Viridiplantae Cavalier-Smith, 1981 - green plants see Subkingdom Viridiplantae Caval.-Sm. (1981)
   Streptophyta Jeffrey 1967 [Crane & Kenrick 1997], nom. cl. inval. see Infrakingdom Streptophyta Caval.-Sm. (1993)
     charophytes see Phylum Charophyta Migula (1889)
       1 ?Mesostigmatophyceae B.Marin & M. Melkonian (1999) - mesostigmatophytes
       2 Chlorokybophyceae - chlorokybophytes
       3.1 Klebsormidiophyceae C.Hoek, D.G.Mann & H.M. Jahns (1995) - klebsormidiophytes
       3.2.1 Class Charophyceae Rabenh. (1863) - stoneworts
       3.2.2.1 Class Zygnematophyceae C.Hoek, D.G.Mann & H.M. Jahns (1995), nom. inval. - conjugating green algae see Class Zygnematophyceae Round ex Guiry (2013)
       3.2.2.2 Coleochaetophyceae Bessey ex Woods (1894) - coleochaetophytes