| Name | Lupinus benthamii var. opimus C. P. Smith |
| Authorship | C. P. Smith |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Lupinus benthamii A. Heller |
| GUID | urn:lsid:ipni.org:names:144867-2 |
| Citation | 1920 Bull. Torrey Bot. Club 47: 507 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Lupinus benthamii var. opimus C. P. Smith |
| Identification made in | 1969 (1) |