What is Mycelium?
A fungus can make a large hyphen network. This is called mycelium. Rhizomorphs is a whole and consists of many hyphae close together. This is a tissue that helps the survival of the organism. This allows multiple sources of nutrition to be addressed which in turn results in being able to survive in extreme conditions. In Oregon America, grows the largest living thing on earth; a honey fungus with a mycelium, underground fungus flake, of 890 acres. It is estimated to be as much as 2,400 years old.