Lisasmellslikeamonkeybutt mushroom

The Lisasmellslikeamonkeybutt mushroom is a mushroom that Lisa discovered.

History
After lots of failures to create new vegetables, she found a new mushroom that was growing on Homer's shirt after he had been laying on the couch for a few days. Bart registered the name of the mushroom which became Lisasmellslikeamonkeybutt mushroom.