Grusonia ×kelvinensis (V.E.Grant & K.A.Grant) G.D.Rowley in Tephrocactus Study Group 12(3): 44. 2006 Grusonia ×kelvinensis (V.E.Grant & K.A.Grant) G.D.Rowley in Tephrocactus Study Group 12(3): 44. 2006is new combination for Opuntia ×kelvinensis V.E.Grant & K.A.Grant in Evolution 25: 155. 1971Taxon for this nameGrusonia ×kelvinensis (V.E.Grant & K.A.Grant) G.D.Rowley