| Name | Cardamine occidentalis (S. Watson) Howell |
| Authorship | (S. Watson) Howell |
| Rank | Species |
| NomenclaturalStatus | Unknown |
| Placed in | Cardamine Linnaeus |
| Holdings | 11 Specimens held in the Harvard University Herbaria identified as Cardamine occidentalis (S. Watson) Howell |
| Identification made in | [no date] (9), 1988 (2) |