living organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Superkingdom Eukaryotae see Domain Eukaryota Chatton, 1925
     Kingdom Plantae Haeckel (1866) - plants
       Subkingdom Embryobionta Cronquist, Takht. & W.Zimm.
         Division Magnoliophyta Cronquist, Takht. & Zimmerm. (1966) see Phylum Magnoliophyta Cronquist, Takht. & Zimmerm. ex Reveal (1996)
           Class Magnoliopsida Brongn. (1843)
             Subclass Rosidae Takht. (1967) see Superorder Rosanae Takht. (1967)
               Order Celastrales Link (1829)
                 Family Aquifoliaceae Bercht. & J.Presl (1825), nom. cons. - holly family
                   1 Genus Ilex L. (1753)
                   2 Genus Nemopanthus Rafinesque (1819), nom. cons. see Genus Ilex L. (1753)
                   3 Genus Phelline Labill. (1824)
                   4 Genus Sphenostemon Baill. (1875)