Coryphantha muehlenpfordtii subsp. uncinata (L.D.Benson) Dicht in Kakteen And. Sukk. 47: 98. 1996
Coryphantha muehlenpfordtii subsp. uncinata in Kakteen And. Sukk. 47: 98. 1996
is new combination for Coryphantha scheeri var. uncinata in Cact. Succ. J. (Los Angeles) 41: 234. 1969