Poaceae or Gramineae is a large and nearly ubiquitous family of monocotyledonous flowering plants commonly known as grasses. It includes the cereal grasses, bamboos and the grasses of natural grassland and species cultivated in lawns and pasture. The latter are commonly referred to collectively as grass.
Aristida is a very nearly cosmopolitan genus of plants in the grass family. Aristida is distinguished by having three awns (bristles) on each lemma of each floret. The genus includes about 300 species found worldwide, often in arid warm regions. This genus is among those colloquially called three-awnswiregrasses, speargrasses and needlegrasses. The name Aristida is derived from the Latin "arista", meaning "awn".
Alopecurus myosuroides is an annual grass, native to Eurasia, found in moist meadows, deciduous forests, and on cultivated and waste land. It is also known as slender meadow foxtail, black-grass, twitch grass, and black twitch.
Aristida purpurea is a species of grass native to North America which is known by the common name purple three-awn.
The Chalbi Desert is a small desert in northern Kenya near the border with Ethiopia. It is east of Lake Turkana and contains North Horr. Marsabit is the closest major urban center.
Aristida behriana is a native Australian species of grass commonly known as bunch wire grass or brush wire grass. It is a bright green perennial plant forming short, tufted tussocks up to 40 centimetres (16 in) high. Its seeds have three long, radiating awns; it is a member of genus Aristida, grasses known commonly as three-awns. The species favours low fertility and well-drained soils. It is commonly found in mallee woodlands and plains, where it grows on sunny slopes. Superficially, the flower heads resemble those of the invasive weed African feather-grass. A. behriana is found in all mainland Australian States.
Alopecurus aequalis is a common species of grass known as shortawn foxtail or orange foxtail. It is native to much of the temperate Northern Hemisphere from Eurasia to North America. It is most commonly found in areas near fresh water, such as the margins of ponds and ditches.
Aristida californica is a species of grass known by the common names California threeawn and Mojave threeawn. It is native to the Mojave Deserts and Sonoran of northern Mexico and California and Arizona.
Aristida oligantha is a species of grass known by the common names prairie threeawn and oldfield threeawn.
Melinis repens is a species of grass known by the common names rose Natal grass, Natal red top, or simply Natal grass. It is native to southern Africa and an introduced species, often considered a noxious weed, on other continents such as North America and Australia. It is an annual or perennial grass, growing up to a meter tall. Its growth rate is dependent on temperature. The inflorescence is an open array of branches bearing spikelets densely coated in silky white or pink hairs.
Aristida purpurascens is a species of grass known by the common name arrowfeather threeawn. It is native to eastern North America. One of the three varieties has a distribution extending south into Honduras.
Aristida rhizomophora is a species of grass known by the common name Florida threeawn. It is endemic to Florida in the United States.
Aristida rufescens is a grass species native to Madagascar and to Mayotte in the Comoros archipelago. It was described by German agrostologist Ernst Gottlieb von Steudel in 1854.
Aristida basiramea, the forked three-awn, is a species of grass in the family Poaceae native to North America. The specific epithet basiramea means "branching from base".
Hypericum oblongifolium, known as Pendant St. John's wort, is a species of flowering plant in Hypericumsect. Ascyreia.
Aristida dichotoma, known as churchmouse threeawn, fork-tip three-awn, pigbutt three-awn, and poverty grass, is a species of grass from eastern North America. It is native to the Eastern and Midwestern United States and Ontario, Canada. It has been introduced in California. It was described in 1803 by André Michaux.
Aristida contorta, commonly known as bunched kerosene grass, kerosene grass, bunched windgrass, silvergrass, mulga grass,sand speargrass, and medicine grass, is a species of grass in the family Poaceae that is native in Australia. The Walmajarri name for this species is Ngirrirli.
Aristida calycina, commonly known as dark wiregrass, is a species of grass in the family Poaceae that is native in Australia.
Aristida warburgii is a species of grass that is native to New South Wales and Queensland. It was first described by Carl Christian Mez in 1921 from a specimen collected near Maryborough, Queensland. The species epithet, warburgii, honours Otto Warburg.
Aristida ramosa is a species of grass that occurs in New South Wales, Victoria, Western Australia and Queensland. However, it is thought to have been introduced into Western Australia. It was first described by Robert Brown in 1810 who find it live at Port Jackson (Sydney). The species epithet, ramosa, is a Latin adjective meaning "branched" which describes the plant as bearing branches.
