| 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) | 
