Cereus paucispinus Engelm. & Bigelow, Pacif. Railr. Rep., Bot. 4: 34. 1857 Cereus paucispinus Engelm. & Bigelow, Pacif. Railr. Rep., Bot. 4: 34. 1857Taxon for this nameCereus paucispinus Engelm. & Bigelow