| Carex viridula | |
|---|---|
 | |
| Carex viridula var. viridula | |
Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Monocots |
| Clade: | Commelinids |
| Order: | Poales |
| Family: | Cyperaceae |
| Genus: | Carex |
| Section: | Carex sect. Ceratocystis |
| Species: | C. viridula |
| Binomial name | |
| Carex viridula | |
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. [2]
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. [3] [4]
Flora of North America accepts the following three subspecies and two varieties of Carex viridula: [2] [5]
As of December 2019 [update] , Kew's Plants of the World Online lists Carex viridula as a synonym of Carex oederi . [6]
There is also variety Carex viridula var. bergrothii (Palmgr.) B.Schmid (synonym Carex bergrothii Palmgr.). [7]
It is listed as endangered in Connecticut [8] and Pennsylvania. [9] It is listed as threatened in Illinois. [9]
The Cyperaceae are a family of graminoid (grass-like), monocotyledonous flowering plants known as sedges. The family is large, with some 5,500 known species described in about 90 genera, the largest being the "true sedges" genus Carex with over 2,000 species.
Carex jamesii, known as James's sedge or grass sedge, is a species of sedge native to North America from Minnesota east to New York and south to Oklahoma and South Carolina. It occurs in mesic hardwood forests and produces fruits from early May to mid July. It has two to four perigynia that are subtended by leaf-like pistillate scales. Its seeds are dispersed by ants.
Dulichium is a monotypic genus of sedge containing the single species Dulichium arundinaceum, which is known by the common name threeway sedge. This is an aquatic or semi-aquatic plant of the lakes, streams, and ponds of the United States and Canada It has a wide distribution across the two countries, though noticeably absent from the Dakotas and from the Southwestern Deserts.
Carex nigra is a perennial species of plants in the family Cyperaceae native to wetlands of Europe, western Asia, north Africa, and eastern North America. Common names include common sedge, black sedge or smooth black sedge. The eastern limit of its range reaches central Siberia, Turkey and probably the Caucasus.
Carex pensylvanica is a species of flowering plant in the sedge family commonly called Pennsylvania sedge. Other common names include early sedge, common oak sedge, and yellow sedge.
Kenneth Kent Mackenzie (1877–1934) was a lawyer and amateur botanist who wrote extensively on the genus Carex in North America. The standard author abbreviation Mack. is used to indicate this person as the author when citing a botanical name.
Carex austrina, known as southern sedge, is a species of sedge endemic to the southern and central United States.
Carex blanda, the common woodland sedge or eastern woodland sedge, is a sedge native to a wide variety of habitats in the eastern and central United States and Canada.
Carex davisii, known as Davis' sedge or awned graceful sedge, is a species of Carex native to North America. It is listed as an endangered, threatened, or species of concern across much of edge of its range. It was named in the 1820s by Lewis David de Schweinitz and John Torrey in honor of Emerson Davis (1798–1866), a Massachusetts educator and "enthusiastic student of the genus" Carex.
Carex albicans, commonly called whitetinge sedge, is a species of flowering plant in the sedge family (Cyperaceae). It is native to the eastern North America, where it is found in Canada and the United States. Its typical natural habitat is dry forests and woodlands.
Carex bromoides, known as brome-like sedge, brome-sedge, and dropseed of the woods, is a species of sedge in the genus Carex. It is native to North America.
Carex sect. Phacocystis is a section of the genus Carex, containing between 70 and 90 species worldwide. With 31 species in the North American flora, sedges in Carex sect. Phacocystis commonly occur in wetlands such as shorelines, marshes, and tundra.
Carex tenera, known as quill sedge, is a species of sedge native to the northern United States and Canada.
Carex brevior, known as shortbeak sedge and plains oval sedge, is a species of sedge native to North America. The specific epithet brevior means "shorter" in Latin.
Carex capillaris, the hair-like sedge, is a species of sedge found in North America and northern Eurasia including Greenland.
Scleria verticillata, known as low nutrush or whorled nutrush, is a plant in the sedge family Cyperaceae. It is native to Ontario, Canada, the eastern United States, The Bahamas, and Cuba.
Carex amphibola, known as gray sedge, is a species of flowering plant in the family Cyperaceae. It was first formally named in 1855. Carex amphibola is native to the eastern United States and Canada.
Peter William Ball is an English-born botanist, plant collector, and plant taxonomist, specializing in caricology.
Carex lepidocarpa, called the long-stalked yellow-sedge, is a species of flowering plant in the genus Carex, native to eastern Canada, Morocco, and most of Europe. It is a member of the Carex flava species complex.
Carex michauxiana, also known as Michaux's sedge, carex de Michaux or yellowish sedge in Canada, is a tussock-forming species of perennial sedge in the family Cyperaceae. It is native to eastern parts of North America and parts of Asia.
