Opuntia strigii var. flexospina (Griffiths) L.D.Benson in Cact. Succ. J. (Los Angeles) 46: 79. 1974
Opuntia strigii var. flexospina in Cact. Succ. J. (Los Angeles) 46: 79. 1974
is new combination for Opuntia flexospina in Bull. Torrey Bot. Club 43: 87. 1916