Source : WordNet®

division Chlorophyta
     n : large division of chiefly freshwater eukaryotic algae that
         possess chlorophyll a and b, store food as starch, and
         cellulose cell walls; classes Chlorophyceae, Ulvophyceae,
         and Charophyceae; obviously ancestral to land plants
         [syn: {Chlorophyta}]