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 Equisetophyta D.H.Scott (1900) see Phylum Equisetophyta D.H.Scott (1900)
           Subdivision Equisetopsida Agardh (1825) see Class Sphenopsida
             Order Equisetales DC. ex Bercht. & J.Presl (1829)
               Family Equisetaceae Michx. ex DC. (1804) - horsetails
                 Genus Equisetum L. (1753)