Cereus grenadensis Britton & Rose, Cactaceae 2: 18, 223. 1920 Cereus grenadensis Britton & Rose, Cactaceae 2: 18, 223. 1920is basionym for Subpilocereus grenadensis (Britton & Rose) Backeb., Cactaceae 4: 2383. 1960Taxon for this nameCereus grenadensis Britton & Rose, Cactaceae 2: 18, 223. 1920