- fungus of mushroom - A fungus of the genus Agaricus, of many species, of which
the common mushroom is an example. - An old name for several species of Polyporus, corky fungi
growing on decaying wood.
- Mushroom relative - Mushroom shaped fungus - Poisonous fungus - Poisonous mushroom - A name given to many umbrella-shaped fungi, mostly of
the genus Agaricus. The species are almost numberless. They grow on
decaying organic matter.