| Name | Children | Media (from resource) | Traits |
|---|---|---|---|
| Laeliocattleya | 0 | 2 | 0 |
| × Triticale | 0 | 2 | 0 |
| Aa | 0 | 2 | 0 |
| Aa achalensis Schltr. | 0 | 2 | 0 |
| Aa argyrolepis Rchb. fil. | 0 | 2 | 0 |
| Aaadonta Solem 1976 | 1 | 0 | 0 |
| Aaadonta angaurana Solem 1976 | 0 | 2 | 0 |
| Aaptos Gray 1867 | 0 | 0 | 0 |
| Aaptos aaptos (Schmidt 1864) | 0 | 2 | 0 |
| Aaptosyax | 0 | 0 | 0 |
| Aaptosyax grypus Rainboth 1991 (Giant Salmon Carp) | 0 | 2 | 0 |
| Aaronsohnia | 0 | 2 | 0 |
| Abablemma Nye 1975 | 0 | 2 | 0 |
| Abablemma brimleyana | 0 | 2 | 0 |
| Abacena Walker 1865 | 0 | 2 | 0 |
