Penny Bum (IMAGE) University of Helsinki Caption Penny Bum Boletus edulis Bull., an edible wild mushroom collected in large scale for the market from outside and within Europe, listed as Least Concern in IUCN Red List. Credit Jouko Rikkinen 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.