Opuntia engelmannii subsp. aciculata (Griffiths) U.Guzmán & Mandujano in Cactaceae Syst. Init. 16: 18. 2003
Opuntia engelmannii subsp. aciculata in Cactaceae Syst. Init. 16: 18. 2003
is new combination for Opuntia aciculata in Proc. Biol. Soc. Washington 29(3): 10–11. 1916
Opuntia engelmannii subsp. aciculata in Cactaceae Syst. Init. 16: 18. 2003