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Nostoc

Nostoc A genus of filamentous cyanobacteria (section IV), in which the filaments have a distinctly beaded appearance under the microscope. The filaments typically aggregate to form gelatinous colonies. They are capable of nitrogen fixation. They are found in aquatic and terrestrial habitats. Nostoc punctiliforme occurs in symbiotic association with the plant Gunnera, living in the leaf bases where it fixes atmospheric nitrogen. Nostoc is also found in coralloid root nodules in cycads, as the phycobiont in certain lichens (e.g. the dog lichen, Peltigera canina), and in lichen cephalodia. Some species of Nostoc are used as food in China and Japan.

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"Nostoc." A Dictionary of Plant Sciences. . Encyclopedia.com. 20 Aug. 2017 <http://www.encyclopedia.com>.

"Nostoc." A Dictionary of Plant Sciences. . Encyclopedia.com. (August 20, 2017). http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/nostoc

"Nostoc." A Dictionary of Plant Sciences. . Retrieved August 20, 2017 from Encyclopedia.com: http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/nostoc

nostoc

nostoc a micro-organism composed of beaded filaments which aggregate to form a gelatinous mass, growing in water and damp places and able to fix nitrogen from the atmosphere. It was formerly believed to be an emanation from the stars, and the name was invented by Paracelsus.

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"nostoc." The Oxford Dictionary of Phrase and Fable. . Encyclopedia.com. 20 Aug. 2017 <http://www.encyclopedia.com>.

"nostoc." The Oxford Dictionary of Phrase and Fable. . Encyclopedia.com. (August 20, 2017). http://www.encyclopedia.com/humanities/dictionaries-thesauruses-pictures-and-press-releases/nostoc

"nostoc." The Oxford Dictionary of Phrase and Fable. . Retrieved August 20, 2017 from Encyclopedia.com: http://www.encyclopedia.com/humanities/dictionaries-thesauruses-pictures-and-press-releases/nostoc

nostoc

nostoc genus of algae. XVII. invented by Paracelsus.

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"nostoc." The Concise Oxford Dictionary of English Etymology. . Encyclopedia.com. 20 Aug. 2017 <http://www.encyclopedia.com>.

"nostoc." The Concise Oxford Dictionary of English Etymology. . Encyclopedia.com. (August 20, 2017). http://www.encyclopedia.com/humanities/dictionaries-thesauruses-pictures-and-press-releases/nostoc-1

"nostoc." The Concise Oxford Dictionary of English Etymology. . Retrieved August 20, 2017 from Encyclopedia.com: http://www.encyclopedia.com/humanities/dictionaries-thesauruses-pictures-and-press-releases/nostoc-1

nostoc

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"nostoc." Oxford Dictionary of Rhymes. . Encyclopedia.com. 20 Aug. 2017 <http://www.encyclopedia.com>.

"nostoc." Oxford Dictionary of Rhymes. . Encyclopedia.com. (August 20, 2017). http://www.encyclopedia.com/humanities/dictionaries-thesauruses-pictures-and-press-releases/nostoc-0

"nostoc." Oxford Dictionary of Rhymes. . Retrieved August 20, 2017 from Encyclopedia.com: http://www.encyclopedia.com/humanities/dictionaries-thesauruses-pictures-and-press-releases/nostoc-0