Neolloydia johnsonii (Parry ex Engelm.) L.D.Benson, Cacti Ariz., ed. 3: 25. 1969 Neolloydia johnsonii (Parry ex Engelm.) L.D.Benson, Cacti Ariz., ed. 3: 25. 1969is new combination for Echinocactus johnsonii Parry ex Engelm., Botany (Fortieth Parallel): 117. 1871Taxon for this nameNeolloydia johnsonii (Parry ex Engelm.) L.D.Benson