Source:http://linkedlifedata.com/resource/umls/id/C0002032
CSP: green algae; in this division of algae, the green pigment of chlorophyll is not masked by other pigments; there are over 7000 species; most live in freshwater, about ten percent are marine.,MSH: A phylum of photosynthetic EUKARYOTA bearing double membrane-bound plastids containing chlorophyll a and b. They comprise the classical green algae, and represent over 7000 species that live in a variety of primarily aquatic habitats. Only about ten percent are marine species, most live in freshwater.