Cereus nelsonii Weing. in Z. Sukkulentenk. 1: 33. 1923 Cereus nelsonii Weing. in Z. Sukkulentenk. 1: 33. 1923is basionym for Selenicereus nelsonii (Weing.) Britton & Rose, Cactaceae 4: 283. 1923Taxon for this nameCereus nelsonii Weing.
