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Name derivation: |
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Classification: |
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Mougeotia C.Agardh 1824; 166 of 198 species descriptions are currently accepted taxonomically (Guiry and Guiry 2013) . Order Zygnematales; Family Zygnemataceae Synonyms in Phycokey: Mougeotiopsis, Debarya
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Morphology: |
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Thalli unbranched, forming intertwining filaments. Cells cylindrical, 5 to 30 µm in diameter, much longer than wide; cell wall two-layered with inner cellulose, outer mucilage layer. There are no flagellated stages; a few species with one- or two-celled basal branches that anchor filament. Cell uninucleate; chloroplasts one per cell. Its single nucleus is found halfway along the length of the cell.
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Similar genera: |
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Two related non-desmid conjugating characeans are Spirogyra that has helical chloroplasts, and Zygnema with two stellate chloroplasts.
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Habitat: |
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Widespread in freshwater habitats worldwide. Filaments usually found as free-floating masses or ‘clouds’ resting on sediment.
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References: |
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Agardh, C.A. 1824. Systema Algarum. pp. [i]-xxxvii, [1]-312. Lundae [Lund]: Literis Berlingianis [Berling]. Guiry, M.D. & Guiry, G.M. 2013. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. http://www.algaebase.org
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