Ferns Collected (IMAGE) Academy of Finland Caption The researchers collected data on four plant groups: ferns (pictured), palms, gingers and Melastomataceae. Credit Photo: Hanna Tuomisto 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.