| Name | Children | Media (from resource) | Traits |
|---|---|---|---|
| Aaptos Gray 1867 | 1 | 0 | 0 |
| Aaptos aaptos (Schmidt 1864) | 0 | 0 | 1 |
| Abelisauridae | 1 | 0 | 0 |
| Abelmoschus | 3 | 0 | 0 |
| Abelmoschus esculentus (L.) Moench | 0 | 0 | 1 |
| Abelmoschus ficulneus (L.) Wight & Arn. ex Wight | 0 | 0 | 1 |
| Abelmoschus moschatus (L.) Medicus | 0 | 0 | 1 |
| Abies | 1 | 0 | 0 |
| Tsuga dumosa (D. Don) Eichler | 0 | 0 | 2 |
| Abiphis | 2 | 0 | 0 |
| Abiphis corpulentus | 0 | 0 | 1 |
| Abiphis triangularis | 0 | 0 | 1 |
| Abrahamia | 21 | 0 | 0 |
| Abrahamia betamponensis Randrian. & Lowry | 0 | 0 | 1 |
| Abrahamia buxifolia (H. Perrier) Randrian. & Lowry | 0 | 0 | 2 |
