三叉针茅是入侵性和适应性都很强的杂草。目前已经给澳大利亚、新西兰、美国等多个国家造成了严重危害。随着世界各国之间贸易往来日益频繁,我国也成为潜在分布地区。本文从形态特征、传播扩散途径、危害及控制和管理等方面对其进行了介绍,以加强对其准确识别和有效防治的能力。 Stipa bungeana is a highly invasive and adaptable weed. At present, it has caused serious damage to many countries such as Australia, New Zealand and the United States. As trade between countries in the world is increasingly frequent, our country has also become a potential distribution area. This article introduces it from the aspects of morphological characteristics, transmission and diffusion, hazards and control and management so as to enhance its ability to accurately identify and effectively prevent and control this disease.