| Name | Silene campanulata subsp. greenei (S. Watson) A. H. Homgren & N. H. Holmgren |
| Authorship | (S. Watson) A. H. Homgren & N. H. Holmgren |
| Rank | Subspecies |
| Placed in | Silene campanulata S. Watson |
| Holdings | 5 Specimens held in the Harvard University Herbaria identified as Silene campanulata subsp. greenei (S. Watson) A. H. Homgren & N. H. Holmgren |
| Identification made in | [no date] (2), 1942 (3) |