Grusonia ×tetracantha (Toumey) G.D.Rowley in Tephrocactus Study Group 12(3): 45. 2006
Grusonia ×tetracantha in Tephrocactus Study Group 12(3): 45. 2006
is new combination for Opuntia ×tetracantha in Gard. & Forest 9: 432. 1896
Grusonia ×tetracantha in Tephrocactus Study Group 12(3): 45. 2006
Taxon for this name