The edible Boletus fibrillosus
differs in that the cap is dark brown, dry, velvety/fibrous, and the underside has yellow pores even when young. The edible Boletus rex-veris
differs in that it has a purplish/chestnut colored cap. It was once considered a variety of this species. The edible Boletus regineus
differs in having an almost black, burnt-looking cap.
See also Boletus barrowsii