| Name | Lathyrus polymorphus subsp. incanus (J. G. Smith & Rydberg) C. L. Hitchcock | 
| Authorship | (J. G. Smith & Rydberg) C. L. Hitchcock | 
| Rank | Subspecies | 
| Placed in | Lathyrus polymorphus Nuttall | 
| Holdings | 24 Specimens held in the Harvard University Herbaria identified as Lathyrus polymorphus subsp. incanus (J. G. Smith & Rydberg) C. L. Hitchcock | 
| Identification made in | [no date] (5), 1979 (19) | 
