Grusonia cholla (F.A.C.Weber) G.D.Rowley in Tephrocactus Study Group 12(3): 44. 2006 Grusonia cholla (F.A.C.Weber) G.D.Rowley in Tephrocactus Study Group 12(3): 44. 2006is new combination for Opuntia cholla F.A.C.Weber in Bull. Mus. Hist. Nat. (Paris) 1: 320. 1895Taxon for this nameGrusonia cholla (F.A.C.Weber) G.D.Rowley