Opuntia ×rooneyi M.P.Griff. in Cact. Succ. J. (Los Angeles) 73: 307. 2001 Opuntia ×rooneyi M.P.Griff. in Cact. Succ. J. (Los Angeles) 73: 307. 2001Taxon for this nameOpuntia ×rooneyi M.P.Griff. in Cact. Succ. J. (Los Angeles) 73: 307. 2001