Grusonia diguetii (F.A.C.Weber) G.D.Rowley in Tephrocactus Study Group 12(3): 42. 2006 Grusonia diguetii (F.A.C.Weber) G.D.Rowley in Tephrocactus Study Group 12(3): 42. 2006is new combination for Opuntia diguetii F.A.C.Weber in Bull. Mus. Hist. Nat. (Paris) 4: 166. 1898Taxon for this nameGrusonia diguetii (F.A.C.Weber) G.D.Rowley