Echinopsis longispina (Britton & Rose) Werderm. in Backeberg, Neue Kakteen: 84. 1931 Echinopsis longispina (Britton & Rose) Werderm. in Backeberg, Neue Kakteen: 84. 1931is new combination for Lobivia longispina Britton & Rose, Cactaceae 3: 51, f. 64, 65. 1922Taxon for this nameEchinopsis longispina (Britton & Rose) Werderm.