Echinopsis backebergii subsp. wrightiana (Backeb.) M.Lowry in Cactaceae Syst. Init. 20: 15. 2005
Echinopsis backebergii subsp. wrightiana in Cactaceae Syst. Init. 20: 15. 2005
is new combination for Lobivia wrightiana in Blätt. Kakteenf. 1937(12): 1, genus 57, sp. 29. 1937