Any of several perennial reeds of the genus Phragmites in the grass family, found worldwide in marshes and wetlands and having stems up to nearly6 meters(20 feet) long.

• 芦苇属禾本科禾本科中的一种芦苇属多年生的芦苇，在世界各地的沼泽和湿地都有发现，有近六米（合20英尺）长的茎