Opuntia megasperma var. orientalis (J.T.Howell) D.M.Porter in Madroño 25: 58. 1978
Opuntia megasperma var. orientalis in Madroño 25: 58. 1978
is new combination for Opuntia megasperma subsp. orientalis in Proc. Calif. Acad. Sci., ser. 4, 21: 48. 1933
Opuntia megasperma var. orientalis in Madroño 25: 58. 1978