| Name | Astragalus crassicarpus Nuttall |
| Authorship | Nuttall |
| Rank | Species |
| Placed in | Astragalus Linnaeus |
| Contains | Astragalus crassicarpus var. berlandieri Barneby Astragalus crassicarpus var. trichocalyx (Nuttall) Barneby |
| Citation | 1813 Cat. Pl. Upper Louisiana no. 6 |
| Holdings | 196 Specimens held in the Harvard University Herbaria identified as Astragalus crassicarpus Nuttall |
| Identification made in | [no date] (192), 1921 (1), 1962 (1), 1982 (1), 2006 (1) |