Armatocereus humilis (Britton & Rose) Backeb., Cactaceae 2: 905. 1959 Armatocereus humilis (Britton & Rose) Backeb., Cactaceae 2: 905. 1959is new combination for Lemaireocereus humilis Britton & Rose, Cactaceae 2: 101, f. 149–150. 1920Taxon for this nameArmatocereus humilis (Britton & Rose) Backeb.