Opuntia engelmannii var. aciculata (Griffiths) Bravo in Cact. Suc. Mex. 19: 47. 1974
Opuntia engelmannii var. aciculata in Cact. Suc. Mex. 19: 47. 1974
is new combination for Opuntia aciculata in Proc. Biol. Soc. Washington 29(3): 10–11. 1916
Opuntia engelmannii var. aciculata in Cact. Suc. Mex. 19: 47. 1974