| Name | Children | Media (from resource) | Traits |
|---|---|---|---|
| Albotricha | 1 | 0 | 0 |
| Albotricha acutipila (P. Karst.) Raitv. 1970 | 0 | 0 | 1 |
| Alca Linnaeus 1758 | 1 | 0 | 0 |
| Alca torda Linnaeus 1758 | 0 | 0 | 1 |
| Alcataenia | 2 | 0 | 0 |
| Alcataenia meinertzhageni (Baer 1956) Spasskaya 1971 | 0 | 0 | 1 |
| Alcataenia micracantha (Krabbe 1869) | 0 | 0 | 1 |
| Alchemilla | 4 | 0 | 0 |
| Alchemilla alpina L. (Peucrist) | 0 | 0 | 1 |
| Alchemilla filicaulis Buser | 0 | 0 | 1 |
| Alchemilla glomerulans Buser | 0 | 0 | 1 |
| Alchemilla wichurae (Buser) Stefansson | 0 | 0 | 1 |
| Alcidae | 5 | 0 | 0 |
| Alcyonacea Lamouroux 1812 | 1 | 0 | 0 |
| Alectoria | 2 | 0 | 0 |
