| Name | Astragalus nuttallianus var. zapatanus Barneby |
| Authorship | Barneby |
| Rank | Variety |
| Placed in | Astragalus nuttallianus de Candolle |
| Citation | 1956 Field & Lab. 24(1): 36 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Astragalus nuttallianus var. zapatanus Barneby |
| Identification made in | [no date] (1) |
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