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
मुख्यतः मीठे पानी यूकेरियोटिक शैवाल कि क्लोरोफिल ए और बी