Fungus on Wood Chips (IMAGE) Virginia Tech Caption Stropharia fungus on wood chips exemplifying the evolution of fungal ability to break down the cell wall lignin and to help recycle plants. This feature was instrumental in the emergence of woody plants and forest systems. Credit Tom Wieboldt Usage Restrictions Credit Tom Wieboldt 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.