Opuntia laevis var. canada (Griffiths) Peebles in Cact. Succ. J. (Los Angeles) 9: 68. 1937
Opuntia laevis var. canada in Cact. Succ. J. (Los Angeles) 9: 68. 1937
is new combination for Opuntia canada, Ill. Stud. Opuntia: 90–91, t. 6, lower f., t. 2, f. 6, t. 13, f. 2, 12. 1909