| Label | Id | |
|---|---|---|
| Haliporoides | 649374 | |
| Haplomitriaceae | 37404 | |
| Haplomitrium | 37405 | |
| Hechtioideae | 1909374 | |
| Helicohyalinum | 2478374 | |
| Helicotheca | 374046 | |
| Helopeltis | 237374 | |
| Hemithiridoidea | 115374 | |
| Hemixos | 374656 | |
| Heterotoma | 237445 | |
| Hexapathes | 2937484 | |
| Homaloderodes | 931374 | |
| Huperzia | 37428 | |
| Hylini | 374063 | |
| Hyloscirtus | 374065 |