| Name | Silene occidentalis subsp. occidentalis |
| Authorship | |
| Rank | Subspecies |
| NomenclaturalStatus | Unknown |
| Placed in | Silene occidentalis S. Watson |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Silene occidentalis subsp. occidentalis |
| Identification made in | [no date] (1) |