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 Rutidae Doweld (2001) Superorder Crossosomatanae Doweld (2001) Order Crossosomatales Takht. ex Reveal (1993) 1 Family Staphyleaceae Martinov (1820), nom. cons. - bladdernut family 2 Family Stachyuraceae J.Agardh (1858), nom. cons. - Stachyurus family 3 Family Crossosomataceae Engl. (1897), nom. cons. - Crossosoma family