organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
Count: 3k;19p;19c;80o;136f; †5p;1c;37o;52f
   Domain Eukaryota Chatton, 1925 - eukaryotes
  Count: 2k;18p;19c;77o;136f; †5p;1c;37o;52f
     Kingdom Plantae Haeckel (1866) - plants
    Count: 8p;11c;66o;136f; †5p;1c;37o;52f
       Subkingdom Viridaeplantae Cavalier-Sm. (1981) - green plants see [unranked] Viridiplantae Cavalier-Smith, 1981
      Count: 8p;11c;66o;136f; †5p;1c;37o;52f
         Land plants
        Count: 7p;7c;54o;127f; †5p;1c;33o;38f
           Phylum Lycophyta - lycophytes see Infraphylum Lycophytae (auct.) Cavalier-Sm. (1998)
          Count: [f†f] 1c;3o;3f; †4o;4f
             Class Lycopsida - club-mosses see Class Lycopodiopsida Bartl. (1830)
            Count: [f†f] 3o;3f; †4o;4f
               Order Isoetales Prantl (1874) - quillworts see Order Isoëtales Prantl (1874)
              Count: [f†f] 1f; †1f
                 1 Family †Chaloneriaceae Pigg & G.W.Rothwell (1983)
                Count: -
                 2 Family Isoetaceae Rchb. (1828) see Family Isoëtaceae Rchb. (1828)
                Count: -