Cereus cuzcoensis (Britton & Rose) Werderm. in Backeberg, Neue Kakteen: 73, 101. 1931 Cereus cuzcoensis (Britton & Rose) Werderm. in Backeberg, Neue Kakteen: 73, 101. 1931is new combination for Trichocereus cuzcoensis Britton & Rose, Cactaceae 2: 136. 1920Taxon for this nameCereus cuzcoensis (Britton & Rose) Werderm.