Torreycactus conothelos subsp. argenteus (Glass & R.A.Foster) Doweld in Sukkulenty 3: 37. 2000
Torreycactus conothelos subsp. argenteus in Sukkulenty 3: 37. 2000
is new combination for Thelocactus conothelos var. argenteus in Cact. Succ. J. (Los Angeles) 44(2): 48. 1972