Boletus subtomentosus - Hat 30-100 mm in diameter, initially hemispherical, then lumpy, flat-napped, with long folded edge, dry, matte, velvety, more or less suede, skin unobectable, ocher or ocher color, also brownish-brown to gray-brown, surface sometimes cracked on small plots .
Long tubes, from 5 mm up to 20 mm, light yellow, later darken to greenish-yellow or olive-brown with a brown coating, initially adnate and slightly converging then free, in the adult stage easy to separate from the pulp of the hat.
Large, irregular, angular pores, tube colors, after pressing, will not bleach, they may gray in old fruiting bodies.
Shank 60-100 mm high, 10-20 mm thick, cylindrical, slender, bottom thinner, full, compacted, top corrugated, longitudinally ribbed, bright, yellow-creamy, yellowish-brown, red-brown, on the surface with brown grains, forming a kind of mesh very much elongated mesh, but not always present.
Flesh in the hat whitish, butter-colored, with a yellowish tinge in some places, soft, fleshy; in the stem, much harder, fibrous, yellow. It usually does not change the color, the taste is mild, the smell is nice, pleasantly fungus.
Occurrence: On the ground, in deciduous forests (especially in oaks), less often in coniferous and mixed forests. Fairly ordinary. From June to October.
Value: Mushroom of medium quality.