by Holli Elliott Branching from the base of mushrooms are thin, threadlike mycelia that communicate so much information between plants and trees that it has become known, due to the scholarship of mycologist Paul Stamets, as the neural network of the terrestrial biosphere. Mycelium is found in soil or other substrates, sometimes spreading beneath a forest foor as one gargantuan organism, such as in Oregon where a 2,400-acre contiguous growth has been recorded as the largest o