Turbinicarpus schmiedickeanus var. gracilis (Glass & R.A.Foster) Glass & R.A.Foster in Cact. Succ. J. (Los Angeles) 49:
Turbinicarpus schmiedickeanus var. gracilis in Cact. Succ. J. (Los Angeles) 49: 167. 1977
is new combination for Turbinicarpus gracilis in Cact. Succ. J. (Los Angeles) 48(4): 176. 1976