Sinónimos: Liliatae (Takhtajan 1966), Liliopsida (Batsch 1802, Cronquist 1981, Reveal 1999, NCBI), Monocotyledoneae (Candolle 1817, Brongniart 1843, Willkomm 1854, Engler 1886̟-1924, Melchior 1964, Goldberg 1989, Kubitzki 1990, APG III 2009), Alternifoliae (Bessey 1915), Liliidae (Dahlgren 1975, Thorne 1992, Shipunov 2015), e informalmente monocots (APG 1998, 2003).