Hyphae vs. Mycelium

Hyphae

The long, branching filaments of which the mycelium (and the greater part of the plant) of a fungus is formed. They are also found enveloping the gonidia of lichens, making up a large part of their structure.

Myceliumnoun

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

Myceliumnoun

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

Myceliumnoun

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

Mycelium

Mycelium is the vegetative part of a fungus or fungus-like bacterial colony, consisting of a mass of branching, thread-like hyphae. The mass of hyphae is sometimes called shiro, especially within the fairy ring fungi.