Stipa is a genus of around 300 large perennial hermaphroditic grasses collectively known as feather grass, needle grass, and spear grass. They are placed in the subfamily Pooideae and the tribe Stipeae, which also contains many species formerly assigned to Stipa, which have since been reclassified into new genera.
Ornamental grasses are grasses grown as ornamental plants. Ornamental grasses are popular in many colder hardiness zones for their resilience to cold temperatures and aesthetic value throughout fall and winter seasons.
Deschampsia cespitosa, commonly known as tufted hairgrass or tussock grass, is a perennial tufted plant in the grass family Poaceae. Distribution of this species is widespread including the eastern and western coasts of North America, parts of South America, Eurasia and Australia.
Nassella, or needlegrass, is a New World genus of over 100 perennial bunchgrasses found from North America through South America. The Latin word nassa refers to "a basket with a narrow neck". It is usually considered segregate from the genus Stipa and includes many New World species formerly classified in that genus. As of 2011, The Jepson Manual includes Nassella within Stipa.
Nassella pulchra, basionym Stipa pulchra, is a species of grass known by the common names purple needlegrass and purple tussockgrass. It is native to the U.S. state of California, where it occurs throughout the coastal hills, valleys, and mountain ranges, as well as the Sacramento Valley and parts of the Sierra Nevada foothills, and Baja California.
Koeleria macrantha is a species of grass known by the common name prairie Junegrass in North America and crested hair-grass in the UK. It is widespread across much of Eurasia and North America. It occurs in many habitat types, especially prairie.
Tussock grasses or bunch grasses are a group of grass species in the family Poaceae. They usually grow as singular plants in clumps, tufts, hummocks, or bunches, rather than forming a sod or lawn, in meadows, grasslands, and prairies. As perennial plants, most species live more than one season. Tussock grasses are often found as forage in pastures and ornamental grasses in gardens.
Bromus vulgaris is a species of brome grass known by the common name Columbia brome.
Setaria verticillata is a species of grass known by the common names hooked bristlegrass, rough bristle-grass and bristly foxtail. It is native to Europe, but it is known on most continents as an introduced species and often a noxious weed. It is a hardy bunchgrass which grows in many types of urban, cultivated, and disturbed habitat. It is a weed of many types of agricultural crops, growing in vineyards and fields. Herbicide-resistant strains have been noted.
Stanleya elata is a species of flowering plant in the family Brassicaceae known by the common name Panamint princesplume. It is native to the desert mountains of eastern California and western Nevada, where it grows in rocky and scrubby habitat types. It may also occur in Arizona. It is a perennial herb producing one or more erect stems reaching about 1.5 meters in maximum height. They are hairless and often waxy in texture. The thick, leathery leaves have lance-shaped or oblong blades with smooth or toothed edges measuring up to 15 centimeters long. They are borne on petioles. The top of the stem is occupied by a long inflorescence which is a dense, snaking raceme of many flowers. Each flower has four narrow, threadlike yellow or whitish petals each about a centimeter long and a millimeter wide. The fruit is a long, thin, wormlike silique which may be 10 centimeters in length. It contains tiny seeds.
Sibaropsis is a monotypic genus of flowering plants in the family Brassicaceae containing the single species Sibaropsis hammittii, which is known by the common name Hammitt's clay-cress. It is endemic to California, where it is known from two locations in the Peninsular Ranges. The plant is known from the Santa Ana Mountains of Riverside County and Viejas Mountain and nearby peaks east of San Diego. It grows in grassy habitat in openings in chaparral alongside purple needlegrass, generally in moist areas in heavy clay soils. This species and its genus were first described to science in 1997.
Calamagrostis montanensis is a species of grass known by the common names plains reedgrass and prairie reedgrass. It is native to North America, where it is found across Canada from British Columbia to Manitoba and south to Colorado in the United States.
Eragrostis intermedia is a species of grass known by the common name plains lovegrass. It is native to North and Central America, where it is distributed from the southeastern and southwestern United States south to Costa Rica. Its range may extend to South America.
Muhlenbergia racemosa is a species of grass known by the common names green muhly and marsh muhly. It is native to North America, where it is most common in the north-central United States. It also occurs in the western United States and northern Mexico.
Dasylirion leiophyllum is a species of flowering plant in the asparagus family known by the common names green sotol, smooth-leaf sotol, and smooth sotol. It is native to North America, where it occurs in Chihuahua and Coahuila in Mexico and New Mexico and western Texas in the United States. It was first collected by Valery Havard in 1880 and was described by William Trelease in 1911.
Poa arida is a species of grass known by the common names plains bluegrass and prairie speargrass. It is native to North America, where it occurs throughout western and central Canada and the central United States. It is most common east of the Continental Divide; specimens west are often misidentifications.
Poa fendleriana is a species of grass known by the common name muttongrass. It is native to western North America, where its distribution extends from western Canada to northern Mexico.
Spartina spartinae is a species of grass known by the common names gulf cordgrass and sacahuista. It is native to the Americas, where it occurs from the Gulf Coast of the United States south to Argentina.
Nassella lepida is a species of grass known by the common names foothill needlegrass, foothills nassella, foothill stipa, small-flowered stipa, small-flowered needlegrass, and smallflower tussockgrass.
Dichanthium annulatum is a species of grass in the family Poaceae. It is commonly used as a forage for livestock.
