| Name | Children | Media (from resource) | Traits |
|---|---|---|---|
| × Aranda | 0 | 2 | 0 |
| Brassocattleya | 0 | 2 | 0 |
| × Brassolaeliocattleya | 0 | 2 | 0 |
| × Triticale | 0 | 1 | 0 |
| Aa | 0 | 2 | 0 |
| Abareia | 1 | 0 | 0 |
| Abareia amaurodes Turner 1947 | 0 | 2 | 0 |
| Abeillia Bonaparte 1850 | 1 | 0 | 0 |
| Abeillia abeillei (Lesson, R & Delattre 1839) (Emerald-chinned Hummingbird) | 0 | 2 | 0 |
| Abelia (abelia) | 0 | 2 | 0 |
| Abelmoschus (okra) | 1 | 2 | 0 |
| Abelmoschus esculentus (L.) Moench (okra) | 0 | 2 | 0 |
| Abies (Fir) | 3 | 2 | 0 |
| Abies alba Mill. (Silver Fir) | 0 | 2 | 0 |
| Abies amabilis Douglas ex J. Forbes (Cascade Fir) | 0 | 2 | 0 |
