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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 ...
Lolium perenne, common name perennial ryegrass, [1] English ryegrass, winter ryegrass, or ray grass, is a grass from the family Poaceae. It is native to Europe, Asia and northern Africa, but is widely cultivated and naturalised around the world. Lolium perenne, showing ligule and ribbed leaf
Ryegrass pollen is also one of the major causes of hay fever. Tennis courts, including those at the All England Lawn Tennis and Croquet Club, the venue for Wimbledon, are planted with ryegrass. [13] [14] Glyphosate-resistant Lolium has been reported from Mississippi in 2006. [15]
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Common names by which it is known include annual ryegrass, a name also given to Italian ryegrass (Lolium multiflorum), rigid ryegrass, stiff darnel, Swiss ryegrass and Wimmera ryegrass. [1] It is a native of southern Europe, northern Africa, the Middle East and the Indian subcontinent and is grown as a forage crop, particularly in Australia ...
Intensive farming, urbanization, and the spread of trees - that were formerly limited by periodic fires - continue to contribute to habitat loss. [8] Studies estimated in 2018 that grasslands in the U.S were being lost at a rate of more than one-million-acre per year (0.40 × 10 ^ 6 ha).
The expansion of shrubs and trees, referred to as woody plant encroachment, is a prominent regime shift and risk to the existing tallgrass prairie. Animals native to the Flint Hills include the American bison , which once grazed the area by the millions and were almost entirely exterminated, but have now been reintroduced.
Canada wild rye is a perennial bunchgrass reaching heights of 1 to 1.5 metres (3 ft 3 in to 4 ft 11 in). It grows from a small rhizome, forms a shallow, fine root network, and is a facultative mycotroph, receiving about 25% of its nutrients on average from symbiotic mycorrhizae. [5]