| Name | Archidium cubense R. S. Williams |
| Authorship | R. S. Williams |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Archidium |
| Citation | 1919 Bryologist 22: 2 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Archidium cubense R. S. Williams |
| Identification made in | [no date] (1), 1973 (1) |