Coryphantha elephantidens subsp. greenwoodii (Bravo) Dicht & A.Lüthy in Cactaceae Syst. Init. 11: 14. 2001
Coryphantha elephantidens subsp. greenwoodii in Cactaceae Syst. Init. 11: 14. 2001
is new combination for Coryphantha greenwoodii in Cact. Suc. Mex. 15: 27. 1970