Opuntia zacana J.T.Howell in Proc. Calif. Acad. Sci., ser. 4, 21: 48. 1933
Opuntia zacana in Proc. Calif. Acad. Sci., ser. 4, 21: 48. 1933
is basionym for Opuntia galapageia var. zacana, Cactaceae 1: 562. 1958
is basionym for Opuntia echios var. zacana in MadroƱo 20: 256. 1970