| Label | Id | |
|---|---|---|
| Calosiphoniaceae | 173469 | |
| Camelopsocus | 469674 | |
| Canestriniidae | 223469 | |
| Carthaea | 469315 | |
| Catananchinae | 2846960 | |
| Catolechia | 144692 | |
| Caulophyllum | 46962 | |
| Ceroglossini | 155469 | |
| Chaerilus | 246979 | |
| Chaetospermum | 464692 | |
| Chelepteryx | 469211 | |
| Chenuala | 469212 | |
| Chionopsyche | 469220 | |
| Chionopsychinae | 469219 | |
| Chlorociboria | 54692 |