| Name | Ctenium C. E. O. Jensen |
| Authorship | C. E. O. Jensen |
| Rank | Genus |
| NomenclaturalStatus | NomLeg |
| Placed in | Hypnaceae |
| Contains | Ctenium plumosum (Hitchcock) Swallen Ctenium sp. |
| Remarks | [post Apr 1923]; later homonym (non Panzer 1813 (nom. cons.)); nom. syn. of Ptilium (W. S. Sullivant) De Notaris (1867) |
| Citation | 1923 Danmarks Mosser 2: 122 |