| Name | Lupinus bicolor var. trifidus (S. Watson) C. P. Smith |
| Authorship | (S. Watson) C. P. Smith |
| Rank | Variety |
| Placed in | Lupinus bicolor Lindley |
| Citation | 1923 [1924] Bull. Torrey Bot. Club 50: 386 |
| Holdings | 12 Specimens held in the Harvard University Herbaria identified as Lupinus bicolor var. trifidus (S. Watson) C. P. Smith |
| Identification made in | [no date] (12) |