Grusonia rotundifolia (DC.) G.D.Rowley in Tephrocactus Study Group 12(3): 43. 2006 Grusonia rotundifolia (DC.) G.D.Rowley in Tephrocactus Study Group 12(3): 43. 2006is new combination for Pereskia rotundifolia DC., Prodr. 3: 475. 1828Taxon for this nameGrusonia rotundifolia (DC.) G.D.Rowley