| Name | Lathyrus laetiflorus subsp. alefeldii (T. G. White) Bradshaw |
| Authorship | (T. G. White) Bradshaw |
| Rank | Subspecies |
| Placed in | Lathyrus laetiflorus Greene |
| Citation | 1925 Bot. Gaz. 80: 261 |
| Holdings | 28 Specimens held in the Harvard University Herbaria identified as Lathyrus laetiflorus subsp. alefeldii (T. G. White) Bradshaw |
| Identification made in | [no date] (27), 1949 (1) |