Viridiplantae Cavalier-Smith, 1981 - green plants see Subkingdom Viridiplantae Caval.-Sm. (1981)
Count: 1p;12c;22o;4f;148g;20s
   Chlorophyta Pascher (1914) - green algae
  Count: 6c;21o;4f;125g;18s
     core chlorophytes
    Count: 4c;15o;3f;107g;15s
       Class Ulvophyceae K.R. Mattox & K.D. Stewart (1984) - ulvophytes
      Count: 7o;2f;42g;4s
         Oltmannsiellopsidales T. Nakayama, S. Watanabe & I. Inouye (1996)
        Count: 2g;2s
           1 Genus Oltmannsiellopsis Chihara & I. Inouye (1986)
          Count: -
           2 Genus Dangemannia Friedl & O'Kelly (2002)
          Count: 1s
           3 Halochlorococcum marinum P.A. Dangeard
          Count: -