Rathbunia longispinus (Britton & Rose) P.V.Heath in Calyx 2: 104. 1992 Rathbunia longispinus (Britton & Rose) P.V.Heath in Calyx 2: 104. 1992is new combination for Lemaireocereus longispinus Britton & Rose, Cactaceae 2: 89, f. 131. 1920Taxon for this nameRathbunia longispinus (Britton & Rose) P.V.Heath