"Caesar's Agaric" is a term used to refer to the poisonous mushroom Amanita caesarea. Synonyms for this mushroom include "royal fly agaric," "Caesar's mushroom," and "Roman emperor mushroom." These names allude to the mushroom's historical significance as a delicacy consumed by ancient rulers and nobility. Other synonyms include "false death cap," "toadstool," and "mushroom of God," which refer to the poisonous and lethal nature of this mushroom if consumed improperly. Amanita caesarea is found in Europe and parts of Asia and is known for its striking appearance and culinary value, though it should only be consumed by experienced foragers.
