Sclerocactus spinosior var. schlesseri (K.D.Heil & S.L.Welsh) R.May in Cact. Succ. J. (Los Angeles) 60: 35. 1988
Sclerocactus spinosior var. schlesseri in Cact. Succ. J. (Los Angeles) 60: 35. 1988
is new combination for Sclerocactus schlesseri in Great Basin Naturalist 46(4): 677–678. 1986