silverleaf milk-vetch
- kingdom: Plantae
- phylum: Tracheophyta
- class: Magnoliopsida
- order: Fabales
- family: Fabaceae
- genus: Astragalus
- species: Astragalus argophyllus
Pocatello
Idaho- Elko
Nevada- Salina
Utah- Pine Bluffs
Wyoming
United States