Echinomastus warnockii (L.D.Benson) Glass & R.A.Foster in Cact. Succ. J. (Los Angeles) 47: 222. 1975 Echinomastus warnockii (L.D.Benson) Glass & R.A.Foster in Cact. Succ. J. (Los Angeles) 47: 222. 1975Taxon for this nameEchinomastus warnockii (L.D.Benson) Glass & R.A.Foster