Grusonia ×vivipara (Rose) G.D.Rowley in Tephrocactus Study Group 12(3): 45. 2006 Grusonia ×vivipara (Rose) G.D.Rowley in Tephrocactus Study Group 12(3): 45. 2006is new combination for Opuntia ×vivipara Rose in Smithsonian Misc. Collect. 52: 153. 1909Taxon for this nameGrusonia ×vivipara (Rose) G.D.Rowley