| Label | Id | |
|---|---|---|
| Apfelbeckiella | 1522028 | |
| Aprosthema | 1385221 | |
| Araeomolis | 695225 | |
| Archiboreoiulus | 1522030 | |
| Arctonotus | 522792 | |
| Aschemonella | 1852262 | |
| Ascobotryozyma | 2835221 | |
| Aspledon | 522880 | |
| Asterosporium | 752203 | |
| Astroloma | 55221 | |
| Atissa | 1892522 | |
| Atractiella | 5228 | |
| Auriculariaceae | 5227 | |
| Auriculariales | 5226 | |
| Austrostelis | 1352272 |