Cereus gracilis var. aboriginum (Small ex Britton & Rose) L.D.Benson in Cact. Succ. J. (Los Angeles) 41: 126. 1969
Cereus gracilis var. aboriginum in Cact. Succ. J. (Los Angeles) 41: 126. 1969
is new combination for Cereus aboriginum in Amer. Midl. Naturalist 33: 495. 1945