| Hartmannia montana Rose, 1905 |
| Hartmannia rosea (L'Hér. ex Aiton) G. Don, 1839 |
| Hartmannia tetraptera (Cav.) Small, 1896 |
| Hartmannia virgata (Ruiz & Pav.) Spach, 1835 |
| Hauya DC., 1828 |
| Hauya barcenae Hemsl., 1878 |
| Hauya elegans DC., 1828 |
| Hauya elegans subsp. barcenae (Hemsl.) P.H. Raven & Breedlove, 1975 |
| Hauya elegans subsp. cornuta (Hemsl.) P.H. Raven & Breedlove, 1975 |
| Hauya elegans subsp. lucida (Donn. Sm. & Rose) P.H. Raven & Breedlove, 1975 |
| Hauya heydeana Donn. Sm., 1893 |
| Hauya rusbyi Donn. Sm. & Rose, 1913 |
| Hauyeae Raim., 1893 |
| Heterophylla Ramamoorthy, 1980 |
| Humboldtia Ramamoorthy, 1980 |
| Isnardia (L.) W.L. Wagner & Hoch, 2007 |
| Jehlia (Rose) Plitmann, P.H. Raven & Breedlove, 1973 |
| Jehlia Rose, 1909 |
| Jehlia galeottii (Planch.) Sprague & Riley, 1924 |
| Jussiaea L., 1753 |