| Name | Astragalus pycnostachyus var. lanosissimus (Rydberg) Munz & McBurney |
| Authorship | (Rydberg) Munz & McBurney |
| Rank | Variety |
| Placed in | Astragalus pycnostachyus A. Gray |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Astragalus pycnostachyus var. lanosissimus (Rydberg) Munz & McBurney |
| Identification made in | [no date] (2), 2012 (1) |