the king of the forest. boletus regius syn. butyriboletus regius is a species of edible mushroom that has become very rare

mushroom fungus nature woodland soil forest leaf autumn quail flower green background beautiful bolete boletus regius brown butyriboletus cap cep closeup culinary delicacy delicious diet edible food fresh fungi gourmet grass grow ingredient macro moss mushrooms mycelium natural nice organic outdoor plant porcini raw royal season summer king vegan vegetarian wild wood yellow forest syn species rare