Sweet grass or sweetgrass may refer to:
Glyceria is a widespread genus of grass family common across Eurasia, Australia, North Africa, and the Americas.
Glyceria grandis is a species of Glyceria known by the common name American mannagrass. It is native to Canada and the United States, where it is widespread in distribution. It is most commonly found in wet areas such as riverbanks and ponds.
Glyceria leptostachya is a species of mannagrass known by the common names davy mannagrass and narrow mannagrass.
Glyceria striata is a species of Glyceria which is known by the common names fowl mannagrass and ridged glyceria. It is native to much of North America, from Alaska and northern Canada to northern Mexico.
Glyceria maxima, commonly known as great manna grass, reed mannagrass, reed sweet-grass, and greater sweet-grass is a species of rhizomatous perennial grasses in the mannagrass genus native to Europe and Western Siberia and growing in wet areas such as riverbanks and ponds. It is highly competitive and invasive and is often considered to be a noxious weed outside its native range.
Glyceria fluitans, known as floating sweet-grass and water mannagrass, is a species of perennial grass in the genus Glyceria native to Europe, the Mediterranean region and Western Asia and occurring in wet areas such as ditches, riverbanks and ponds.
Astragalus agrestis is a species of milkvetch known by the common names purple milkvetch, purple loco, and field milkvetch. It is native to much of western and northern North America from most of Canada to the southwestern United States, as well as eastern Asia. It grows in vernally moist areas such as meadows, and is often found in sagebrush.
Glyceria notata, the plicate sweet-grass or marked glyceria, is an invasive specie part of the rhizomatous family. tufted, perennial grasses in the mannagrass genus, found in all continents of the world. Its culms are 30–80 cm in height, ascending from a prostrate base, with dark- to bluish-green, flat or folded leaf-blades some 5–30 cm long by 3–14 mm wide.
Torreyochloa erecta is a species of grass known by the common name spiked false mannagrass. It is native to the Cascade Range and Sierra Nevada ranges, its distribution extending from California north into Oregon and east into Nevada. It grows in mountain forests and the margins of lakes and streams, at elevations above 2000 meters. It is a rhizomatous perennial grass producing thick, erect stems up to about 60 centimeters in maximum height. The inflorescence is a narrow panicle much longer than wide, containing wide, compressed spikelets containing 4 to 6 florets each.
Torreyochloa pallida is a species of grass known by the common names pale false mannagrass and weak manna grass. It is native to North America, especially the east and west sides. It grows in wet habitat, such as rivers, lakesides, bogs, and swamps. It is a rhizomatous perennial grass producing thick, erect to decumbent, sometimes matted stems which can easily exceed one meter in maximum length. The inflorescence is a branching panicle up to 25 centimeters long by 12 wide containing compressed spikelets with up to 8 florets each.
Scirpus ancistrochaetus is a rare species of flowering plant in the sedge family known by the common names barbedbristle bulrush and northeastern bulrush. It is native to the northeastern United States from New Hampshire south to Virginia. It used to be found in Quebec but it is now thought to be extirpated there. It was also believed extirpated from the state of New York, but at least one population has been rediscovered in Steuben County in 2010. It is threatened by the loss and degradation of its wetland habitat. It is a federally listed endangered species.
Euphorbia purpurea is a species of Euphorbia known by the common names Darlington's glade spurge, glade spurge, and purple spurge. It is native to the eastern United States, where it occurs from Ohio and Pennsylvania south to North Carolina. It has been extirpated from Alabama; it was believed lost from Delaware until a population was rediscovered in 1997.
Pleuropogon oregonus is a species of grass known by the common name Oregon semaphoregrass.
Schoenoplectiella hallii is a species of flowering plant in the sedge family known by the common name Hall's bulrush. It is native to the United States, where it has a disjunct distribution, occurring in widely spaced locations throughout the Midwest and East. It is a rare plant.
Aquilegia brevistyla is a species of flowering plant in the buttercup family known by the common name smallflower columbine. It is native to northern North America, where it has a disjunct distribution. Most of its range extends from Alaska through much of Canada, and it also occurs in a few areas in the contiguous United States, such as the Black Hills of South Dakota and central Montana. It is most common in eastern Alaska, Yukon, the southern Northwest Territories, and northern parts of Alberta, Manitoba, and Saskatchewan.
Torreyochloa pallida var. fernaldii, also called Fernald's false manna grass, is a perennial flowering grass found across Canada and the northeastern United States. It is also known as Puccinellia fernaldii, Glyceria pallida var. fernaldii, Glyceria fernaldii, and Torreyochloa fernaldii.
Glyceria canadensis is a species of grass in the genus Glyceria which is known by the common name rattlesnake mannagrass. It is native to North America, from British Columbia to Newfoundland and south to North Carolina. It is commonly found in wet areas.
Glyceria acutiflora, the creeping mannagrass, is a perennial grass found in the north-eastern United States and in north-eastern Asia. Its specific epithet acutiflora means "acute-flowered". It has a diploid number of 40.
Glyceria melicaria, the melic mannagrass or northeastern mannagrass, is a perennial grass found in the eastern United States. Its specific epithet melicaria means "similar to Melica". Its diploid number is 40.
