Green Algae
Charophytes
Charales (Stoneworts)
Coleochaetales
Desmidiales
(Desmids)
Klebsormidiales
Zygnematales
Chlorophyceae
Micromonadophyceae
(Micromonads)
Pleurastrophyceae
Ulvophyceae (Marine greens)