flexile milk-vetch
- kingdom: Plantae
- phylum: Tracheophyta
- class: Magnoliopsida
- order: Fabales
- family: Fabaceae
- genus: Astragalus
- species: Astragalus flexuosus
- Edmonton
Alberta
Canada- Great Falls
Montana- Santa Fe
- White Rock
New Mexico- Laramie
Wyoming
United States