsl.) Kuntze, 1891 |
| Hesperis streptocarpa Kuntze, 1891 |
| Hesperis virletii (E. Fourn.) Kuntze, 1891 |
| Heterocarpus Phil., 1856 |
| Heterodraba Greene, 1885 |
| 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 |