''Carex viridula'', known as little green sedge, green sedge, or greenish sedge, is a small

flowering plant Flowering plants are plants that bear flowers and fruits, and form the clade Angiospermae (), commonly called angiosperms. They include all forbs (flowering plants without a woody stem), grasses and grass-like plants, a vast majority of ...

native to North America, Europe, Asia, and Morocco.

Taxonomy

''Carex viridula'' is in the

section Section, Sectioning or Sectioned may refer to: Arts, entertainment and media * Section (music), a complete, but not independent, musical idea * Section (typography), a subdivision, especially of a chapter, in books and documents ** Section sign ...

''Carex'' sect. ''Ceratocystis'', a

circumboreal The Circumboreal Region in phytogeography is a floristic region within the Holarctic Kingdom in Eurasia and North America, as delineated by such geobotanists as Josias Braun-Blanquet and Armen Takhtajan. It is the largest floristic region i ...

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 The ''Flora of North America North of Mexico'' (usually referred to as ''FNA'') is a multivolume work describing the native plants and naturalized plants of North America North America is a continent in the Northern Hemisphere and a ...

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'' ,

Kew Kew () is a district in the London Borough of Richmond upon Thames. Its population at the 2011 census was 11,436. Kew is the location of the Royal Botanic Gardens ("Kew Gardens"), now a World Heritage Site, which includes Kew Palace. Kew is a ...

Plants of the World Online Plants of the World Online (POWO) is an online database published by the Royal Botanic Gardens, Kew. It was launched in March 2017 with the ultimate aim being "to enable users to access information on all the world's known seed-bearing plants ...

lists ''Carex viridula'' as a synonym of ''

Carex oederi ''Carex pilulifera'', the pill sedge, is a European species of sedge found in acid heaths, woods and grassland from Macaronesia to Scandinavia. It grows up to tall, with 2–4 female spikes and 1 male spike in an inflorescence. These stalks be ...

''. There is also variety ''Carex viridula'' var. ''bergrothii'' (Palmgr.) B.Schmid (synonym ''Carex bergrothii'' Palmgr.).

Conservation status

It is listed as endangered in

Connecticut Connecticut () is the southernmost state in the New England region of the Northeastern United States. It is bordered by Rhode Island to the east, Massachusetts to the north, New York to the west, and Long Island Sound to the south. Its cap ...

and

Pennsylvania Pennsylvania (; (Pennsylvania Dutch: )), officially the Commonwealth of Pennsylvania, is a state spanning the Mid-Atlantic, Northeastern, Appalachian, and Great Lakes regions of the United States. It borders Delaware to its southeast, Ma ...

. It is listed as threatened in

Illinois Illinois ( ) is a state in the Midwestern United States. Its largest metropolitan areas include the Chicago metropolitan area, and the Metro East section, of Greater St. Louis. Other smaller metropolitan areas include, Peoria and Roc ...

References

viridula Flora of North America Flora of Europe Flora of Asia {{Carex-stub