organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Domain Eukaryota Chatton, 1925 - eukaryotes
     Kingdom Plantae Haeckel (1866) - plants
       Subkingdom Viridaeplantae Cavalier-Sm. (1981) - green plants see [unranked] Viridiplantae Cavalier-Smith, 1981
         Land plants
           Phylum Pteridophyta Schimp. (1879) see Phylum Filicinophyta
             †early fernlike plants see Order Coenopteridales Delevoryas & Morgan
               1 Order †Rhacophytales Němejc (1963) see Order Zygopteridales Emberger (1944)
               2 Order †Stauropteridales Emberger (1944)
               3 Order †Zygopteridales Emberger (1944)