Francis Boott

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 prefers loamy or sandy soil, and grows in meadows, along lake shores and river banks, and also in many types of wetlands. Carex comosa 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

Carex angustata is a species of sedge known by the common name widefruit sedge. It is native to the western United States from Washington and Idaho to California, where it grows in wet meadows and on streambanks.

Carex utriculata is a species of sedge known as Northwest Territory sedge, common beaked sedge or common yellow lake sedge.

Carex geyeri is a species of sedge known by the common names Geyer's sedge and elk sedge. It is native to western North America from British Columbia to California to Colorado, where it grows in dry areas in mountain meadows, grasslands, and open forest. This sedge produces scattered tufts of stems connected by a network of long rhizomes. The stems are triangular in cross-section and approach half a meter in maximum height. The inflorescence is composed of a cluster of staminate flowers and a cluster of pistillate flowers separated by a node.

Carex arcta is a species of sedge known by the common name northern cluster sedge. It is native to northern North America including most of Canada and northern parts of the United States. It grows in wet areas, especially in coniferous forests. This sedge produces dense clumps of erect stems up to about 80 centimetres (31 in) high. The leaves are pale green to grayish, flat, and have reddish or purple-dotted sheaths at the base, and they are sometimes longer than the stems. The inflorescence is a dense, oblong cluster of up to 15 spikes of pointed flowers, each cluster up to 3–4 cm (1.2–1.6

Carex amplifolia is a species of sedge known by the common name bigleaf sedge. It is native to western North America from British Columbia to Montana to California, where it grows in wet and seasonally wet areas in coniferous forests.

Carex hoodii is a species of sedge known by the common name Hood's sedge. It is native to western North America from Alaska to Nunavut to California to South Dakota, where it grows in dry to moist habitat in forests and on mountain slopes.

Carex douglasii is a species of sedge known by the common name Douglas' sedge.

Carex morrowii, the kan suge, Morrow's sedge, Japanese grass sedge or Japanese sedge (a name it shares with Carex oshimensis), is a species of flowering plant in the family Cyperaceae. It is native to central and southern Japan, and has been introduced to Belgium, Denmark and Austria. An ornamental sedge with a large number of (mostly variegated) cultivars, it tolerates heavy shade and wet soil, and is erosion and deer-resistant. Consequently it is recommended as a slowly spreading ground cover, for naturalizing, and in rain gardens. It is hardy in USDA zones 5 through 9 and does well in

Carex lanceolata is a species of sedge (genus Carex), native to the eastern half of China, Mongolia, eastern Siberia, Korea, Sakhalin, and Japan. Its seeds are dispersed by ants.

Carex backii, commonly known as Back's sedge, is a species of sedge (Carex) in the section Phyllostachyae. First described scientifically in 1839 by American botanist Francis Boott, it is found in Canada and the United States, where it grows in shaded woods, shaded slopes, and shrub thickets.

Carex aperta, known as Columbian sedge, is a species of sedge that was first described by Francis Boott in 1839. It is native to eastern Russia, northern China, western Canada, and the northwestern United States. It grows in wet meadows, along shorelines, and in other wet habitats.

Carex adusta, commonly known as the lesser brown sedge, swarthy sedge, browned sedge, or Carex brûlé, is a species of sedge (Carex) in the section Ovales. First described scientifically in 1839 by Francis Boott, Adusta is Latin for "burnt," probably referring to the color.

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 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 (San Luis Potosí and Querétaro).

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Carex capillacea, common name yellowleaf sedge in Tasmania, is a species of sedge (in the Cyperaceae family) found in Assam, the far east of Russia, New Guinea, south east Australia, New Zealand, Malesia, China, Japan and India.

Carex argyrantha, the hay sedge, is a species of flowering plant in the family Cyperaceae. It is native to eastern Canada and the east-central and northeastern United States, and has gone extinct in Delaware. It typically grows in rocky woodlands and on sandstone ledges and has potential for use on green roofs.

Carex arctata, known as drooping woodland sedge, is a species of sedge native to eastern North America. It is sometimes called black sedge, compressed sedge, or drooping wood sedge. It occurs from Manitoba to the Maritimes in Canada, south to northwestern North Carolina, and west to Minnesota. Carex arctata grows in bogs, hardwood forests, and spruce forests.

Carex archeri, known as Archer's sedge, is a species of sedge in the genus Carex, endemic to south-eastern Australia.

Carex alligata, the Hawaiʻi sedge, is a species of sedge that is endemic to Hawaii. It was first described in 1867 by American botanist Francis Boott (1792–1863).

Carex secta is a sedge from the Cyperaceae family that is endemic to New Zealand. It grows in wetlands. Its Māori names include pūrei, pukio and makura.

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Carex dissita, also known as purei, is a sedge that is native to New Zealand. Carex dissita thrives in dark and damp places such as the edges of bush streams or ponds. Seeds occur on long stems in order to disperse them away from the plant.

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Carex breweri, known as Brewer's sedge, is a species of sedge that grows on dry rocky or gravel slopes in the Sierra Nevada and Cascade Mountains of the western United States, as far north as Mount Hood. It is classified in Carex sect. Inflatae, alongside Carex engelmannii and Carex subnigricans.

Carex banksii is a species of flowering plant in the sedge family, Cyperaceae. Carex banksii is native to South America and was first formally named by Francis Boott in 1839. Four varieties are accepted: Carex banksii var. abbreviata Kük. Carex banksii var. banksii Carex banksii var. fonkii (Phil.) Kük. Carex banksii var. odontolepis (Phil.) Kük.

Carex tuckermanii, commonly known as Tuckerman's sedge, is a species of true sedge in the family Cyperaceae. It is a perennial plant native to North America.It owes its name to Edward Tuckerman, who was the first botanist to organize the genus Carex into natural groupings.