Two-grooved milkvetch
- kingdom: Plantae
- phylum: Tracheophyta
- class: Magnoliopsida
- order: Fabales
- family: Fabaceae
- genus: Astragalus
- species: Astragalus bisulcatus
Lethbridge- Peace River
Alberta
Canada
Deer Lodge- Great Falls
- Helena
- Livingston
Montana- Franklin
Nebraska- Carbonville
- Price
Utah- Guernsey
Wyoming
United States