The various evidences which favour the chlorophycean (green algae) origin of land plants are:
(a) Both green algae and land plants possess the same type of chlorophylls, a and b.
(b)The carotenoid pigments are similar in the two group.
(c) Cell wall contain similar cellulose and pectic compounds in the two group.
(d) Starch is the common storage carbohydrate in the two group. It is made of both amylose and amylopectin fractions.
(e) The flagella are similar in the motile forms of the two.