Mycelium (IMAGE) Ruhr-University Bochum Caption Fruiting bodies of Pyronema confluens are shown. The diameter of the fungus' reproductive organs indicated here is half a millimeter. Credit Stefanie Traeger 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.