Poisonous mushroom

"Students should avoid poisonous mushroom patches!"

- A reminder from Professor Sprout.

Poisonous mushroom is a fleshy fungus that produces toxins that are harmful to humans. In 1991, Professor Pomona Sprout left her students a note by one of such patches that they should keep clear of them.

Appearances

 * Harry Potter and the Philosopher's Stone (video game)