Describe the important features of chlorophyceae?

It has one cell, its a green algae from ponds.Many other species of Chlorophyceae are common.Oedogonium grows in freshwater worldwide, usually attached to other plants or algae; it has been a subject of intense study for its unusual cell division method. Species of Chlorococcales are frequently found in soil or mud, and some, such as Apatococcus may be found growing in bright green patches on walls and the sides of trees where moist conditions prevail.