Ritterocereus deficiens (Otto & A.Dietr.) Backeb. in Cact. Succ. J. (Los Angeles) 23(4): 121. 1951
Ritterocereus deficiens in Cact. Succ. J. (Los Angeles) 23(4): 121. 1951
is new combination for Cereus deficiens in Allg. Gartenzeitung 6: 28. 1838