| Name | Silene scouleri subsp. grandis (Eastwood) C. L. Hitchcock & B. Maguire | 
| Authorship | (Eastwood) C. L. Hitchcock & B. Maguire | 
| Rank | Subspecies | 
| Placed in | Silene scouleri Hooker | 
| Citation | 1947 Univ. Wash. Publ. Biol. 13 | 
| Holdings | 10 Specimens held in the Harvard University Herbaria identified as Silene scouleri subsp. grandis (Eastwood) C. L. Hitchcock & B. Maguire | 
| Identification made in | [no date] (8), 1942 (2) |