Kingdom Chlorobionta Jeffrey, 1982 see [unranked] Chloroplastida S.M. Adl et al., 2005
   Division Charophyta Migula (1889) - charophyte algae and embryophytes see charophytes
     Class Zygnemophyceae - conjugates see Class Zygnematophyceae C.Hoek, D.G.Mann & H.M. Jahns (1995), nom. inval.
       1 Order Zygnematales - filamentous conjugates and saccoderm desmids
       2 Order Desmidiales - placoderm desmids