Opuntia laevis J.M.Coult. in Contr. U.S. Natl. Herb. 3(7): 419. 1896
Opuntia laevis in Contr. U.S. Natl. Herb. 3(7): 419. 1896
is basionym for Opuntia engelmannii var. laevis in Phytoneuron 2017-48: 1. 2017
is basionym for Opuntia phaeacantha var. laevis, Cacti Ariz., ed. 3: 21. 1969