| Habracanthus harleyi Wassh., 1991 |
| Habracanthus ruberrimus D.N. Gibson, 1972 |
| Habracanthus silvaticus Nees, 1847 |
| Hansteinia Oerst., 1855 |
| Hansteinia glabra (Leonard) D.N. Gibson, 1972 |
| Hansteinia gracilis Oerst., 1855 |
| Hansteinia monolopha (Donn. Sm.) D.N. Gibson, 1972 |
| Hansteinia purpusii Brandegee, 1914 |
| Hansteinia tacanensis Acosta & R. Fernández, 1993 |
| Hemigraphis Nees, 1847 |
| Hemigraphis alternata (Burm. f.) T. Anderson, 1864 |
| Hemisandra Scheidw., 1842 |
| Hemisandra aurantiaca Scheidw., 1842 |
| Henrya Nees ex Benth., 1845 |
| Henrya barclayana Nees, 1846 |
| Henrya brevifolia Happ, 1937 |
| Henrya costata A. Gray, 1886 |
| Henrya donnell-smithii Happ, 1937 |
| Henrya flava (Eastw.) Happ, 1937 |
| Henrya grandifolia Fernald, 1895 |