| Option ID | Family Name | Notes | Metadata ID |
| 61 | Bruniaceae | Angiosperms (Flowering plants) | 1,591 |
| 62 | Burmanniaceae | Angiosperms (Flowering plants) | 1,591 |
| 63 | Burseraceae | Angiosperms (Flowering plants) | 1,591 |
| 64 | Butomaceae | Angiosperms (Flowering plants) | 1,591 |
| 65 | Buxaceae | Angiosperms (Flowering plants) | 1,591 |
| 66 | Byblidaceae | Angiosperms (Flowering plants) | 1,591 |
| 67 | Cabombaceae | Angiosperms (Flowering plants) | 1,591 |
| 68 | Cactaceae | Angiosperms (Flowering plants) | 1,591 |
| 69 | Calceolariaceae | Angiosperms (Flowering plants) | 1,591 |
| 70 | Calophyllaceae | Angiosperms (Flowering plants) | 1,591 |
| 71 | Calycanthaceae | Angiosperms (Flowering plants) | 1,591 |
| 72 | Calyceraceae | Angiosperms (Flowering plants) | 1,591 |
| 73 | Campanulaceae | Angiosperms (Flowering plants) | 1,591 |
| 74 | Campynemataceae | Angiosperms (Flowering plants) | 1,591 |
| 75 | Canellaceae | Angiosperms (Flowering plants) | 1,591 |
| 76 | Cannabaceae | Angiosperms (Flowering plants) | 1,591 |
| 77 | Cannaceae | Angiosperms (Flowering plants) | 1,591 |
| 78 | Capparaceae | Angiosperms (Flowering plants) | 1,591 |
| 79 | Caprifoliaceae | Angiosperms (Flowering plants) | 1,591 |
| 80 | Cardiopteridaceae | Angiosperms (Flowering plants) | 1,591 |