Home / Cyanobacteria / Filaments / Unbranched / Untapered / No_heterocysts / No_visible_sheath / Tychonema |
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Name derivation: |
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(Gr.) tyche chance, nema thread |
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Classification: |
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Tychonema K. Anagnostidis & J. Komárek 1988; 7 of 10 species descriptions are currently accepted taxonomically (Guiry and Guiry 2016). Order Oscillatoriales; Family Microcoleaceae |
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Similar genera: |
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Oscillatoria has much more pigmentation (chlorophyll a and phycobilins). |
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Morphology: |
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Trichomes mainly solitary, straight or coiled. Cells isodiametric or slightly longer or shorter than wide. chromatic adaptation generally with more phycoerythrin than phycocyanin, giving a slight pink cast. |
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Habitat: |
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Freshwater plankton, tychoplankton or benthos. |
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References: |
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Anagnostidis, K. and J. Komárek 1988. Modern approach to the classification system of cyanophytes. 3. Oscillatoriales. Archiv für Hydrobiologie, Supplement 80: 327-472, 35 figs, 13 tables. Geitler, L. 1932. Cyanophyceae. In: Kryptogamen-Flora von Deutschland, Österreich und der Schweiz. (Rabenhorst, L. Eds) Vol. 14, pp. 673-1056. Leipzig: Akademische Verlagsgesellschaft. Guiry, M.D. and G.M. Guiry 2013. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. http://www.algaebase.org; searched on 22 May 2013. |
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