Coryphantha duncanii (Hester) L.D.Benson in Cact. Succ. J. (Los Angeles) 41: 189. 1969
Coryphantha duncanii in Cact. Succ. J. (Los Angeles) 41: 189. 1969
is new combination for Escobesseya duncanii in Desert Pl. Life 13: 192. 1941
Coryphantha duncanii in Cact. Succ. J. (Los Angeles) 41: 189. 1969
Taxon for this name