Najas flexilis (Willd.) Rostk. & W.L.E.Schmidt

First published in Fl. Sedin.: 382 (1824)
This species is accepted
The native range of this species is Temp. Northern Hemisphere. It is a hydroannual and grows primarily in the temperate biome.

Distribution

Native to:

Alaska, Alberta, Altay, Amur, Austria, Baltic States, Belarus, British Columbia, Buryatiya, California, Central European Russia, Chita, Connecticut, Delaware, Denmark, East European Russia, Finland, Germany, Great Britain, Idaho, Illinois, Indiana, Iowa, Ireland, Irkutsk, Kentucky, Khabarovsk, Maine, Manitoba, Maryland, Massachusetts, Mexico Northwest, Michigan, Minnesota, Missouri, Mongolia, Montana, New Brunswick, New Hampshire, New Jersey, New York, Newfoundland, North Dakota, North European Russia, Northwest European Russia, Norway, Nova Scotia, Ohio, Ontario, Oregon, Pennsylvania, Prince Edward I., Québec, Rhode I., Saskatchewan, South Dakota, Sweden, Switzerland, Utah, Vermont, Virginia, Washington, West Siberia, West Virginia, Wisconsin, Wyoming, Yakutskiya, Yukon

Extinct in:

Poland

Synonyms

Homotypic Synonyms

Heterotypic Synonyms

Classification

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PAFTOL

POWO follows these authorities in accepting this name:

  • Cody, W.J., Bennett, B.A. & Caswell, P. (2005). New records of vascular plants in the Yukon territory VII. Canadian Field-Naturalist 119: 417-436.
  • Flora of North America Editorial Committee (2000). Flora of North America North of Mexico 22: 1-352. Oxford University Press, New York, Oxford.
  • Hassler, M. & Muer, T. (2022). Flora Germanica: alle Farn- und Blütenpflanzen Deutschlands in Text und Bild 1: 1-864. Verlag Regionalkultur, Uberstadt-Weiher.
  • Hellquist, C.E., Hellquist, C.B. & Whipple, J.J. (2014). New records for rare and under-collected aquatic vascular plants of Yellowstone National Park. Madroño 61: 159-176.
  • Knapp, W.M. & Naczi, R.F.C. (2021). Vascular plants of Maryland, USA. A comprehensive account of the state's botanical diversity. Smithsonian Contributions to Botany 113: 1-151.
  • Les, D.H., Les, A.M. & King, U.M. (2015). Najas flexilis (Hydrocharitaceae) in Alaska: a reassessment. Rhodora. Journal of the New England Botanical Club 117: 354-370.
  • Mirek, Z., Piękoś-Mirkowa, H., Zając, A. & Zając, M (2020). Vascular plants of Poland an annotated checklist: 1-526. W. Szafer institute of botany, Polish academy of sciences, Krakow, Poland.
  • Pall, K. (2011). Najas flexilis (Najadaceae or Hydrocharitaceae), a Natura 2000 species - new for Austria. Neilrichia 6: 11-26.
  • Rebman, J.P., Gibson, J. & Rich, K. (2016). Annotated checklist of the vascular plants of Baja California, Mexico. Proceedings of the San Diego Society of Natural History 45: 1-352.
  • Seregin, A.P. (2014). Flora of Vladimir Oblast, Russia: grid data analysis: 1-441. KMK schientific press, Moscow.
  • Stace, C. (2019). New Flora of the British Isles ed. 4: 1-1266. C & M Floristics.
  • Tutin, T.G. & al. (eds.) (1980). Flora Europaea 5: 1-452. Cambridge University Press.

Kew Backbone Distributions

  • (2020). http://dx.doi.org/10.1016/j.japb.2020.06.008. epublication.
  • Cody, W.J., Bennett, B.A. & Caswell, P. (2005). New records of vascular plants in the Yukon territory VII. Canadian Field-Naturalist 119: 417-436.
  • Flora of North America Editorial Committee (2000). Flora of North America North of Mexico 22: 1-352. Oxford University Press, New York, Oxford.
  • Gorchakovskii, P.L. & al. (1994). Opredelitel' sosudistykkhrastenii srednego Urala: 1-524. Nauka, Moscow.
  • Hellquist, C.E., Hellquist, C.B. & Whipple, J.J. (2014). New records for rare and under-collected aquatic vascular plants of Yellowstone National Park. Madroño 61: 159-176.
  • Kharkevich, S.S. (ed.) (1987). Plantae Vasculares Orientalis Extremi Sovietici 2: 1-448. Nauka, Leningrad.
  • Krasnoborov, I.M. (ed.) (2000). Flora of Siberia 1: 1-189. Scientific Publishers, Inc., Enfield, Plymouth.
  • Les, D.H., Les, A.M. & King, U.M. (2015). Najas flexilis (Hydrocharitaceae) in Alaska: a reassessment. Rhodora. Journal of the New England Botanical Club 117: 354-370.
  • Mirek, Z., Piękoś-Mirkowa, H., Zając, A. & Zając, M (2020). Vascular plants of Poland an annotated checklist: 1-526. W. Szafer institute of botany, Polish academy of sciences, Krakow, Poland.
  • Nikolin, E.G. (2020). Opredelitel' vysshikh rasteniy Yakutii: 1-895. Moskva : Tovarishchestvo Nauchnykh Izdaniy KMK Novosibirsk "Nauka".
  • Pall, K. (2011). Najas flexilis (Najadaceae or Hydrocharitaceae), a Natura 2000 species - new for Austria. Neilrichia 6: 11-26.
  • Rebman, J.P., Gibson, J. & Rich, K. (2016). Annotated checklist of the vascular plants of Baja California, Mexico. Proceedings of the San Diego Society of Natural History 45: 1-352.
  • Seregin, A.P. (2014). Flora of Vladimir Oblast, Russia: grid data analysis: 1-441. KMK schientific press, Moscow.
  • Tutin, T.G. & al. (eds.) (1980). Flora Europaea 5: 1-452. Cambridge University Press.

Other Data

Other Kew resources that provide information on this taxon:

Date Reference Identified As Barcode Type Status Has image?
s.coll [s.n.] United States K002907863 Yes
Bennett, A. [s.n.] K002907285 Yes
Drummond-Hay, H.M. [[W6]] United Kingdom K002907243 No
Hjalmar Nilsson, N. [s.n.] Sweden K002907284 Yes
Stewart, S.A. [s.n.] Ireland K002907252 Yes
Norstedt, O. [s.n.] K002907274 Yes
Groves, H.; Groves, J. [1616] Ireland K002907255 No
Syme, J.B. [s.n.] United Kingdom K002907239 No
Pearsall, W.H. [s.n.] United Kingdom K002907232 No
Pearsall, W.H. [s.n.] United Kingdom K002907236 No
Brenan, J.P.M.; Pearsall, W.H. [7177] United Kingdom K002907227 No
Tiselius, G. [s.n.] K002907275 Yes
Oliver, D. [11374] Ireland K002907260 Yes
Pearsall, W.H. [s.n.] United Kingdom K002907235 No
Oliver, D. [s.n.] Ireland K002907261 No
Eames, A.J. [s.n.] United States K001611765 Yes
Eames, A.J. [s.n.] United States K001611764 Yes
[Konig & Sims] [s.n.] K002907865 Yes
Alm, C.G.; Weimarck, H. [s.n.] Sweden K002907276 Yes
[Seehaus] [s.n.] K002907286 Yes
Pearsall, W.H.; Britton, C.E. [s.n.] United Kingdom K002907233 No
Lomax, A.E. [1516] Ireland K002907253 No
Lloyd-Praeger, R. [s.n.] Ireland K002907256 Yes
Hjalmar Nilsson, N. [s.n.] Sweden K002907280 Yes
Paananen, O. [s.n.] K002907271 Yes
Groves, H.; Groves, J. [s.n.] Ireland K002907251 No
Härö, L. [s.n.] K002907270 Yes
Kidston, R. [1248] United Kingdom K002907242 No
s.coll. [s.n.] Ireland K002907263 No
Pearsall, W.H.; Britton, C.E. [s.n.] United Kingdom K002907231 No
Harrison, G.J. [s.n.] United Kingdom K002907237 No
Dybowski, B.; Woloszczak, E. [s.n.] Lithuania K002907272 Yes
Webster, A.; Pearsall, W.H. [1725] United Kingdom K002907234 No
Pearsall, W.H. [s.n.] United Kingdom K002907230 No
{Th. Fries} [s.n.] K002907287 Yes
Symes, J.B. [s.n.] United Kingdom K002907244 No
s.coll. [s.n.] Ireland K002907257 No
Drummond-Hay, H.M. [1248] United Kingdom K002907240 Yes
Robb, D.C.; Sturrock, A. [s.n.] United Kingdom K002907246 Yes
Scully, R.W. [1516] Ireland K002907254 No
Heslop-Harrison, J. [s.n.] United Kingdom K002907238 No
Brenan, J.P.M.; Simpson, N.D. [[4934]] Ireland K002907250 No
Macoun, J. [s.n.] K002907262 No
Hjalmar Nilsson, N. [s.n.] Sweden K002907283 Yes
Smith, N.J.G. [s.n.] United Kingdom K002907249 No
Landmark, A. [s.n.] Norway K002907278 Yes
Stewart, S.A. [5088] Ireland K002907259 Yes
Hjalmar Nilsson, N. [s.n.] Sweden K002907282 Yes
Britton, C.E.; Pearsall, W.H. [s.n.] United Kingdom K002907228 No
Hjalmar Nilsson, N. [s.n.] Sweden K002907279 Yes
Worsdell, W.C. [741/2] United Kingdom K002907229 No
Belcher, J.H. [s.n.] K002907245 No
Nordstedt, O. [s.n.] K002907281 Yes
Meikle, R.D. [170] United Kingdom K002907258 No
Litvinov, D. [s.n.] Russia K002907273 Yes
Rattray [s.n.] United Kingdom K002907247 Yes
Lundquist, P.F. [s.n.] Sweden K002907277 Yes
Heslop-Harrison, J. [s.n.] United Kingdom K002907241 Yes
Boswell Syme, J. [s.n.] United Kingdom K002907248 No
Cruttwell, N.E.G.; Crutwell, M.M. [741/2] United Kingdom K002907226 No

Sources

  • Angiosperm Extinction Risk Predictions v1

    • Angiosperm Threat Predictions
    • http://creativecommons.org/licenses/by/4.0
  • Herbarium Catalogue Specimens

    • 'The Herbarium Catalogue, Royal Botanic Gardens, Kew. Published on the Internet http://www.kew.org/herbcat [accessed on Day Month Year]'. Please enter the date on which you consulted the system.
    • Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/3.0/
  • IUCN Categories

    • IUCN Red List of Threatened Species
    • http://creativecommons.org/licenses/by-nc-sa/3.0
  • Kew Backbone Distributions

    • The International Plant Names Index and World Checklist of Vascular Plants 2025. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
    • © Copyright 2023 World Checklist of Vascular Plants. http://creativecommons.org/licenses/by/3.0
  • Kew Names and Taxonomic Backbone

    • The International Plant Names Index and World Checklist of Vascular Plants 2025. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
    • © Copyright 2023 International Plant Names Index and World Checklist of Vascular Plants. http://creativecommons.org/licenses/by/3.0