| Name | Cyathea atrox var. inermis Holttum |
| Authorship | Holttum |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Cyathea atrox C. Christensen |
| Citation | 1963 Fl. Males., Ser. 2, Pterid. 1(2): 130 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Cyathea atrox var. inermis Holttum |
| Identification made in | [no date] (1) |