After Parker, 1982
<==o Charophyceae `--o Charales `--o Characeae |--+-- Tolypella | `-- Nitella `--+-- Lychnothamnus |-- Nitellopsis `--+-- Lamprothamnium `-- Chara
Reference(s):
- Parker, S. P. (ed.), 1982: Synopsis and classification of living organisms. Vols. 1 & 2
–McGrew-Hill Book Company