In this episode of Conservation Conversations with Sean O'Brien, Sean is joined by Dr. Greg Mueller, Chief Scientist and Negaunee Vice President of Science for the Chicago Botanic Garden. Greg studies the ecology and conservation of mushrooms and other macrofungi. Today, he focuses on raising awareness about the importance of fungi in our natural communities. Listen to learn why we need fungi, how trees use an underground network to communicate, and how mycology inspires science fiction writing.