| Name | Children | Media (from resource) | Traits |
|---|---|---|---|
| Acanthodiacrodium tremadocum | 0 | 0 | 0 |
| Acanthosoma | 1 | 0 | 0 |
| Acanthosoma haemorrhoidale | 0 | 0 | 1 |
| Acanthosomatidae | 1 | 0 | 0 |
| Acarospora | 1 | 0 | 0 |
| Acarospora heppii | 0 | 0 | 0 |
| Acarosporaceae | 1 | 0 | 0 |
| Accipiter Brisson 1760 | 2 | 0 | 0 |
| Accipiter gentilis (Linnaeus 1758) | 0 | 0 | 1 |
| Accipiter nisus (Linnaeus 1758) | 0 | 0 | 1 |
| Accipitridae | 9 | 0 | 0 |
| Accipitriformes | 2 | 0 | 0 |
| Acer | 3 | 0 | 0 |
| Acer negundo L. | 0 | 0 | 1 |
| Acer platanoides L. | 0 | 0 | 1 |
