| Name | Astragalus lentiginosus var. nigricalycis M. E. Jones |
| Authorship | M. E. Jones |
| Rank | Variety |
| Placed in | Astragalus lentiginosus Douglas ex Hooker |
| Citation | 1895 Proc. Calif. Acad. Sci. ser. 2, 5(18): 674 |
| Holdings | 9 Specimens held in the Harvard University Herbaria identified as Astragalus lentiginosus var. nigricalycis M. E. Jones |
| Identification made in | [no date] (8), 1943 (1) |