| Option ID | Family Name | Notes | Metadata ID |
| 1 | Acanthaceae | Angiosperms (Flowering plants) | 1,591 |
| 2 | Achariaceae | Angiosperms (Flowering plants) | 1,591 |
| 3 | Achatocarpaceae | Angiosperms (Flowering plants) | 1,591 |
| 4 | Acoraceae | Angiosperms (Flowering plants) | 1,591 |
| 5 | Actinidiaceae | Angiosperms (Flowering plants) | 1,591 |
| 6 | Adoxaceae | Angiosperms (Flowering plants) | 1,591 |
| 7 | Aextoxicaceae | Angiosperms (Flowering plants) | 1,591 |
| 8 | Aizoaceae | Angiosperms (Flowering plants) | 1,591 |
| 9 | Akaniaceae | Angiosperms (Flowering plants) | 1,591 |
| 10 | Alismataceae | Angiosperms (Flowering plants) | 1,591 |
| 11 | Alseuosmiaceae | Angiosperms (Flowering plants) | 1,591 |
| 12 | Alstroemeriaceae | Angiosperms (Flowering plants) | 1,591 |
| 13 | Altingiaceae | Angiosperms (Flowering plants) | 1,591 |
| 14 | Amaranthaceae | Angiosperms (Flowering plants) | 1,591 |
| 15 | Amaryllidaceae | Angiosperms (Flowering plants) | 1,591 |
| 16 | Amborellaceae | Angiosperms (Flowering plants) | 1,591 |
| 17 | Anacampserotaceae | Angiosperms (Flowering plants) | 1,591 |
| 18 | Anacardiaceae | Angiosperms (Flowering plants) | 1,591 |
| 19 | Anarthriaceae | Angiosperms (Flowering plants) | 1,591 |
| 20 | Ancistrocladaceae | Angiosperms (Flowering plants) | 1,591 |