Thelocactus conothelos var. aurantiacus Glass & R.A.Foster Thelocactus conothelos var. aurantiacus Glass & R.A.Fosteris new combination for Thelocactus conothele var. aurantiacus Glass & R.A.Foster in Cact. Succ. J. (Los Angeles) 44(2): 48. 1972Taxon for this nameThelocactus conothelos var. aurantiacus Glass & R.A.Foster