Domain Eucaryota
Count: [*†*] 11k;97p;151c;401o;832f;181g;3s; †13p;32c;87o;175f;72g;3s
   Subdomain Chlorota Doweld (2001)
  Count: [*†*] 5k;64p;91c;384o;817f;166g;3s; †13p;32c;87o;175f;72g;3s [20 Nov 2022]
     Kingdom Chlorobiota C.Jeffrey ex Doweld (2001) - plants see Subkingdom Viridiplantae Caval.-Sm. (1981)
    Count: [*†*] 24p;36c;344o;784f;134g;2s; †13p;32c;87o;175f;72g;3s [20 Nov 2022]
       Subkingdom Pteridobiotina Britton & A. Br. (1896)
      Count: [*†*] 8p;22c;340o;778f;133g; †11p;26c;71o;139f;63g;3s [20 Nov 2022]
         Superphylum Pteridophytanae Doweld (2001)
        Count: [*†*] 4p;12c;26o;59f;17g; †3p;7c;25o;53f;22g;1s [16 Oct 2022]
           Phylum Equisetophyta D.H.Scott (1900) see Division Monilophyta Cantino & Donoghue
          Count: [*†*] 1c;1o;1f; †2c;6o;12f;8g;1s [12 Oct 2022]
             Class Equisetopsida C.Agardh (1825) - horsetails see Subclass Equisetidae Warm. (1883)
            Count: [*†*] 1o;1f; †2o;6f;3g;1s [12 Oct 2022]
               Order †Gondwanostachyales Doweld (2001) see Order Equisetales DC. ex Bercht. & J.Presl (1829)
              Count: [†*] †5f;2g;1s [12 Oct 2022]
                 Family †Notocalamitaceae Rigby (1972)
                Count: -