| Name | Lathyrus lanswertii Kellogg |
| Authorship | Kellogg |
| Rank | Species |
| NomenclaturalStatus | Unknown |
| Placed in | Lathyrus |
| Contains | Lathyrus lanswertii subsp. aridus (Piper) Bradshaw |
| Holdings | 60 Specimens held in the Harvard University Herbaria identified as Lathyrus lanswertii Kellogg |
| Identification made in | [no date] (60) |