Opuntia flavescens Peebles in Cact. Succ. J. (Los Angeles) 9: 67. 1937 Opuntia flavescens Peebles in Cact. Succ. J. (Los Angeles) 9: 67. 1937is basionym for Opuntia engelmannii var. flavescens (Peebles) L.D.Benson, Cacti Ariz., ed. 2: 58. 1950Taxon for this nameOpuntia flavescens Peebles