mycelium

The vegetative part of a fungus, consisting of a mass of branching, threadlike hyphae.

A similar mass of fibers formed by certain bacteria.

The vegetative part of the thallus of fungi, composed of one or more hyphæ.

The white threads or filamentous growth from which a mushroom or fungus is developed; the so-called mushroom spawn.

The vegetative part of any fungus, consisting of a mass of branching, threadlike hyphae, often underground.

the vegetative part of a fungus consisting of a mass of branching threadlike hyphae