Astragalus crassicarpus Nutt.
Engl.: groundplum milkvetch, buffalo-plum, ground-plum.
Bot. syn.: Astragalus caryocarpus Ker Gawl., Astragalus mexicanus A. DC., Astragalus succulentus Richards., Geoprumnon crassicarpum (Nutt.) Rydb. ex Small, Geoprumnon mexicanum (A. DC.) Rydb., Tragacantha mexicana (A. DC.) Kuntze.