<em>Phragmites australis</em> Root (IMAGE) Rutgers University Caption The root of Phragmites australis -- "giant reed grass" -- with a cloud of bacteria around the root tip where bacteria enter root cells. Credit Professor James F. White Jr./Rutgers University-New Brunswick Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.