| Name | Lathyrus laetiflorus subsp. barbarae (T. G. White) C. L. Hitchcock |
| Authorship | (T. G. White) C. L. Hitchcock |
| Rank | Subspecies |
| Placed in | Lathyrus laetiflorus Greene |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Lathyrus laetiflorus subsp. barbarae (T. G. White) C. L. Hitchcock |
| Identification made in | [no date] (2) |