Kingdom Chlorobiota C.Jeffrey ex Doweld (2001) - plants see Subkingdom Viridiplantae Caval.-Sm. (1981)
Count: [*†*] 10p;24c;72o;262f;1685g; †5p;17c;56o;141f;593g
   Subkingdom Pteridobiotina Britton & A. Br. (1896)
  Count: [*†*] 6p;9c;20o;58f;370g; †2p;12c;42o;103f;488g
     Superdivision Cycadophytanae Doweld (2001) see Superphylum Cycadophytanae Doweld (2001)
    Count: [*†*] 5p;5c;9o;12f;83g; †2p;12c;37o;72f;361g
       Division Ginkgophyta Bessey (1907) [monotypic] see Phylum Ginkgophyta Bessey (1907)
      Count: [*†*] 1c;1o;1f;1g; †2o;3f;21g [3 May 2023]
         Class Ginkgoopsida Engl. (1897)
        Count: [*†*] 1o;1f;1g; †2o;3f;21g [3 May 2023]
           Order †Karkeniales Doweld (2001)
          Count: [†*] †2f;8g [3 May 2023]
             Family †Karkeniaceae Krassilov (1972)
            Count: [†*] †7g [2 May 2023]
               Genus †Sphenobaierocladus Yang Xianhe (1986)
              Count: -