Collecting fern specimens (IMAGE) University of Turku Caption Gabriela Zuquim and Kalle Ruokolainen collecting fern specimens during a field trip in Brazilian Amazonia. Credit Hanna Tuomisto Usage Restrictions Photos can be used freely by media in related coverage as long as the name of the photographer is mentioned. Photographer: Hanna Tuomisto License Original 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.