halfmoon milkvetch
- kingdom: Plantae
- phylum: Tracheophyta
- class: Magnoliopsida
- order: Fabales
- family: Fabaceae
- genus: Astragalus
- species: Astragalus allochrous
Chihuahua- Ciudad Juárez
Chihuahua- Santa Catarina de Tepehuanes
Durango- San Luis Potosí
San Luis Potosí
Mexico
Oracle- Rio Verde
- Wickenburg
Arizona- Deming
- Grants
- Silver City
New Mexico
United States