Amanita Phalloides, commonly known as the death cap mushroom, is a highly toxic species of mushroom. The ingestion of even a small amount of this mushroom can result in serious illness or death. Due to its deadly nature, there are few synonyms for Amanita Phalloides. However, it is sometimes referred to as the lethal Amanita, deadly Amanita, or green-spored Lepiota. It is important to note that similar looking mushrooms may not necessarily be poisonous, so one should always exercise caution when foraging for wild mushrooms and only consume those that have been positively identified by a knowledgeable source.