Fungal highways are vast, yet hidden underground—new study Phys.org 68 Quadrillion Underground Miles of Fungi The New York Times Subterranean fungi networks more than 100 quadrillion km in length, study finds The Guardian Earth's Underground Fungus Network Is So Gigantic That If You Stretched It Out, It Would Reach to Other Star Systems Futurism Fungal highways are vast, yet hidden underground – new study The Conversation