| Name | Lupinus excubitus var. johnstonii C. P. Smith |
| Authorship | C. P. Smith |
| Rank | Variety |
| Placed in | Lupinus excubitus M. E. Jones |
| Holdings | 4 Specimens held in the Harvard University Herbaria identified as Lupinus excubitus var. johnstonii C. P. Smith |
| Identification made in | [no date] (3), 1928 (1) |
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