Iris fernaldii, commonly known as Fernald's iris, is a species of iris endemic to western Northern California. It is native to the Inner and Outer North California Coast Ranges, such as the Santa Cruz Mountains, and surrounding the San Francisco Bay Area. It is found between 164–6,562 feet (50–2,000 m) in elevation. It grows in full sun near the coast, and afternoon shade inland.
Carex lasiocarpa is a broadly distributed species of wetland sedge sometimes known as woollyfruit sedge or slender sedge. It is considered a species of Least Concern by the IUCN Red List due to its extensive range with many stable populations.
Carex comosa is a species of sedge known as longhair sedge and bristly sedge. It is native to North America, where it grows in western and eastern regions of Canada and the United States, and parts of Mexico. It grows in wet places, including meadows and many types of wetlands. Tolerates deeper water than most common species and is good for retention basins. This sedge produces clumps of triangular stems up to 100 or 120 centimeters tall from short rhizomes. The inflorescence is up to 35 centimeters long and has a long bract which is longer than the spikes. It is a cluster of several cylindrical spikes. The scales over the fruits taper into long, thin awns.
Carex diandra is a species of sedge known by the common names lesser tussock-sedge and lesser panicled sedge.
Carex illota is a species of sedge known by the common name sheep sedge. It is native to western North America, where it grows in wet places such as marshes and mountain meadows, from New Mexico and California north to Western Canada.
Carex lenticularis is a species of sedge known by the common names lakeshore sedge and goosegrass sedge. It is native to much of northern North America, including most all of Canada and the western United States, where it grows in wet habitats.
Carex rossii, commonly known as Ross's sedge, is a hardy species of sedge that is often a pioneer species in areas with little or no established vegetation, or in places where disturbance has occurred. Ross's sedge grows in a variety of habitats throughout much of western North America, from Alaska to Ontario, south to New Mexico and California. It flowers in May and June.
Carex utriculata is a species of sedge known as Northwest Territory sedge and common yellow lake sedge.
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.
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 livida is a species of sedge known by the common names livid sedge and pale sedge.
Carex vaginata is a species of sedge known by the common name sheathed sedge.
Carex roanensis is a species of sedge known by the common name Roan Mountain sedge. It is native to North America, where it can be found in the southern Appalachian Mountains. It was first collected on Roan Mountain in Tennessee in 1936. It was not collected again for fifty years. Now it is known from Georgia, Kentucky, North Carolina, Pennsylvania, South Carolina, Tennessee, Virginia, and West Virginia.
Carex lacustris, known as lake sedge, is a tufted grass-like perennial of the sedge family (Cyperaceae), native to southern Canada and the northern United States. C. lacustris us an herbaceous surface-piercing plant that grows in water up to 50 cm (1.6 ft) deep, and grows 50–150 cm (1.6–4.9 ft) tall. It grows well in marshes and swampy woods of the boreal forest, along river and lake shores, in ditches, marshes, swamps, and other wetland habitat. It grows on muck, sedge peat, wet sand or silt, in filtered or full sunlight.
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 blanda, the common woodland sedge or eastern woodland sedge, is a species of 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 bebbii, Bebb's sedge, is a species of sedge native to the northern United States and Canada. Carex bebbii grows in a variety of wetland habitats such as lakeshores, streambanks, ditches, meadows, swamps, and seeps. It forms dense tufts with culms up to 90 centimeters tall.
Carex tenera, known as quill sedge, is a species of sedge native to the northern United States and Canada.
Carex baileyi is a sedge in section Vesicariae the genus Carex native to the Appalachian mountains in Eastern North America. It is commonly called Bailey's sedge. Carex baileyi was named in honor of Liberty Hyde Bailey by its discoverer, Nathaniel_Lord_Britton.
