| Option ID | Family Name | Notes | Metadata ID |
| 181 | Heliconiaceae | Angiosperms (Flowering plants) | 1,591 |
| 182 | Helwingiaceae | Angiosperms (Flowering plants) | 1,591 |
| 183 | Hernandiaceae | Angiosperms (Flowering plants) | 1,591 |
| 184 | Himantandraceae | Angiosperms (Flowering plants) | 1,591 |
| 185 | Huaceae | Angiosperms (Flowering plants) | 1,591 |
| 186 | Humiriaceae | Angiosperms (Flowering plants) | 1,591 |
| 187 | Hydatellaceae | Angiosperms (Flowering plants) | 1,591 |
| 188 | Hydnoraceae | Angiosperms (Flowering plants) | 1,591 |
| 189 | Hydrangeaceae | Angiosperms (Flowering plants) | 1,591 |
| 190 | Hydrocharitaceae | Angiosperms (Flowering plants) | 1,591 |
| 191 | Hydroleaceae | Angiosperms (Flowering plants) | 1,591 |
| 192 | Hydrostachyaceae | Angiosperms (Flowering plants) | 1,591 |
| 193 | Hypericaceae | Angiosperms (Flowering plants) | 1,591 |
| 194 | Hypoxidaceae | Angiosperms (Flowering plants) | 1,591 |
| 195 | Icacinaceae | Angiosperms (Flowering plants) | 1,591 |
| 196 | Iridaceae | Angiosperms (Flowering plants) | 1,591 |
| 197 | Irvingiaceae | Angiosperms (Flowering plants) | 1,591 |
| 198 | Iteaceae | Angiosperms (Flowering plants) | 1,591 |
| 199 | Ixioliriaceae | Angiosperms (Flowering plants) | 1,591 |
| 200 | Ixonanthaceae | Angiosperms (Flowering plants) | 1,591 |