Toxic mushrooms are fungi that contain harmful substances, making them dangerous if ingested. Some well-known toxic varieties include the Amanita phalloides, commonly known as the death cap, and the Amanita muscaria, or fly agaric. Consuming these mushrooms can lead to severe illness or even death, as they can cause liver damage or neurological symptoms. Identifying toxic mushrooms can be challenging, as many edible species closely resemble their poisonous counterparts. It is essential for foragers to have a thorough understanding of mushroom identification and to consult reliable resources or experts before consuming any wild mushrooms.