Cereus triangularis (L.) Haw., Syn. Pl. Succ.: 180. 1812 Cereus triangularis (L.) Haw., Syn. Pl. Succ.: 180. 1812is new combination for Cactus triangularis L., Sp. Pl.: 468. 1753Taxon for this nameCereus triangularis (L.) Haw.