Studying Exotics in the Wild (image) Netherlands Institute of Ecology (NIOO-KNAW) Share Print E-Mail Caption It's hard to tell exotic and indigenous submerged water plants apart. They now prove to have comparable ecological values as well. Credit NIOO-KNAW Usage Restrictions To be used in combination with the subject of this press release. Share Print E-Mail 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.