Astragalus arizonicus A. Gray in Proc. Amer. Acad. Arts 7: 398. 1868 sec. Téllez-Valdés 2009
- ≡Hamosa arizonica (A. Gray) Rydb. in Bull. Torrey Bot. Club 54(1): 22. 1927 syn. sec. Téllez-Valdés 2009
- =Tragacantha arizonica (A. Gray) Kuntze, Rev. Gen. 2: 943. 1891 syn. sec. Téllez-Valdés 2009