Viridiplantae Cavalier-Smith, 1981 - green plants see Subkingdom Viridiplantae Caval.-Sm. (1981)
   Chlorophyta Pascher (1914) - green algae
     core chlorophytes
       Class Ulvophyceae K.R. Mattox & K.D. Stewart (1984) - ulvophytes
         Trentepohliales Chadef. ex R.H. Thompson & D.E. Wujek (1997)
           1 Genus Trentepohlia Mart. (1817), nom. cons.
           2 Genus Cephaleuros Kunze ex Fr. (1832)