| Name | Astragalus canadensis var. longiloblus Fassett |
| Authorship | Fassett |
| Rank | Variety |
| Placed in | Astragalus canadensis Linnaeus |
| Citation | 1936 Rhodora 38: 94 |
| Holdings | 4 Specimens held in the Harvard University Herbaria identified as Astragalus canadensis var. longiloblus Fassett |
| Identification made in | [no date] (4) |