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.
In botany, a perigynium, also referred to as a utricle, typically refers to a sac that surrounds the achene of plants in the genus Carex (Cyperaceae). The perigynium is a modified prophyll, also known as a glume, which is tissue of leaf origin that encloses the dry, one-seeded achene.
Carex riparia, the greater pond sedge, is a species of sedge found across Europe and Asia. It grows in a variety of wet habitats, and can be a dominant species in some swamps. It is Britain's largest Carex, growing up to 130 cm tall, with glaucous leaves up to 160 cm long. It hybridises with a number of other Carex species, including the closely related Carex acutiformis – the lesser pond sedge. A variegated cultivar is grown as an ornamental grass.
Carex spicata is a species of sedge in the genus Carex.
Carex inops is a species of sedge known as long-stolon sedge and western oak sedge. It is native to northern North America, where it occurs throughout the southern half of Canada and the western and central United States.
Carex brunnescens, the brownish sedge or green bog sedge, is a species of plant in the sedge family (Cyperaceae). It has a circumboreal distribution, and is native to North America and Eurasia. In the United States it is primarily found in the Northeast and Midwest extending south into the Appalachian Mountains, with disjunct populations westward in the Rocky Mountains. It has a wide-ranging natural habitat, is in found in forests, bogs, fens, and rock outcrops.
Carex conjuncta, known as soft fox sedge, is a species of sedge that was first formally named by Francis Boott in 1862. It is endemic to the central and eastern United States.
Carex eburnea, known as ivory sedge, ebony sedge, and bristleleaf or bristle-leaved sedge, is a small and slender sedge native to North America, from Alaska and Newfoundland south to central Mexico.
Carex kobomugi is a species of sedge, known as the Japanese sedge or Asiatic sand sedge, that lives in sandy coastal areas of eastern Asia, and has become an invasive species in the north-eastern United States.
Carex louisianica, commonly called Louisiana sedge, is a species of flowering plant in the sedge family. It is native to North America, where it is primarily found in the southeastern United States. Its natural habitat is wet, swampy forests and openings.
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 novae-angliae, the New England sedge, is a Carex species that is native to North America.
Carex joorii, commonly called cypress swamp sedge, is a species of flowering plant in the sedge family (Cyperaceae). It is native to the United States, where it is found primarily in the Southeastern region. Its natural habitat is in the shallow water of depression swamps, often growing with Sphagnum moss. It can also be found in bottomland woods, and in wet prairies.
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 cherokeensis, commonly called Cherokee sedge, is a species of flowering plant in the sedge family (Cyperaceae). It is native to the United States where it is found in the Southeast. Its natural habitat is in high-nutrient, often calcareous soil, in bottomland forests, mesic forests, and wet meadows.
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 careyana, commonly known as Carey's sedge, is a species of sedge found in the eastern United States and Ontario, Canada.
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.
Carex deweyanaDewey's sedge, short-scale sedge, is a species of sedge native to Canada and the United States.
Carex peckii, Peck's sedge, Peck's oak sedge, or white-tinged sedge, is a species of sedge native to Canada and the United States.
