Boletus edulis is a type of edible mushroom that is also known by various other names. Some of the synonyms for this popular mushroom include porcino, cep, penny bun, king bolete, and steinpilz. The porcino name comes from its resemblance to a pig's snout, while the cep name is French in origin. The penny bun name is derived from its round shape and brown color. The king bolete name is drawn from its royal status as one of the best edible mushrooms, and Steinpilz is the German name for this mushroom, which translates to "stone mushroom." Boletus edulis is a delicious and versatile mushroom that can be used in a variety of recipes, and its many synonyms are a testament to its popularity and versatility.