Opuntia ×kelvinensis V.E.Grant & K.A.Grant in Evolution 25: 155. 1971
Opuntia ×kelvinensis in Evolution 25: 155. 1971
is basionym for Cylindropuntia ×kelvinensis in Calyx 4: 142. 1994
is basionym for Grusonia ×kelvinensis in Tephrocactus Study Group 12(3): 44. 2006