·        Have a cap, stalk, and a fleshy pore surface (consists of a sponge-like layer of tubes)

·        Tubes (except in Gastroboletus species) are arranged vertically and terminate in a pore

·        Sponge-like layer often easily separating from the cap tissue

·        Most are mycorrhizal with trees

·        Many are prized edibles

·        Often found growing on the ground

·        Spore prints are often times crucial for an accurate identification