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無編輯摘要
白鬃羊胡子草，学名Eriophorum altaicum Meinsh.，莎草科、羊胡子草属，分布于美国科罗拉多州、犹他州、怀俄明州和蒙大拿州。<ref>[https://baike.baidu.com/item/白鬃羊胡子草 白鬃羊胡子草]</ref>
[[File:白鬃羊胡子草1.jpg|缩略图|白鬃羊胡子草1[https://cn.bing.com/images/search?view=detailV2&ccid=wp4rvgg6&id=2D5DD1BDA5EDD55712E53CC4B58A8FFAF33634AF&thid=OIP.wp4rvgg6w4MO2cxWczQqIQHaFv&mediaurl=http%3a%2f%2fwww.baihuamen.com%2fd%2ffile%2f2014%2f06-04%2fb377d4038b32008960db95cc04e95ef4.jpg&exph=412&expw=531&q=%e7%99%bd%e9%ac%83%e7%be%8a%e8%83%a1%e5%ad%90%e8%8d%89&simid=608008639899896718&ck=2B4A5DD739B5DD2468E551E75C7534C4&selectedIndex=0&qpvt=%e7%99%bd%e9%ac%83%e7%be%8a%e8%83%a1%e5%ad%90%e8%8d%89&ajaxhist=0 原图链接]]]
白鬃羊胡子草为多年生草本植物，高约15-40厘米。其种子成熟后分裂出状如棉絮的白色细丝，可以随风飞散，以利于传播种子。叶鲜绿，茎仅于近基部具叶；小穗有两性花极多数，数个排成伞房花序或为复伞形花序；鳞片覆瓦状排列于小穗轴的周围；下位毛状体分裂为多数、白色的细丝，状如绵絮，结果时伸出鳞片外甚长，能随风飞散，故极易识别。此毛可为枕褥的填充物；雄蕊3－1；花柱长，脱落；柱头3（2－4）；坚果三角形，平滑。 广泛分布于北半球温带的沼泽地带。
[[File:白鬃羊胡子草2.jpg|缩略图|白鬃羊胡子草2[https://cn.bing.com/images/search?view=detailV2&ccid=w8ZIp66s&id=EA9ADAC25180BAD1BC7CB8678960FD3D7A98982B&thid=OIP.w8ZIp66sZW1kW8yPePIDOwHaFH&mediaurl=http%3A%2F%2Fwww.baihuamen.com%2Fd%2Ffile%2F2014%2F06-04%2F989bed01ab824a6b05acb094b63460ed.jpg&exph=508&expw=736&q=%e7%99%bd%e9%ac%83%e7%be%8a%e8%83%a1%e5%ad%90%e8%8d%89&simid=608036492724601939&ck=78DF2EC22ECA4E918A388884F8E070DD&selectedindex=1&qpvt=%e7%99%bd%e9%ac%83%e7%be%8a%e8%83%a1%e5%ad%90%e8%8d%89&ajaxhist=0&vt=0&sim=11 原图链接]]]
==生长环境==
用于园林观赏或人流较少的庭园草坪。<ref>[https://baike.baidu.com/item/白鬃羊胡子草 白鬃羊胡子草]</ref>
[[File:白鬃羊胡子草3.jpg|缩略图|白鬃羊胡子草3[https://cn.bing.com/images/search?view=detailV2&ccid=yyHASkC%2F&id=C7E8838703B5ABC11EC5D77519ADE29A195C820B&thid=OIP.yyHASkC_QRJWgrezPmG-yQHaFz&mediaurl=http%3A%2F%2Fwww.baihuamen.com%2Fd%2Ffile%2F2014%2F06-04%2Fac9c48ec081e0492e7e0dc32e1bec48d.jpg&exph=506&expw=646&q=%e7%99%bd%e9%ac%83%e7%be%8a%e8%83%a1%e5%ad%90%e8%8d%89&simid=607988071253085355&ck=DC1EC4ED298797B8F3E463ECB40B5F31&selectedindex=2&qpvt=%e7%99%bd%e9%ac%83%e7%be%8a%e8%83%a1%e5%ad%90%e8%8d%89&ajaxhist=0&vt=0&sim=11 原图链接]]]