Grusonia leptocaulis (DC.) G.D.Rowley in Tephrocactus Study Group 12(3): 44. 2006 Grusonia leptocaulis (DC.) G.D.Rowley in Tephrocactus Study Group 12(3): 44. 2006is new combination for Opuntia leptocaulis DC. in Mém. Mus. Hist. Nat. 17: 118. 1828Taxon for this nameGrusonia leptocaulis (DC.) G.D.Rowley