狗牙根又名铁钱草、爬地草。广泛分布于热带、亚热带和温带沿海等地,美国南部、非洲、欧洲、亚洲的南部均有分布。我国黄河流域以南各省、自治区均有分布,并已在广东、广西等省、自治区推广种植,通常生长于河滩、草甸与田边地角,可形成一定面积的单优势种植业。 Bermudagrari, also known as iron money grass, climbing grass. Widely distributed in the tropical, subtropical and temperate coastal areas such as the United States, southern Africa, Europe, southern Asia are distributed. The provinces and autonomous regions south of the Yellow River Basin in our country are all distributed and have been planted in Guangdong, Guangxi and other provinces and autonomous regions. They usually grow in riverbanks, meadows and land fields and form a single dominant planting area of ​​a certain area.