| Name | Astragalus looseri I. M. Johnston |
| Authorship | I. M. Johnston |
| Rank | Species |
| Placed in | Astragalus Linnaeus |
| Citation | 1947 J. Arnold Arbor. 28(3): 349 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Astragalus looseri I. M. Johnston |
| Identification made in | 1937 (1), 2015 (1) |