Viridiplantae Cavalier-Smith, 1981 - green plants see Subkingdom Viridiplantae Caval.-Sm. (1981)
   Chlorophyta Pascher (1914) - green algae
     core chlorophytes
       Class Chlorophyceae Wille (1884) - chlorophytes
         1.1 Sphaeropleales Luerssen (1877)
         1.2 Chlamydomonadales F.E. Fritsch
         2.1 Order Chaetopeltidales C.J. O'Kelly, S. Watanabe & G.L. Floyd (1994)
         2.2 Order Chaetophorales Wille
         2.3 Order Oedogoniales Heering (1914)