| Label | Id | |
|---|---|---|
| Bryobartramia | 226493 | |
| Bryobartramiaceae | 226492 | |
| Byrrhidium | 518226 | |
| Cacoscelis | 226606 | |
| Cainonia | 2822629 | |
| Caldanaerobius | 862261 | |
| Callisina | 226552 | |
| Callophrys | 242268 | |
| Camaenidae | 83226 | |
| Candelariaceae | 452226 | |
| Cantellius | 32268 | |
| Capsosiraceae | 1892262 | |
| Cassianeura | 562263 | |
| Catorthorrhinus | 2269423 | |
| Catuna | 442264 |