Gyromitra Esculenta is a type of fungus, popularly known as "false morel." It is a poisonous mushroom found in many parts of the world. Due to its toxic nature, people often search for synonyms for this fungus to prevent accidental consumption. Some of the common synonyms for Gyromitra Esculenta include brain mushroom, beefsteak morel, and turban fungus. These synonyms help people to distinguish this poisonous fungus from its edible lookalike, the true morel. It is essential to remember that consuming Gyromitra Esculenta can result in severe poisoning and even death, making it crucial to avoid confusion with any edible mushroom species.