Najas

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Genus of aquatic plants

title: "Najas" type: doc version: 1 created: 2026-02-28 author: "Wikipedia contributors" status: active scope: public tags: ["najas", "aquatic-plants", "hydrocharitaceae-genera", "botanical-taxa-named-by-carl-linnaeus"] description: "Genus of aquatic plants" topic_path: "general/najas" source: "https://en.wikipedia.org/wiki/Najas" license: "CC BY-SA 4.0" wikipedia_page_id: 0 wikipedia_revision_id: 0

::summary Genus of aquatic plants ::

|image = Illustration Najas marina0.jpg |image_caption = Najas marina |taxon = Najas |authority = L. |synonyms_ref = |synonyms =

  • Fluvialis Ség
  • Caulinia Willd.
  • Ittnera C.C.Gmel.

Najas, the water-nymphs or naiads, is a genus of aquatic plants. It is cosmopolitan in distribution, first described for modern science by Linnaeus in 1753. Until 1997, it was rarely placed in the Hydrocharitaceae, and was often taken as constituting (by itself) the family Najadaceae.

The APG II system, of 2003 (unchanged from the APG system, of 1998), places the genus in family Hydrocharitaceae, in the order Alismatales of the monocots.

An infrageneric classification of two sections is proposed: Section Americanae and sect. Caulinia.

;Species

References

References

  1. Otto Wilhelm Thomé. Flora von Deutschland, Österreich und der Schweiz 1885, Gera, Germany
  2. [http://apps.kew.org/wcsp/synonomy.do?name_id=308218 Kew World Checklist of Selected Plant Families]
  3. {{PLANTS
  4. (1997). "Phylogeny of the family hydrocharitaceae inferred fromrbcL andmatK gene sequence data". Journal of Plant Research.
  5. (1997). "Phylogenetic studies in Alismatidae, II: Evolution of Marine Angiosperms (Seagrasses) and Hydrophily". Systematic Botany.
  6. [https://web.archive.org/web/20000712110354/http://www.ars-grin.gov/cgi-bin/npgs/html/gnlist.pl?561 Genera of Hydrocharitaceae], ''GRIN Taxonomy for Plants''
  7. Angiosperm Phylogeny Group (2003). "An update of the Angiosperm Phylogeny Group classification for the orders and families of flowering plants: APG II". ''Botanical Journal of the Linnean Society'' '''141'''(4): 399-436. (Available online: [https://archive.today/20120919163719/http://www3.interscience.wiley.com/journal/118872219/abstract Abstract]. [https://archive.today/20121205102805/http://www3.interscience.wiley.com/cgi-bin/fulltext/118872219/HTMLSTART Full text (HTML)]. [http://www3.interscience.wiley.com/cgi-bin/fulltext/118872219/PDFSTART Full text (PDF)]{{dead link. (February 2019)
  8. [http://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=10603 197. Najadaceae A. L. de Jussieu], ''[[Flora of North America]]''
  9. Ito, Y., Nr. Tanaka, S.W. Gale, O. Yano, J. Li (2017) "Phylogeny of Najas (Hydrocharitaceae) revisited: Implications for systematics and evolution". ''Taxon'' '''66'''(2): 309-323. [https://doi.org/10.12705/662.2 doi: 10.12705/662.2]

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najasaquatic-plantshydrocharitaceae-generabotanical-taxa-named-by-carl-linnaeus