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Sphenopholis obtusata is a species of grass known by the common names prairie wedgescale [1] and prairie wedge grass. It is native to North America where it is widespread across southern Canada and the United States. It occurs in many types of habitat, including prairie, marshes, dunes, and disturbed areas.
State grass Scientific name Image Year adopted California: Purple needlegrass: Nassella pulchra: 2004 [1] Colorado: Blue grama: Bouteloua gracilis: 1987 [2] Illinois: Big bluestem (state prairie grass) Andropogon gerardii: 1989 [3] Kansas: Little bluestem: Schizachyrium scoparium (Andropogon scoparius) 2010 [4] Minnesota: Wild rice (state grain ...
As the grass expands or contracts according to the temperature and moisture conditions, the awns twist or untwist to eventually drill the seeds into the soil – a phenomenon known as geocarpy. The awns containing several seeds may tangle together and the mass is blown away from the parent plant on the wind.
Diarrhena americana, also known as American beak grass or American beakgrain, is a native, perennial bunchgrass of North America. [2] [3]Historically, Diarrhena americana was the only species of beak grass recognized in the United States; however studies have suggested that the known beak grass is to be classified into two distinct species, Diarrhena americana and Diarrhena obovata.
Flowering big bluestem, a characteristic tallgrass prairie plant. The tallgrass prairie is an ecosystem native to central North America.Historically, natural and anthropogenic fire, as well as grazing by large mammals (primarily bison) provided periodic disturbances to these ecosystems, limiting the encroachment of trees, recycling soil nutrients, and facilitating seed dispersal and germination.
Spartina is a genus of plants in the grass family, frequently found in coastal salt marshes. [3] Species in this genus are commonly known as cordgrass or cord-grass, [4] and are native to the coasts of the Atlantic Ocean in western and southern Europe, north-western and southern Africa, the Americas and the islands of the southern Atlantic Ocean; one or two species also occur on the western ...
Ammophila breviligulata is perennial grass which produces an extensive rhizome system. The leaves have deeply furrowed upper surfaces and smooth undersides, and grow 1 to 3 feet (0.3 to 0.9 m) tall. The plant's inflorescence is a spike-like panicle that can reach 10 inches (25 cm) long; The spikelet is single-flowered, awnless. [4]
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.