(i) Green algae are found all over the world. They combine with fungi to form lichens.
(ii) Algae of the class Charales are considered to be close relatives of higher plants.
(iii) Their pigments are chlorophyll a, b and carotenoids.
(iv) Their stored food is starch.
(v) Their cell wall is composed of cellulose and pectin.
(vi) Number of green algae is 7000.
Some green algae- Ulothrix zonata, Chlorella vulgaris, Spirogyra maxima, Volvox globator etc.
