Turbinicarpus viereckii subsp. major (Glass & R.A.Foster) Glass, Guía Identific. Cact. Amenazadas México: Tu/vi ssp. major
Turbinicarpus viereckii subsp. major, Guía Identific. Cact. Amenazadas México: Tu/vi ssp. major. 1997 ["1998"]
is new combination for Gymnocactus viereckii var. major in Cact. Succ. J. (Los Angeles) 50: 285. 1978
Turbinicarpus viereckii subsp. major, Guía Identific. Cact. Amenazadas México: Tu/vi ssp. major. 1997 ["1998"]