Leafy Stem (IMAGE) Penn State Caption This is a leafy branch of a fossilized Agathis tree found in Patagonia, Argentina. Credit Peter Wilf, Penn State Usage Restrictions Non commercial use only 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.