caloboletus calopus commonly known as the bitter bolete is a fungus of the bolete family

autumn background backgrounds beauty bitter beech bolete boletaceae boletus calopus brown caloboletus mushrooms closeup color fall forest mushroom fresh fungi fungus grass green ground group inedible macro moss mushrooming europe mycology natural nature organic outdoor outdoors plant red scarlet stemmed scarletstemmed season summer vegetarian wild wonderful wood woodland commonly family found asia america