Pfeiffera brevispina D.R.Hunt in Cactaceae Syst. Init. 14: 18. 2002 Pfeiffera brevispina D.R.Hunt in Cactaceae Syst. Init. 14: 18. 2002Holotype: Peru, Amazonas, east of Balsas, F. Ritter 1419 (U)Taxon for this namePfeiffera brevispina D.R.Hunt