Morphologically close to Boletus edulis, it is distinguished by an elongated stem, a beige skin and white pores, even when old.
[2] Basidiocarp: as with other boletes, the size of the fruitbody is variable, but it does not reach the prominence of Boletus edulis.
Flesh is "thin even in very large specimens" Hymenium: pores white, even when old, without the "greenish tint" of B. edulis.
Pileus:7-20cm wide, convex becoming plane with age, dry, with a yellowish to reddish brown skin, lighter in the center of the cap, becoming lighter with age to pale ochraceous.
[3][4] Boletus nobilis is found under oak and beech trees on the East Coast of the United States: Appalachia, Pennsylvania, Ohio from summer to fall.