⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record ild-28117, with some changes.
This name is a synonym of Lathyrus polymorphus subsp. polymorphus Nutt..
The record derives from ILDIS which reports it as a synonym (record 28117).
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:525166-1.