Boletus regius
Cap 8.0-15.0 (20) cm broad, strongly convex, expanding to plano-convex; margin incurved, becoming decurved to plane in age; surface subviscid when moist, otherwise dry, with irregular bumps, pits and depresssion, at first ornamented with patches of appressed fibrils, these often wearing away in age, then appearing glabrous; color rose-red to pale-pink, quickly fading with exposure to light to various combinations of buff, tan, or dull pale-yellow; context lemon-yellow, firm, up to 2.5 cm thick, slowly bluing when cut or injured, bluing reaction strongest just above the tube layer; odor mild; taste mild, pleasant.