Torreycactus conothelos var. argenteus (Glass & R.A.Foster) Doweld in Sukkulenty 1(1): 19. 1998
Torreycactus conothelos var. argenteus in Sukkulenty 1(1): 19. 1998
is new combination for Thelocactus conothelos var. argenteus in Cact. Succ. J. (Los Angeles) 44(2): 48. 1972