Fern Hybrid (IMAGE) Duke University Caption Found on a forest floor in the French Pyrenees, this shin-high fern is the offspring of two distantly related groups of plants that split into separate lineages some 60 million years ago. Credit Photo courtesy of Harry Roskam. 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.