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Carex viridula

{{Short description|Species of grass-like plant}}

{{Use dmy dates|date=December 2022}}

{{Use American English|date=December 2022}}

{{Speciesbox

|image = CarexViridula1.jpg

|image_caption = Carex viridula var. viridula

|image_alt =

|status = {{TNCStatus}}

|status_system = TNC

|status_ref =

|genus = Carex

|parent = Carex sect. Ceratocystis

|species = viridula

|authority = Michx.

}}

Carex viridula, known as little green sedge, green sedge, or greenish sedge, is a small flowering plant native to North America, Europe, Asia, and Morocco.

Taxonomy

Carex viridula is in the section Carex sect. Ceratocystis, a circumboreal group with around six other species, although the taxonomy of this group is controversial, and up to 19 species have been recognized.

Flora of North America accepts the following three subspecies and two varieties of Carex viridula:

  • Carex viridula subsp. brachyrrhyncha
  • Carex viridula var. elatior
  • Carex viridula var. saxilittoralis
  • Carex viridula subsp. oedocarpa
  • Carex viridula subsp. viridula

There is also variety Carex viridula var. bergrothii {{small|(Palmgr.) B.Schmid}} (synonym Carex bergrothii {{small|Palmgr.}}).

Kew's Plants of the World Online considers Carex viridula a synonym of Carex oederi, and accepts two varieties:

  • Carex oederi var. bergrothii {{small|(Palmgr.) Hedrén & Lassen}}
  • Carex oederi var. oederi

Conservation status

It is listed as endangered in Connecticut and Pennsylvania. It is listed as threatened in Illinois.

References

{{Reflist|refs=

{{Unbulleted list citebundle

| 1= i. {{Cite journal | last1 = Crins | first1 = William J. | last2 = Ball | first2 = Peter W. | date = January 1988 | title = Sectional limits and phylogenetic considerations in Carex section Ceratocystis (Cyperaceae) | url = https://www.researchgate.net/publication/226565526 | journal = Brittonia | volume = 40 | issue = 1 | pages = 38–47 | doi = 10.2307/2806873 | jstor = 2806873 | s2cid = 39085479 | language = en | via = ResearchGate }}

| 2 = ii. {{Cite journal | last1 = Crins | first1 = William J. | last2 = Ball | first2 = Peter W. | date = April 1989 | title = Taxonomy of the Carex flava complex (Cyperaceae) in North America and northern Eurasia. II. Taxonomic treatment | url = https://www.researchgate.net/publication/237163828 | journal = Canadian Journal of Botany | volume = 67 | issue = 4 | pages = 1048–1065 | doi = 10.1139/b89-138 | language = en | via = ResearchGate }}

}}

{{Cite web | title = Connecticut's Endangered, Threatened and Special Concern Species 2015 | url = http://www.ct.gov/deep/lib/deep/wildlife/pdf_files/nongame/ets15.pdf | publisher = State of Connecticut Department of Energy and Environmental Protection Bureau of Natural Resources | language = en | access-date = 19 December 2019 }}

{{Cite eFloras|1|242357620|volume=23|Carex viridula|last=Crins |first=William J. |access-date=20 December 2019}}

{{Cite eFloras|1|302682|volume=23|Carex sect. Ceratocystis |last=Crins |first=William J. |access-date=20 December 2019}}

{{cite journal |last1=Jiménez-Mejías |first1=Pedro |last2=Luceño |first2=Modesto |last3=Martín-Bravo |first3=Santiago |date=1 May 2014 |title=Species boundaries within the southwest Old World populations of the Carex flava group (Cyperaceae) |url = https://www.researchgate.net/publication/260059015 |journal=Systematic Botany |volume=39 |issue=1 |pages=117–131 |doi=10.1600/036364414X677973 |s2cid=85265989 |jstor = 24546124 | language = en | via = ResearchGate }}

{{cite POWO |id = 302933-1 |title=Carex viridula |access-date=27 February 2025}}

{{cite PLANTS |symbol=CAVI5 |taxon = Carex viridula |date=2014 |access-date=19 December 2019}}

{{cite web |title=Carex bergrothii Palmgr. |url=http://www.worldfloraonline.org/taxon/wfo-0000344876 |website=www.worldfloraonline.org |access-date=6 February 2021}}

{{Cite web

| author1 = NatureServe | author-link1 = NatureServe

| date = 3 December 2022

| title = Carex viridula Little Green Sedge

| url = https://explorer.natureserve.org/Taxon/ELEMENT_GLOBAL.2.156054/

| website = NatureServe Explorer (explorer.natureserve.org)

| publisher = NatureServe

| language = en

| access-date = 29 December 2022

}}

}}

{{Taxonbar|from=Q1778484}}

viridula

Category:Flora of Northern America

Category:Flora of Europe

Category:Flora of temperate Asia

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