Phylum Magnoliophyta Cronquist, Takht. & Zimmerm. ex Reveal (1996) see Infraphylum Angiospermae auct.
   Class Magnoliopsida Brongn. (1843)
     Subclass Rosidae Takht. (1967) see Superorder Rosanae Takht. (1967)
       Superorder Geranianae Takht. (1997), nom. inval. see Order Geraniales Juss. ex Bercht. & J.Presl (1820)
         Order Zygophyllales Link (1829)
           Suborder Zygophyllineae see Order Zygophyllales Link (1829)
             Family Zygophyllaceae R.Br. (1814), nom. cons. - creosote-bush family
               Subfamily Zygophylloideae Arn.
                 Tribe Zygophylleae
                   01 Genus Zygophyllum L. (1753)
                   02 Genus Guaiacum L. (1753)
                   03 Genus Miltianthus Bunge (1847) see Genus Zygophyllum L. (1753)
                   04 Genus Bulnesia C. Gay (1846)
                   05 Genus Pintoa C. Gay (1846)
                   06 Genus Porlieria Ruiz & Pav. (1794)
                   07 Genus Larrea Cav. (1800), nom. cons.
                   08 Genus Plectrocarpa Gillies ex Hook. & Arnott, in Hook. (1833)
                   09 Genus Metharme Philippi ex Engl., in Engl. & Prantl (1890)
                   10 Genus Fagonia L. (1753)