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 Rutanae Takht. (1967) see Order Sapindales Juss. ex Bercht. & J.Presl (1820)
         Order Rutales Perleb (1826) see Order Sapindales Juss. ex Bercht. & J.Presl (1820)
           Suborder Rutineae see Order Sapindales Juss. ex Bercht. & J.Presl (1820)
             Family Rutaceae Juss. (1789), nom. cons. - rue family
               Subfamily Citroideae (Roussel, 1806) see Subfamily Aurantioideae (Juss.) Eaton (1836)
                 Tribe Citreae Meisn. (1837) see Tribe Aurantieae Rchb. (1832)
                   1 Genus Poncirus Rafinesque (1838) - trifoliate orange
                   2 Genus Citrus L. (1753) - citrus fruits
                   3 Genus Microcitrus Swingle (1915) see Genus Citrus L. (1753)
                   4 Genus Fortunella Swingle (1915) - kumquats
                   5 Genus Citropsis (Engl.) W.T. Swingle & M. Kellerman (1914) - cherry oranges
                   6 Genus Limonia L. (1762) - curd fruit
                   7 Genus Triphasia Loureiro (1790)