the root (no rank)
Eukaryota (domain)
Viridiplantae (kingdom)
Chlorophyta (phylum)
green algae (common name)
[hide inferior taxa]
Charophyceae (class)
Chlorophyceae (class)
Pedinophyceae (class)
Prasinophyceae (class)
Trebouxiophyceae (class)
Ulvophyceae (class)