| Hartwegiella nasturtioides O.E. Schulz, 1933 |
| Hesperidanthus (B.L. Rob.) Rydb., 1907 |
| Hesperidanthus linearifolius (A. Gray) Rydb., 1907 |
| Hesperideae Prantl, 1891 |
| Hesperis L., 1753 |
| Hesperis altissima (L.) Kuntze, 1891 |
| Hesperis berlandieri (E. Fourn.) Kuntze, 1891 |
| Hesperis diffusa (A. Gray) Kuntze, 1891 |
| Hesperis galeottiana (E. Fourn.) Kuntze, 1891 |
| Hesperis hartwegiana (E. Fourn.) Kuntze, 1891 |
| Hesperis hispidula (DC.) Kuntze, 1891 |
| 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 |