| Name | Selaginella densa Rydberg |
| Authorship | Rydberg |
| Rank | Species |
| NomenclaturalStatus | Unknown |
| Placed in | Selaginella P. Beauvois |
| Contains | Selaginella densa var. scopulorum (Maxon) R. M. Tryon Selaginella densa var. standleyi (Maxon) R. M. Tryon |
| GUID | urn:lsid:ipni.org:names:232062-2 |
| Holdings | 53 Specimens held in the Harvard University Herbaria identified as Selaginella densa Rydberg |
| Identification made in | [no date] (38), 1952 (13), 1962 (1), 1967 (1) |