Domain Eucaryota Subdomain Chlorota Doweld (2001) Kingdom Chlorobiota C.Jeffrey ex Doweld (2001) - plants see Subkingdom Viridiplantae Caval.-Sm. (1981) Subkingdom Pteridobiotina Britton & A. Br. (1896) Superphylum Cycadophytanae Doweld (2001) Phylum Magnoliophyta Cronquist, Takht. & Zimmerm. ex Reveal (1996) see Infraphylum Angiospermae auct. Subphylum Magnoliophytina Reveal (1996) Class Magnoliopsida Brongn. (1843) Subclass Caryophyllidae Takht. (1967) see Order Caryophyllales Juss. ex Bercht. & J.Presl (1820) Superorder Caryophyllanae Takht. (1967) Order Nyctaginales Juss. ex Bercht. & J.Presl (1820) see Order Caryophyllales Juss. ex Bercht. & J.Presl (1820) Suborder Nyctaginineae Doweld (2001), nom. inval. 1 Family Molluginaceae Bartl. (1825), nom. cons. - carpet-weed family 2 Family Nyctaginaceae Juss. (1789), nom. cons. - four o'clock family