Moss plants (IMAGE) Washington University in St. Louis Caption Moss plants growing in sterile culture. Filaments extend from the main plant to explore new and potentially more beneficial areas. Credit Images were made by Ivan Radin, from the Haswell Lab at the Biology Department, Washington University in St. Louis, USA. Usage Restrictions For editorial purposes 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.