Morel Mushroom (IMAGE) The University of Montana Caption A morel mushroom emerges from the Yosemite National Park forest floor the spring following a forest fire. Credit C. Alina Cansler. 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.