Gabriela Zuquim, University of Turku (IMAGE) University of Turku Caption This is Gabriela Zuquim identifying a fern in Amazonian rainforest. Credit Ricardo Braga Neto Usage Restrictions The media may use the enclosed photos freely in connection with news on the topic. The photographers must always be credited. 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.