Carex oederi Retz.

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

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".