Which of the following is not an edible variety of mushroom:

Amanita phalloides, known as the death cap, is a highly toxic mushroom, unlike edible varieties like button or oyster mushrooms. Studying this highlights its role in mycology, the challenges of identifying safe mushrooms, and its impact on food safety. It also offers insights into how toxicity affects ecosystems, providing lessons on educating communities about foraging safety to prevent poisoning incidents.