偃麦草Elytrigia repens(L.)Desv。又叫速生草、老碱草,系多年生饲用禾草,南北疆平原绿洲及中低山湿润的山谷和台地均有分布,主要生于荒地、路边、溪旁和草地,我国西藏、青海、甘肃、内蒙古、东北诸省区以及蒙古、苏联中亚和西伯利亚、北半球温带其它地区也有分布。 Elytrigia repens (L.) Desv. Also known as fast-growing grass, old grass, Department of perennial grass, north-south plain plain oasis and low mountain moist valley and platform are distributed, mainly born in wasteland, roadside, creek and grassland, China’s Tibet, Qinghai, Gansu, Inner Mongolia, northeastern provinces and Mongolia, the Soviet Union Central Asia and Siberia, the northern hemisphere temperate other regions also have distribution.