Kingdom Chlorobiota C.Jeffrey ex Doweld (2001) - plants see Subkingdom Viridiplantae Caval.-Sm. (1981)
Ref: A. Novikoff & B. Barabasz-Krasny, 2015: 23; Count: [*†*] 10p;24c;72o;262f;1685g; †5p;17c;56o;141f;593g
   Subkingdom Pteridobiotina Britton & A. Br. (1896)
  Ref: A. Novikoff & B. Barabasz-Krasny, 2015: 47; Count: [*†*] 6p;9c;20o;58f;370g; †2p;12c;42o;103f;488g
     Superdivision Cycadophytanae Doweld (2001) see Superphylum Cycadophytanae Doweld (2001)
    Ref: A. Novikoff & B. Barabasz-Krasny, 2015: 54; Count: [*†*] 5p;5c;9o;12f;83g; †2p;12c;37o;72f;361g
       Division Pinophyta Cronquist, Takht. & Zimmerm. ex Reveal (1996) [monotypic]
      Ref: A. Novikoff & B. Barabasz-Krasny, 2015: 60; Count: [*†*] 1c;3o;6f;69g; †4o;13f;143g [19 May 2023]
         Class Pinopsida Burnett (1835)
        Ref: A. Novikoff & B. Barabasz-Krasny, 2015: 60; Count: [*†*] 3o;6f;69g; †4o;13f;143g [19 May 2023]
           Order †Vojnovskyales Neub. (1955)
          Ref: A. Novikoff & B. Barabasz-Krasny, 2015: 61; Count: [†*] †2f;14g [8 May 2023]
             Family †Vojnovskyaceae Neub. (1963)
            Ref: A. Novikoff & B. Barabasz-Krasny, 2015: 61; Count: [†*] †11g [8 May 2023]
               Genus †Gaussia Neuburg (1934), nom. illeg.
              Ref: A. Novikoff & B. Barabasz-Krasny, 2015: 61; Count: -