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Cladus: Eukaryota
Regnum: Plantae
Divisio: Chlorophyta
Classes: Bryopsidophyceae - Chlorophyceae - Ulvophyceae - Trebouxiophyceae - Prasinophyceae - Pleurastrophyceae - Pedinophyceae


Chlorophyta Reichenbach, 1834

Vernacular names
Deutsch: Grünalgen
English: Green algae
Magyar: Valódi zöldmoszatok
日本語: 緑色植物門
Македонски: Зелени алги
Português: Πράσινα άλγη
Svenska: grönalger
ไทย: สาหร่ายสีเขียว
Türkçe: Yeşil algler
Українська: Зелені водорості

Chlorophyta, a division of green algae,[3] includes about 7,000 species[4][5] of mostly aquatic photosynthetic eukaryotic organisms. Like the land plants (bryophytes and tracheophytes), green algae contain chlorophylls a and b, and store food as starch[4] in their plastids. They are related to the Charophyta and Embryophyta (land plants), together making up the Viridiplantae.

The division contains both unicellular and multicellular species. While most species live in freshwater habitats and a large number in marine habitats, other species are adapted to a wide range of environments. Watermelon snow, or Chlamydomonas nivalis, of the class Chlorophyceae, lives on summer alpine snowfields. Others live attached to rocks or woody parts of trees. Some lichens are symbiotic relationships between fungi and green algae.

Members of the Chlorophyta also form symbiotic relationships with protozoa, sponges and cnidarians. All are flagellated[6] and these have an advantage of motility. Some conduct sexual reproduction, which is oogamous or isogamous.


* Class Bryopsidophyceae Bessey
* Class Chlorophyceae Wille
* Class Pedinophyceae Moestrup

Class Prasinophyceae T. A. Chr. ex Ø. Moestrup & J. Throndsen

* Class Trebouxiophyceae T. Friedl
* Class Ulvophyceae K. R. Mattox & K. D. Stewart
* Class Caryopoceae Jerry

Classification according to Hoek, Mann and Jahns 1995.[4]

* Prasinophyceae
* Chlorophyceae
* Ulvophyceae
* Cladophorophyceae
* Bryopsipophyceae
* Dasycladophyceae
* Trentepoliophyceae
* Pleurastrophyceae (Pleurastrales and Prasiolales)
* Klebsormidiophyceae
* Zygnematophyceae
* Charophyceae

Classification according to Bold and Wynne (Introduction to the Algae, Second Edition, Prentice Hall NJ)

* Volvocales
* Tetrasporales
* Chlorococcales
* Chlorosarcinales
* Ulotrichales
* Sphaeropleales
* Chaetophorales
* Trentepohliales
* Oedogoniales
* Ulvales
* Cladophorales
* Acrosiphoniales
* Caulerpales
* Siphonocladales
* Dasycladales


1. ^ Pascher A (1914). "Über Flagellaten und Algen". Berichte der deutsche botanischen Gesellschaft 32: 136–160.
2. ^ Adl SM, Simpson AGB, Farmer MA, Andersen RA, Anderson OR, Barta JR, Bowser SS, Brugerolle G, Fensome RA, Fredericq S, James TY, Karpov S, Kugrens P, Krug J, Lane CE, Lewis LA, Lodge J, Lynn DH, Mann DG, McCourt RM, Mendoza L, Moestrup Ø, Mozley-Standridge SE, Nerad TA, Shearer CA, Smirnov AV, Speigel FW, Taylor MFJR (2005). "The new higher level classification of eukaryotes with emphasis on the taxonomy of protists". Journal of Eukaryotic Microbiology 52 (5): 399–451. doi:10.1111/j.1550-7408.2005.00053.x. PMID 16248873.
3. ^ a b Guiry, M.D. & Guiry, G.M. (2007). "Phylum: Chlorophyta taxonomy browser". AlgaeBase version 4.2 World-wide electronic publication, National University of Ireland, Galway. http://www.algaebase.org/browse/taxonomy/?id=4307. Retrieved 2007-09-23.
4. ^ a b c Hoek, C. van den, Mann, D.G. and Jahns, H.M. 1995. Algae An Introduction to Phycology. Cambridge University Press, Cambridge. ISBN 0-521-30419-9
5. ^ "Major Algae Phyla - Table - MSN Encarta". Archived from the original on 2009-10-31. http://www.webcitation.org/5kwQwljiE.
6. ^ Kapraun DF (April 2007). "Nuclear DNA content estimates in green algal lineages: chlorophyta and streptophyta". Ann. Bot. 99 (4): 677–701. doi:10.1093/aob/mcl294. PMC 2802934. PMID 17272304. http://aob.oxfordjournals.org/cgi/pmidlookup?view=long&pmid=17272304.

Further reading

* Burrows, E.M. 1991. Seaweeds of the British Isles. Volume 2 Chlorophyta. Natural History Museum, London. ISBN 0-565-00981-8
* Lewis, L. A. & McCourt, R. M. (2004). "Green algae and the origin of land plants". American Journal of Botany 91 (10): 1535–1556. doi:10.3732/ajb.91.10.1535.

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