Green algae are microscopic protists. One can find them in all sorts of natural water: salt water, freshwater and brackish water. The group is less used in classification today. Although most are descended from a common ancestor, some are not. Some of their descendants, the land plants are not included in the group, so the group is not monophyletic.
The green algae include unicellular and colonial flagellates, usually but not always with two flagella per cell, as well as various colonial, coccoid, and filamentous forms. In the Charales, the closest relatives of higher plants, full differentiation of tissues occurs. There are about 6000 species of green algae. Many species live most of their lives as single-cells, other species form colonies or long filaments.
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References[change | change source]
- Jeffrey D. Palmer, Douglas E. Soltis and Mark W. Chase (2004). "The plant tree of life: an overview and some points of view". American Journal of Botany 91 (10): 1437–1445. doi:10.3732/ajb.91.10.1437. PMID 21652302. http://www.amjbot.org/cgi/content/full/91/10/1437.
- Thomas, D. 2002. Seaweeds. The Natural History Museum, London. ISBN 0-565-09175-1
More reading[change | change source]
- Lewis L.A & R.M. McCourt (2004). "Green algae and the origin of land plants". American Journal of Botany 91 (10): 1535–1556. http://www.amjbot.org/cgi/reprint/91/10/1535?maxtoshow=&HITS=10&hits=10&RESULTFORMAT=&searchid=1&FIRSTINDEX=0&sortspec=relevance&volume=91&firstpage=1535&resourcetype=HWCIT.
- F. Leliaert, and others (2012). "Phylogeny and molecular evolution of the green algae" (PDF). Critical Reviews in Plant Sciences 31 (1): 1-46. http://images.algaebase.org/pdf/5628E58F0ecc431F0CsJm2B04CAD/49951.pdf.
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