Sirogonium

Sirogonium is a genus of filamentous charophyte green algae of the order Zygnematales. It is found in freshwater areas on all continents but Antarctica. Spirogyra measures approximately 32–115 μm in width. Each cell contains 2–10 chloroplasts in a ribbon, in contrast to the closely related genus Spirogyra, which has chloroplasts in a coil.[1][2]

Sirogonium
Scientific classification
Kingdom:
Plantae
Division:
Charophyta
Class:
Zygnematophyceae
Order:
Zygnematales
Family:
Zygnemataceae
Genus:
Sirogonium

Kützing 1843
Type species
Sirogonium sticticum (Smith) Kützing
Species

21; see text.

Species

The following species are currently accepted:[3]

  • Sirogonium calosporum Zhu
  • Sirogonium ceylanicum Wittrock
  • Sirogonium decoratum Prescott
  • Sirogonium denticulatum W.J.Zhu
  • Sirogonium floridanum (Transeau) G.M.Smith
  • Sirogonium fuscosporum Woodhead & Tweed
  • Sirogonium guangzhouense Zhu
  • Sirogonium hui (L.C.Li) Transeau
  • Sirogonium illinoisense (Transeau) G.M.Smith
  • Sirogonium indicum Singh
  • Sirogonium inflatum Dixit
  • Sirogonium kamatii Kadlubowska
  • Sirogonium khoriense Masud-ul-Hassan & M.Nizamuddin
  • Sirogonium melanosporum (Randhawa) Transeau
  • Sirogonium phacosporum Skuja
  • Sirogonium pseudofloridanum (Prescott) Transeau
  • Sirogonium reticulatum Randhawa
  • Sirogonium retroversum H.C.Wood
  • Sirogonium sticticum (Smith) Kützing
  • Sirogonium vandalurense Iyengar
  • Sirogonium ventersicum Transeau
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References
  1. Drummond, Christopher S.; Hall, John; Karol, Kenneth G.; Delwiche, Charles F.; McCourt, Richard M. (2005). "Phylogeny of Spirogyra and Sirogonium (Zygnematophyceae) Based on Rbcl Sequence Data1". Journal of Phycology. 41 (5): 1055. doi:10.1111/j.1529-8817.2005.00130.x.
  2. Hall, John D.; Karol, Kenneth G.; McCourt, Richard M.; Delwiche, Charles F. (2008). "Phylogeny of the Conjugating Green Algae Based on Chloroplast and Mitochondrial Nucleotide Sequence Data". Journal of Phycology. 44 (2): 467. doi:10.1111/j.1529-8817.2008.00485.x. PMID 27041201.
  3. "Sirogonium Kützing, 1843, nom. cons. :: Algaebase". algaebase.org. Retrieved 2015-11-14.
  • John Whitton, B.A. and Brook, A.J. (editors) 2002. The Freshwater Algal Flora of the British Isles. Cambridge University Press, Cambridge. ISBN 0-521-77051-3.
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