| Name | Tricardia watsoni Torrey ex S. Watson |
| Authorship | Torrey ex S. Watson |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Tricardia |
| Citation | 1871 Botany [Fortieth Parallel] 258 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Tricardia watsoni Torrey ex S. Watson |
| Identification made in | [no date] (1) |