| Name | Ctenium newtonii Hackel |
| Authorship | Hackel |
| Rank | Species |
| Placed in | Ctenium Panzer |
| Citation | 1887 Bol. Soc. Brot. 5: 220 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Ctenium newtonii Hackel |
| Identification made in | [no date] (2) |