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 Myrtidae J.H.Schaffn. (1911)
                   Superorder Euphorbianae Takht. ex Reveal (1992) see Order Malpighiales Juss. ex Bercht. & J.Presl (1820)
                     Order Linales Baskerville (1839) see Order Malpighiales Juss. ex Bercht. & J.Presl (1820)
                       1 Family Hugoniaceae Arn. (1834) see Subfamily Hugonioideae
                       2 Family Linaceae DC. ex Perleb (1818), nom. cons. - flax family
                       3 Family Pseudanthaceae Endl. (1839)
                       4 Family Bischofiaceae Airy Shaw (1965) see Tribe Bischofieae Hurus. (1954)
                       5 Family Antidesmataceae Loud. (1830), nom. cons. prop.
                       6 Family Picrodendraceae Small (1917), nom. cons.
                       7 Family Hymenocardiaceae Airy Shaw (1965) see Tribe Hymenocardieae Hutch. ex G.L. Webster (1994)