| Name | Children | Media (from resource) | Traits |
|---|---|---|---|
| Acipenser sturio Linnaeus 1758 (Atlantic Sturgeon) | 0 | 2 | 0 |
| Acipenseridae (sturgeons) | 1 | 0 | 0 |
| Acipenseriformes (sturgeons and paddlefishes) | 1 | 0 | 0 |
| Aconitum (Monkshood) | 2 | 1 | 0 |
| Aconitum lasiostomum | 0 | 2 | 0 |
| Aconitum napellus L. (Venus' chariot) | 0 | 2 | 0 |
| Aconoidasida | 1 | 0 | 0 |
| Acoraceae (sweet flag family) | 1 | 0 | 0 |
| Acorales | 1 | 0 | 0 |
| Acorus (Sweet-flag) | 1 | 1 | 0 |
| Acorus calamus L. (Sweet Flag) | 0 | 2 | 0 |
| Acrantophis Jan ex Jan & Sordelli 1860 (boa) | 0 | 2 | 0 |
| Acrididae (short-horned grasshoppers) | 1 | 2 | 0 |
| Acrididea | 1 | 0 | 0 |
| Acridoidea | 0 | 0 | 0 |
