silverleaf milk-vetch
- kingdom: Plantae
- phylum: Tracheophyta
- class: Magnoliopsida
- order: Fabales
- family: Fabaceae
- genus: Astragalus
- species: Astragalus argophyllus
Pocatello
IdahoElko
NevadaSalina
UtahPine Bluffs
Wyoming
United States