Answer:
The old hyphae was left underground and a new mushroom will regrow from it.
Explanation:
Mushrooms is the fleshy part of a fungus that bears spores. Is found above the ground. It is comprised of parts such as the cap which is the top part.
Underneath the cap are the gills and the stalk or the stem is where the cap and gills are attached.
A part from the seen features, underneath the ground is where the hyphae which can give rise to another fruiting body or the mushroom.
