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- Desmidiales abstract "Desmids (Gr. desmos, bond or chain) are an order (Desmidiales) in the Charophyta, a division of green algae that forms a sister group to the land plants (Embryophyta).The desmids are often treated as members of the Zygnematales, as family Desmidiaceae. The Desmidiales comprise around 40 genera and 5,000 to 6,000 species, found mostly but not exclusively in fresh water. Many species may be found in the fissures between patches of sphagnum moss in marshes. With a pH level of approximately 4.0, sphagnum peat provides the ideal environment for this flora. The structure of these algae is unicellular, while the cell is sometimes divided into two symmetrical compartments separated by a narrow bridge or isthmus, wherein the spherical nucleus is located. Each semi-cell houses a large, often folded chloroplast for photosynthesizing. One or more pyrenoids can be found. These form carbohydrates for energy storage. Desmids assume a variety of highly symmetrical and generally attractive shapes, among those elongated, star-shaped and rotund configurations, which provide the basis for their classification. The largest among them may be visible to the unaided eye.Desmidiales lack flagella. Desmids commonly reproduce by asexual fission, however, in adverse conditions, Desmidiales may reproduce sexually, through a process of conjugation, which are also found among the Zygnematales. These two groups are closely related, and comprise the class Zygnematophyceae. They resemble the algae genus Spirogyra as some of them are filamentous, such as the species Desmidium swartzii. However, these filaments are arranged in a helix pattern.Desmids possess characteristic crystals of Barium sulphate at either end of the cell which exhibit a continuous Brownian type motion.Many desmids also secrete translucent, gelatinous mucilage from pores in the cell wall that acts a protecting agent.".
- Desmidiales class Zygnematophyceae.
- Desmidiales division Charophyta.
- Desmidiales kingdom Archaeplastida.
- Desmidiales kingdom Plant.
- Desmidiales thumbnail Micrasterias_radiata.jpg?width=300.
- Desmidiales wikiPageID "238881".
- Desmidiales wikiPageLength "5764".
- Desmidiales wikiPageOutDegree "59".
- Desmidiales wikiPageRevisionID "683776875".
- Desmidiales wikiPageWikiLink Algae.
- Desmidiales wikiPageWikiLink Amoeba.
- Desmidiales wikiPageWikiLink Archaeplastida.
- Desmidiales wikiPageWikiLink Barium.
- Desmidiales wikiPageWikiLink Barium_sulfate.
- Desmidiales wikiPageWikiLink Barium_sulphate.
- Desmidiales wikiPageWikiLink Brownian_motion.
- Desmidiales wikiPageWikiLink Category:Charophyta.
- Desmidiales wikiPageWikiLink Category:Green_algae_orders.
- Desmidiales wikiPageWikiLink Cell_(biology).
- Desmidiales wikiPageWikiLink Cellular_compartment.
- Desmidiales wikiPageWikiLink Charophyta.
- Desmidiales wikiPageWikiLink Chloroplast.
- Desmidiales wikiPageWikiLink Closteriaceae.
- Desmidiales wikiPageWikiLink Closterium.
- Desmidiales wikiPageWikiLink Cosmarium.
- Desmidiales wikiPageWikiLink Crystal.
- Desmidiales wikiPageWikiLink Desmidiaceae.
- Desmidiales wikiPageWikiLink Docidium.
- Desmidiales wikiPageWikiLink Embryophyta.
- Desmidiales wikiPageWikiLink Embryophyte.
- Desmidiales wikiPageWikiLink Euastrum.
- Desmidiales wikiPageWikiLink Filamentous_algae.
- Desmidiales wikiPageWikiLink Fission_(biology).
- Desmidiales wikiPageWikiLink Flagella.
- Desmidiales wikiPageWikiLink Flagellum.
- Desmidiales wikiPageWikiLink Food_chain.
- Desmidiales wikiPageWikiLink Fresh_water.
- Desmidiales wikiPageWikiLink Gelatin.
- Desmidiales wikiPageWikiLink Gelatinous.
- Desmidiales wikiPageWikiLink Genus.
- Desmidiales wikiPageWikiLink Glucose.
- Desmidiales wikiPageWikiLink Gonatozygaceae.
- Desmidiales wikiPageWikiLink Green_algae.
- Desmidiales wikiPageWikiLink Isogamy.
- Desmidiales wikiPageWikiLink Micrasterias.
- Desmidiales wikiPageWikiLink Micrasterias_furcata.
- Desmidiales wikiPageWikiLink Netrium.
- Desmidiales wikiPageWikiLink Order_(biology).
- Desmidiales wikiPageWikiLink Oxygen.
- Desmidiales wikiPageWikiLink PH.
- Desmidiales wikiPageWikiLink PH_level.
- Desmidiales wikiPageWikiLink Peniaceae.
- Desmidiales wikiPageWikiLink Photosynthesis.
- Desmidiales wikiPageWikiLink Plant.
- Desmidiales wikiPageWikiLink Plantae.
- Desmidiales wikiPageWikiLink Pleurotaenium.
- Desmidiales wikiPageWikiLink Predation.
- Desmidiales wikiPageWikiLink Predator.
- Desmidiales wikiPageWikiLink Pyrenoid.
- Desmidiales wikiPageWikiLink Reproduction.
- Desmidiales wikiPageWikiLink Species.
- Desmidiales wikiPageWikiLink Sphagnum.
- Desmidiales wikiPageWikiLink Spirogyra.
- Desmidiales wikiPageWikiLink Staurastrum.
- Desmidiales wikiPageWikiLink Strontium.
- Desmidiales wikiPageWikiLink Symmetry.
- Desmidiales wikiPageWikiLink Symmetry_in_biology.
- Desmidiales wikiPageWikiLink Tetmemorus.
- Desmidiales wikiPageWikiLink Xanthidium.
- Desmidiales wikiPageWikiLink Zygnematales.
- Desmidiales wikiPageWikiLink Zygnematophyceae.
- Desmidiales wikiPageWikiLink Zygnemophyceae.
- Desmidiales wikiPageWikiLinkText "Desmidiales".
- Desmidiales wikiPageWikiLinkText "desmids".
- Desmidiales classis Zygnematophyceae.
- Desmidiales classis Zygnemophyceae.
- Desmidiales divisio Charophyta.
- Desmidiales hasPhotoCollection Desmidiales.
- Desmidiales imageCaption "Micrasterias furcata".
- Desmidiales name "Desmids".
- Desmidiales ordo "Desmidiales".
- Desmidiales regnum Plant.
- Desmidiales regnum Plantae.
- Desmidiales subdivision Closteriaceae.
- Desmidiales subdivision "Desmidiaceae".
- Desmidiales subdivision "Gonatozygaceae".
- Desmidiales subdivision "Peniaceae".
- Desmidiales subdivisionRanks "Families".
- Desmidiales unrankedRegnum Archaeplastida.
- Desmidiales wikiPageUsesTemplate Template:Plant_classification.
- Desmidiales wikiPageUsesTemplate Template:Reflist.
- Desmidiales wikiPageUsesTemplate Template:Taxobox.
- Desmidiales wikiPageUsesTemplate Template:Wikispecies.
- Desmidiales subject Category:Charophyta.
- Desmidiales subject Category:Green_algae_orders.
- Desmidiales hypernym Order.
- Desmidiales type Article.
- Desmidiales type Eukaryote.
- Desmidiales type GreenAlga.