Chlorophyta
General description:
Cells with 1 to several green chloroplasts, colonial, filamentous, coenocytic or macrophytes with robust axes bearing whorls of branches and branchlets; motile or non-motile, if motile then normally having (1-)2 or 4 usually apical flagella (except orders Charales and Oedogoniales); storage material principally starch surrounding 1 to several pyrenoids; sexual reproduction oogamous in some orders.