organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Kingdom Protoctista Hogg, 1860
     Phylum Chlorophyta Pascher (1914) - green algae
       Class Charales Lindl. (1836) see Order Charales Lindl. (1836)
         1 Genus Nitella C.Agardh (1824)
         2 Genus Chara L. (1753)