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Agrostis rossiae, or Ross' bentgrass, is a species of perennial [2] or annual grass [3] that is endemic to the Firehole River drainage and Shoshone Geyser Basin of Yellowstone National Park. [ 4 ] [ 5 ] It is one of 3 endemic plants to the park.
This is a rhizomatous perennial grass growing up to about a meter tall. It has flat leaves up to 20 centimeters long and thin or dense inflorescences of spikelets. It ranges in size from 17 to 100 centimeters long.
In 2004, its pollen was found to have reached wild growing bentgrass populations up to 14 kilometres away. Cross-pollinating Agrostis gigantea was even found at a distance of 21 kilometres. [ 10 ] Scotts could not remove all genetically engineered plants and in 2007, the Animal and Plant Health Inspection Service fined them $500,000 for non ...
Agrostis scabra is a common species of grass known by the common names hair grass, [2] rough bent, [3] rough bent grass, [2] winter bent grass, [2] and ticklegrass. [4] A tumbleweed , [ 4 ] [ 5 ] it is a bunchgrass native to Asia and much of North America , and widely known elsewhere as an introduced species .
Agrostis stolonifera (creeping bentgrass, creeping bent, fiorin, spreading bent or carpet bentgrass [3] [4] [5]) is a perennial grass species in the family Poaceae. It is widely used as turf for golf courses .
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Agrostis capillaris, the common bent, colonial bent, or browntop, is a rhizomatous and stoloniferous perennial in the grass family ().It is native to Eurasia and has been widely introduced in many parts of the world. [3]
Inflorescence. Agrostis canina is a perennial plant, with stolons but no rhizomes, and culms which grow to a height of up to 75 centimetres (30 in). [4] It is frequently confused with Agrostis vinealis (formerly treated as a subspecies or variety of A. canina), which grows in more upland habitats and has rhizomes rather than stolons.