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Nitella flexilis
Conservation status
Least Concern  (IUCN 3.1)
Scientific classification
Clade:	Viridiplantae
(unranked):	Charophyta
Class:	Charophyceae
Order:	Charales
Family:	Characeae
Genus:	Nitella
Species:	N. flexilis
Binomial name
Nitella flexilis (L.) C.Agardh

Nitella flexilis, the smooth stonewort, is a freshwater species of characean algae that is used as a model organism for its large cell size and relative ease of cultivation in the laboratory.

Description

A robust species growing up to a meter long with axes up to 1mm wide. Branches in whorls once or twice divided.

Distribution

The species occurs on all continents of the world except Australia. It has been recorded from several counties in Ireland. From the Eglinton Canal in Galway; and in Counties Down and Londonderry; River Dorree in Clare Island Co. Mayo 2004.

References

1. Mani, S. (2011). "Nitella flexilis". IUCN Red List of Threatened Species. 2011: e.T177256A7400738. doi:10.2305/IUCN.UK.2011-1.RLTS.T177256A7400738.en. Retrieved 2 January 2025.
2. Straminipilous Fungi: Systematics of the Peronosporomycetes, Including Accounts of the Marine Straminipilous Protists, the Plasmodiophorids, and Similar Organisms. Boston: Kluwer Academic Publishers. 2001. ISBN 978-0-7923-6780-2.
3. BSBI List 2007 (xls). Botanical Society of Britain and Ireland. Archived from the original (xls) on 2015-06-26. Retrieved 2014-10-17.
4. "Nitella flexilis (Linnaeus) C. Agardh". Retrieved 11 January 2010.
5. Ed. Guiry, M.D., John, D.M., Rindi, F. and McCarthy, T.K. 2007. New Survey of Clare Island. Volume 6: The Freshwater and Terrestrial Algae. Royal Irish Academy. ISBN 978-1-904890-31-7
6. IUCN (2010-10-01). Nitella flexilis: Mani, S.: The IUCN Red List of Threatened Species 2013: e.T177256A7400738 (Report). International Union for Conservation of Nature. doi:10.2305/iucn.uk.2011-1.rlts.t177256a7400738.en.
7. Pybus, C.; O'Halloran, P. (2009). "Distribution of some submerged aquatic macrophytes in the Eglinton Canal, Galway". Ir. Nat. J. 30: 51–53.
8. Morton, O. in Hackney, P. 1992. The Flora of the North-east of Ireland. Institute of Irish Studies and The Queen's University Belfast. ISBN 0-85389-446-9
9. Ed. Guiry, M.D., John, D.M., Rindi, F. and McCarthy, T.K. 2007. New Survey of Clare Island. Volume 6: The Freshwater and Terrestrial Algae. Royal Irish Academy. ISBN 978-1-904890-31-7

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