| Name | Children | Media (from resource) | Traits |
|---|---|---|---|
| Adenocarpus | 1 | 0 | 0 |
| Adenocarpus mannii (Hook. fil.) Hook. fil. | 0 | 0 | 0 |
| Adenophyllum | 1 | 0 | 0 |
| Adenophyllum perrottetii | 0 | 0 | 0 |
| Adenostemma | 1 | 0 | 0 |
| Adenostemma mauritianum DC. | 0 | 0 | 1 |
| Aderpas | 1 | 0 | 0 |
| Aderpas brunneus (Thomson 1858) | 0 | 0 | 1 |
| Adiantum | 3 | 0 | 0 |
| Adiantum capillus-veneris L. | 0 | 0 | 1 |
| Adiantum poiretii Wikstr. | 0 | 0 | 0 |
| Adiantum thalictroides Willd. ex Kunze | 0 | 0 | 1 |
| Adolfus Sternfeld 1912 | 1 | 0 | 0 |
| Adolfus jacksoni (Boulenger 1899) | 0 | 0 | 1 |
| Aenigmatolimnas Peters & JL 1932 | 1 | 0 | 0 |
