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 Polygalales Dumort. (1829) see Order Fabales Bromhead (1838)
                 Family Tremandraceae R.Br. ex DC. (1824), nom. cons. - Tremandra family see Tribe Tremandreae (R.Br. ex DC., 1824) Rchb. (1832)
                   Genus Tetratheca Sm. (1793)