Echinocactus peeblesianus (Croizat) L.D.Benson, Cacti Ariz., ed. 2: 108. 1950 Echinocactus peeblesianus (Croizat) L.D.Benson, Cacti Ariz., ed. 2: 108. 1950is new combination for Navajoa peeblesiana Croizat in Cact. Succ. J. (Los Angeles) 15(6): 89, f. 42. 1943Taxon for this nameEchinocactus peeblesianus (Croizat) L.D.Benson