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 Asteridae Takht. (1967) see Superorder Asteranae Takht. (1967)
               Order Calycerales Link (1829) see Order Asterales Link (1829)
                 Family Calyceraceae R.Br. ex Rich. (1820), nom. cons. - Calycera family
                   1 Genus Calycera Cav. (1797)
                   2 Genus Boopis Juss. (1803)