Carex viridula

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Carex viridula
CarexViridula1.jpg
Carex viridula var. viridula
Scientific classification edit
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Clade: Commelinids
Order: Poales
Family: Cyperaceae
Genus: Carex
Section:
Species:
C. viridula
Binomial name
Carex viridula
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.[1]

Taxonomy[]

Carex viridula is in the section , a circumboreal group with around six other species, although the taxonomy of this group is controversial and up to 19 species have been recognized.[2][3]

Flora of North America accepts the following three subspecies and two varieties of Carex viridula:[1][4]

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

As of December 2019, Kew's Plants of the World Online lists Carex viridula as a synonym of Carex oederi.[5]

There is also variety Carex viridula var. bergrothii (Palmgr.) B.Schmid (synonym Carex bergrothii Palmgr.).[6]

Conservation status[]

It is listed as endangered in Connecticut[7] and Pennsylvania.[8] It is listed as threatened in Illinois.[8]

References[]

  1. ^ Jump up to: a b Crins, William J. (2002). "Carex viridula". In Flora of North America Editorial Committee (ed.). Flora of North America North of Mexico (FNA). 23. New York and Oxford. Retrieved 20 December 2019 – via eFloras.org, Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.CS1 maint: uses authors parameter (link)
  2. ^ Crins, William J. (2002). "Carex sect. Ceratocystis". In Flora of North America Editorial Committee (ed.). Flora of North America North of Mexico (FNA). 23. New York and Oxford. Retrieved 20 December 2019 – via eFloras.org, Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.CS1 maint: uses authors parameter (link)
  3. ^ Jiménez-Mejías, Pedro; Luceño, Modesto; Martín-Bravo, Santiago (1 March 2014). "Species Boundaries within the Southwest Old World Populations of the Carex flava Group (Cyperaceae)". Systematic Botany. 39 (1): 117–131. doi:10.1600/036364414X677973. S2CID 85265989.
  4. ^ Crins, W. J. and P. W. Ball. 1988. Sectional limits and phylogenetic considerations in Carex section Ceratocystis (Cyperaceae). Brittonia 40: 38–47. Crins, W. J. and P. W. Ball. 1989. Taxonomy of the Carex flava complex (Cyperaceae) in North America and northern Eurasia. II. Taxonomic treatment. Canad. J. Bot. 67: 1048–1065.
  5. ^ "Carex viridula". Plants of the World Online. Royal Botanical Gardens Kew. Retrieved 20 December 2019.
  6. ^ "Carex bergrothii Palmgr". www.worldfloraonline.org. Retrieved 6 February 2021.
  7. ^ "Connecticut's Endangered, Threatened and Special Concern Species 2015". State of Connecticut Department of Energy and Environmental Protection Bureau of Natural Resources. Retrieved 19 December 2019.
  8. ^ Jump up to: a b "Plants Profile for Carex viridula (little green sedge)". plants.usda.gov. Retrieved 19 December 2019.


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