| Name | Viola nuttallii var. praemorsa (Douglas) S. Watson |
| Authorship | (Douglas) S. Watson |
| Rank | Variety |
| Placed in | Viola nuttallii Pursh |
| Citation | 1871 Botany [Fortieth Parallel] 35 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Viola nuttallii var. praemorsa (Douglas) S. Watson |
| Identification made in | [no date] (2) |