Carex oederi Retz.

First published in Fl. Scand. Prodr.: 179 (1779)
This species is accepted
The native range of this species is Temp. & Subarctic Northern Hemisphere. It is a perennial or rhizomatous geophyte and grows primarily in the temperate biome.


Native to:

Afghanistan, Alaska, Albania, Alberta, Altay, Austria, Azores, Baltic States, Belarus, Belgium, British Columbia, Bulgaria, California, Central European Rus, Colorado, Connecticut, Corse, Czechoslovakia, Denmark, East European Russia, East Himalaya, Finland, France, Føroyar, Germany, Great Britain, Greece, Greenland, Hungary, Iceland, Idaho, Illinois, Indiana, Iran, Ireland, Italy, Japan, Kamchatka, Kazakhstan, Kirgizstan, Kuril Is., Labrador, Maine, Manitoba, Massachusetts, Michigan, Minnesota, Montana, Morocco, Nepal, Netherlands, Nevada, New Brunswick, New Hampshire, New Jersey, New Mexico, New York, Newfoundland, North Caucasus, North Dakota, North European Russi, Northwest European R, Northwest Territorie, Norway, Nova Scotia, Nunavut, Ohio, Ontario, Oregon, Pennsylvania, Poland, Portugal, Prince Edward I., Québec, Rhode I., Romania, Sakhalin, Sardegna, Saskatchewan, Sicilia, Spain, Sweden, Switzerland, Tadzhikistan, Ukraine, Utah, Uzbekistan, Vermont, Washington, West Himalaya, West Siberia, Wisconsin, Wyoming, Yakutskiya, Yugoslavia, Yukon

Introduced into:

New Zealand North, Tasmania


Homotypic Synonyms

Accepted Infraspecifics

An alternative taxonomy had been proposed by the following authorities:

  • Castroviejo, S. & al. (eds.) (2008). Flora Iberica 18: 1-420. Real Jardín Botánico, CSIC, Madrid. [Cited as Carex viridula.]
  • Egorova, T.V. (1999). The sedges (Carex L.) of Russia and adjacent states (within the limits of the former USSR): 1-772. St. Petersburg State Chemical-Pharmaceutical Academy. [Cited as Carex pilulifera.]
  • Govaerts, R. & Simpson, D.A. (2007). World Checklist of Cyperaceae. Sedges: 1-765. The Board of Trustees of the Royal Botanic Gardens, Kew. [Cited as Carex pilulifera subsp. pilulifera.]
  • Govaerts, R. (1999). World Checklist of Seed Plants 3(1, 2a & 2b): 1-1532. MIM, Deurne. [Cited as Carex pilulifera.]
  • Więcław, H. (2014). Carex flava agg. (section Ceratocystis, Cyperaceae) in Poland: taxonomy, morphological variation and soil conditions. Biodiversity: Research and Conservation 33: 3-47. [Cited as Carex viridula.]

Kew Backbone Distributions

  • Gorchakovskii, P.L. & al. (1994). Opredelitel' sosudistykkhrastenii srednego Urala: 1-524. Nauka, Moscow.
  • Jiménez-Mejías, P., Luceño, M. & Martín-Bravo, S. (2014). Species boundries within the southwest Old World populations of Carex flava group (Cyperaceae). Systematic Botany 39: 117-131.
  • Nikolin, E.G. (2020). Opredelitel' vysshikh rasteniy Yakutii: 1-895. Moskva : Tovarishchestvo Nauchnykh Izdaniy KMK Novosibirsk "Nauka".

Other Data

Other Kew resources that provide information on this taxon:


  • IUCN Categories

    • IUCN Red List of Threatened Species
  • Kew Backbone Distributions

    • The International Plant Names Index and World Checklist of Vascular Plants 2023. Published on the Internet at and
    • © Copyright 2023 World Checklist of Vascular Plants.
  • Kew Names and Taxonomic Backbone

    • The International Plant Names Index and World Checklist of Vascular Plants 2023. Published on the Internet at and
    • © Copyright 2023 International Plant Names Index and World Checklist of Vascular Plants.
  • Kew Science Photographs

    • Copyright applied to individual images