| Name | Astragalus praelongus var. ellisiae (Rydberg) Barneby |
| Authorship | (Rydberg) Barneby |
| Rank | Variety |
| Placed in | Astragalus praelongus E. Sheldon |
| Citation | 1964 Mem. New York Bot. Gard. 13: 588 |
| Holdings | 6 Specimens held in the Harvard University Herbaria identified as Astragalus praelongus var. ellisiae (Rydberg) Barneby |
| Identification made in | [no date] (4), 1982 (2) |