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Green algae
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Green algae covering rocks along the Pacific coast in Oregon, U.S. green algae Chlamydomonas Halimeda discoidea Scenedesmus (highly magnified). green algae Ulothrix
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Green algae covering rocks along the Pacific coast in Oregon, U.S.
Green algae covering rocks along the Pacific coast in Oregon, U.S.

Green algae

division of algae
Also known as: Chlorophyta, grass-green algae
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Green algae, members of the division Chlorophyta, comprising between 9,000 and 12,000 species. The photosynthetic pigments (chlorophylls a and b, carotene, and xanthophyll) are in the same proportions as those in higher plants. The typical green algal cell, which can be motile or nonmotile, has a central vacuole, pigments contained in plastids that vary in shape in different species, and a two-layered cellulose and pectin cell wall. Food is stored as starch in pyrenoids (proteinaceous...

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