| Cephaloziellaceae | |
Cephaloziella gracillima fo. anomala
| Douin | Mém. Soc. Sci. Nat. Math. Cherbourg 35: 261 | 1906 |
| Cephaloziellaceae | |
Cephaloziella gracillima fo. gracillima
| | | |
| Cephaloziellaceae | |
Cephaloziella gracillima var. gracillima
| | | |
| Cephaloziellaceae | |
Cephaloziella gracillima var. hericensis
| (Douin) Douin | Rev. Gén. Bot. 28: 277 | 1916 |
| Cephaloziellaceae | |
Cephaloziella gracillima var. heterophylla
| (Douin) H.L. Blomq. | Bryologist 39(3): 58 | 1936 |
| Cephaloziellaceae | |
Cephaloziella gracillima fo. imbricata
| Douin | Mém. Soc. Sci. Nat. Math. Cherbourg 35: 261 | 1906 |
| Cephaloziellaceae | |
Cephaloziella gracillima var. leptodermis
| Douin | Rev. Gén. Bot. 28: 275 | 1916 |
| Cephaloziellaceae | |
Cephaloziella gracillima var. luxurians
| Douin | Rev. Gén. Bot. 28: 286 | 1916 |
| Cephaloziellaceae | |
Cephaloziella gracillima fo. robusta
| Douin | Mém. Soc. Sci. Nat. Math. Cherbourg 35: 262 | 1906 |
| Cephaloziellaceae | |
Cephaloziella gracillima fo. rubra
| Douin | Krit. Bemerk. Eur. Leberm. 18: 23 | 1933 |
| Cephaloziellaceae | ** |
Cephaloziella gracillima fo. typica
| Douin | Mém. Soc. Sci. Nat. Math. Cherbourg 35: 262 | 1906 |
| Cephaloziellaceae | |
Cephaloziella gracillima var. viridis
| Douin | Mém. Soc. Sci. Nat. Math. Cherbourg 35: 262 | 1906 |