Maihueniopsis darwinii var. hickenii (Britton & Rose) R.Kiesling in Darwiniana 25(1–4): 201. 1984 Maihueniopsis darwinii var. hickenii (Britton & Rose) R.Kiesling in Darwiniana 25(1–4): 201. 1984is new combination for Opuntia hickenii Britton & Rose, Cactaceae 1: 93. 1919Taxon for this nameMaihueniopsis darwinii var. hickenii (Britton & Rose) R.Kiesling