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Similar to montane grasslands, polar Arctic tundra can have grasses, but high soil moisture means that few tundras are grass-dominated today. However, during the Pleistocene glacial periods (commonly referred to as ice ages ), a grassland known as steppe-tundra or mammoth steppe occupied large areas of the Northern Hemisphere.
GRASS (GRAphics Symbiosis System) is a programming language created to script 2D vector graphics animations. GRASS was similar to BASIC in syntax, but added numerous instructions for specifying 2D object animation, including scaling, translation and rotation over time.
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.
Of these, the grass family (Poaceae) is the most economically important, which together with the orchids Orchidaceae account for half of the species diversity, accounting for 34% and 17% of all monocots respectively, and are among the largest families of angiosperms. They are also among the dominant members of many plant communities.
Drawing of Anomochloa marantoidea, one of the most primitive living grass species Before 2005, fossil findings indicated that grasses evolved around 55 million years ago. Finds of grass-like phytoliths in Cretaceous dinosaur coprolites from the latest Cretaceous ( Maastrichtian ) aged Lameta Formation of India have pushed this date back to 66 ...
Themeda triandra is a species of C 4 perennial tussock-forming grass widespread in Africa, Australia, Asia and the Pacific [2].In Australia it is commonly known as kangaroo grass [3] and in East Africa and South Africa it is known as red grass and red oat grass or as rooigras in Afrikaans.
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Bouteloua dactyloides, commonly known as buffalograss or buffalo grass, is a North American prairie grass native to Canada, Mexico, and the United States. It is a short grass found mainly on the High Plains and is co-dominant with blue grama ( B. gracilis ) over most of the shortgrass prairie .