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Bromus marginatus
''Bromus maginatus'' is a species of grass known by the common name mountain brome. It is native to western North America, and it is used widely for grazing animals and revegetating landscapes.〔(''Bromus marginatus''. ) USDA NRCS Plant Guide.〕
This short-lived perennial grass forms a large, shallow root network. The roots give it drought-tolerance,〔Rajčáková, Ľ., et al. (2006). (Nutrition value of ''Bromus marginatus'' and possibilities to regulation of fermentation in ensilage process. ) ''Slovak J Anim Sci'' 39 93-97.〕 and they persist in the soil long after the plant has died, making it valuable for erosion control.〔 The stems can usually reach one meter in height but are known to reach 1.5 meters. The hairy leaves are up to a centimeter wide. The inflorescence is a nodding panicle of spikelets, each with up to 10 flowers.〔
In the wild in its native range this grass grows in moister areas in mountain sagebrush, scrub, and meadows into the subalpine climate. It can tolerate thin, dry soils and some shade. It establishes easily and can become weedy. It can be planted on slopes and uneven terrain using a broadcast seeding method.〔
There are several cultivars of this grass, including 'Garnet', 'Bromar',〔 and 'Tacit'.〔〔Míka, V., et al. (2004). (Performance of grass mixtures with mountain brome (''Bromus marginatus'' Nees ex Steud.) in Central European lowlands. ) ''Plant Soil Environ'' 50(3) 101-07.〕 The latter has been known to produce 15 tons per hectare with 3 to 4 harvests per year.〔
==References==
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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