| Name | Lathyrus brachycalyx var. eucosmus (Butters & H. St. John) S. L. Welsh |
| Authorship | (Butters & H. St. John) S. L. Welsh |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Lathyrus brachycalyx Rydberg |
| GUID | urn:lsid:ipni.org:names:136064-2 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Lathyrus brachycalyx var. eucosmus (Butters & H. St. John) S. L. Welsh |
| Identification made in | [no date] (1) |