| Name | Astragalus polycladus var. nigrescens E. Peter |
| Authorship | E. Peter |
| Rank | Variety |
| Placed in | Astragalus polycladus Bureau & Franchet |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Astragalus polycladus var. nigrescens E. Peter |
| Identification made in | 2021 (2) |
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