Cereus brittonianus Werderm. in Backeberg, Neue Kakteen: 68. 1931 Cereus brittonianus Werderm. in Backeberg, Neue Kakteen: 68. 1931is basionym for Monvillea brittoniana (Werderm.) Borg, Cacti, ed. 2: 131. 1951Taxon for this nameCereus brittonianus Werderm.