Opuntia galapageia var. profusa E.F.Anderson & Walk.in Madroño 20: 256. 1970 sec. Anderson & Walkington 19711
1.Anderson, E. F. & Walkington, D.L. 1971: Cactaceae, pp. 533–546. – In: Wiggins, I. L. & Porter, D. M., Flora of the Galápagos islands. – Palo Alto, CA: Stanford University Press
