| Name | Children | Media (from resource) | Traits |
|---|---|---|---|
| Agaricus bisporus (J. E. Lange) Imbach 1946 | 0 | 2 | 0 |
| Agaricus silvaticus | 0 | 2 | 0 |
| Agaricus silvicola | 0 | 2 | 0 |
| Agaricus xanthodermus Genev. 1876 (yellow-stainer) | 0 | 2 | 0 |
| Agathis (agathis) | 0 | 2 | 0 |
| Agavaceae | 0 | 2 | 0 |
| Agave (agave) | 0 | 2 | 0 |
| Agavoideae | 2 | 0 | 0 |
| Agelenidae (funnel weavers) | 2 | 2 | 0 |
| Agelenoidea | 1 | 0 | 0 |
| Agkistrodon Palisot de Beauvois 1799 (Moccasins) | 0 | 2 | 0 |
| Aglais | 2 | 2 | 0 |
| Aglais ichnusa | 0 | 2 | 0 |
| Aglais urticae Linnaeus 1758 (Small tortoiseshell) | 0 | 2 | 0 |
| Agnatha | 1 | 2 | 0 |
