牛毛毡俗名松毛蔺、猫毛草,属莎草科多年生沼生杂草,多生于稻田及周围湿地或河滩湿处,与异型莎草、继鳞扁莎等伴生,在水稻生长中后期为害水稻。牛毛毡个体虽小,但繁殖力强,蔓延速度极快,形成一层绿色地毯状,严重影响水稻生长。1.形态识别多年生小草本,具纤细地下横走根茎,高7～12厘米。秆密丛生,细如毛发,叶鳞片状。小穗单一顶生,卵形,稍扁,淡紫色,花少数。鳞片内全都 Cattle felt common name Lin Mao, Cat Mao grass, is a sedge Branch perennial marsh weeds, mostly in the paddy fields and wetlands or wet beaches, with Shaped sedges, followed by scales Shansha such as in the late rice growth Harm rice. Bovine felts are small, but fertile, spread very fast, forming a layer of green carpet, a serious impact on rice growth. 1. Morphological identification perennial herb, with thin roots to go away roots, high 7 to 12 cm. Culms clustered, fine as hair, leaf scales. Spikelets single terminal, ovate, slightly flattened, lavender, flowers few. Inside the scales