Definition
Mycelium is a mass of hyphae constituting the body (thallus) of a fungus.
A mycelial fan of the plant pathogenic fungus, Sclerotium rolfsii. |
 A fungal plant pathogen with conspicuous mycelium forming on leaves of the pasture legume, Glycine sp. |
Mycelium is a mass of hyphae constituting the body (thallus) of a fungus.