Neolloydia viereckii var. major (Glass & R.A.Foster) E.F.Anderson in Bradleya 4: 15. 1986
Neolloydia viereckii var. major in Bradleya 4: 15. 1986
is new combination for Gymnocactus viereckii var. major in Cact. Succ. J. (Los Angeles) 50: 285. 1978