| Name | Lupinus perennis subsp. plattensis (S. Watson) L. Ll. Phillips |
| Authorship | (S. Watson) L. Ll. Phillips |
| Rank | Subspecies |
| Placed in | Lupinus perennis Linnaeus |
| GUID | urn:lsid:ipni.org:names:145712-2 |
| Citation | 1955 Res. Stud. State Coll. Wash. 23: 175 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Lupinus perennis subsp. plattensis (S. Watson) L. Ll. Phillips |
| Identification made in | 1955 (2) |