Danthonia californica is a species of grass known by the common name California oatgrass. This plant is native to two separate regions of the Americas, western North America from California to Saskatchewan, and Chile.
Hesperostipa comata, commonly known as needle-and-thread grass, is a species of grass native to North America, especially the western third. It has a wide distribution spanning from northern Canada to Mexico.
Festuca idahoensis is a species of grass known by the common names Idaho fescue and blue bunchgrass. It is native to western North America, where it is widespread and common. It can be found in many ecosystems, from shady forests to open plains grasslands.
Aristida oligantha is a species of grass known by the common names prairie threeawn and oldfield threeawn.
Eriochloa contracta is a species of grass known by the common name prairie cupgrass. It is native to the central United States and it is naturalized in areas to the east and west, where it is often a weed, especially in moist areas. This annual grass may grow up to a meter tall when erect or it may bend, rooting where nodes on the stem touch the ground. The inflorescence is up to 20 centimeters long and is made up of several branches which stick out to the sides. The branches are lined with purplish spikelets a few millimeters long.
Airopsis is a genus of southern European and northern African plants in the grass family.
Polypogon monspeliensis, commonly known as annual beard-grass or annual rabbitsfoot grass, is a species of grass. It is native to southern Europe, but it can be found today throughout the world as an introduced species and sometimes a noxious weed. It is an annual grass growing to heights between 5 centimeters and one meter. The soft, fluffy inflorescence is a dense, greenish, plumelike panicle, sometimes divided into lobes. The spikelets have long, thin, whitish awns, which give the inflorescence its texture.
Sphenopholis is a genus of North American and Hawaiian plants in the grass family.
Muhlenbergia richardsonis, known by the common name mat muhly, is a species of grass. It is native to North America, where it can be found throughout much of Canada, Alaska, the western half of the contiguous United States through California, and in Baja California, Mexico.
Phalaris angusta is a species of grass known by the common names timothy canarygrass and narrow canarygrass. It is native to the Americas, where it is most common in Chile and Argentina and can be found in northern South America and sections of the southwestern and southeastern United States. It is also known as an introduced species in Australia. It grows in grassland, prairie, marshland, and other habitat.
Sporobolus cryptandrus is a species of grass known as sand dropseed. It is native to North America, where it is widespread in southern Canada, most of the United States, and northern Mexico.
Calamovilfa longifolia is a species of grass known by the common names prairie sandreed and sand reedgrass. It is native to North America, where it occurs from the Northwest Territories to Ontario in Canada and as far south as New Mexico and Kansas in the United States. There are two varieties, var. longifolia being widespread in the species' range and var. magna being native to the Great Lakes region.
Hesperostipa spartea, formerly Stipa spartea, is a species of grass known by the common names porcupine grass, western porcupine grass, short-awn porcupine grass, porcupine needlegrass, and big needlegrass. It is native to North America, where it is widespread from British Columbia to Ontario in Canada and through the central and Great Lakes regions of the United States. It is a bunchgrass species in the genus Hesperostipa.
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.
Chloris texensis is a species of grass known by the common name Texas windmill grass. It is endemic to Texas in the United States, where it occurs on the coastal prairies.
Aristida rhizomophora is a species of grass known by the common name Florida threeawn. It is endemic to Florida in the United States.
Coelorachis cylindrica is a species of grass known by the common names cylinder jointtail grass, Carolina jointgrass, and pitted jointgrass. It is native to the southeastern United States.
Paspalum plicatulum is a species of grass known by the common name brownseed paspalum. In Brazil its names include capim coquerinho, felpudo and pasto-negro. It is called zong zi que bai in Chinese and herbe à cheval in French. In South America its names include camalote, gamelotillo, and hierba de cepa. It is native to the Americas, where it occurs in the southeastern United States, Mexico, the Caribbean, and parts of South America.
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.
Sphenopholis intermedia, the slender wedgegrass or slender wedgescale, is an annual grass native to North America. The specific epithet "intermedia" means "intermediate". The diploid number is 14.
