| Name | Lathyrus polymorphus Nuttall |
| Authorship | Nuttall |
| Rank | Species |
| NomenclaturalStatus | Unknown |
| Placed in | Lathyrus |
| Contains | Lathyrus polymorphus var. hapemanii (A. Nelson) C. L. Hitchcock Lathyrus polymorphus subsp. incanus (J. G. Smith & Rydberg) C. L. Hitchcock Lathyrus polymorphus subsp. polymorphus |
| GUID | urn:lsid:ipni.org:names:30101968-2 |
| Holdings | 43 Specimens held in the Harvard University Herbaria identified as Lathyrus polymorphus Nuttall |
| Identification made in | [no date] (22), 1979 (17), 1989 (4) |