Pseudoboletus parasiticus - Hat diameter 20-70 mm, initially semicircular, then puffy to flat, velvety, suede, soft felt, dry, dull, leather-yellow, whitish-green, yellow-brown, greenish-pink to olive-brown, in the dry period sometimes cracked on small plots.
Tubes adnate or slightly converging, yellow, lemon yellow, later whitish. Brown-yellow to olive-brown.
Pipe-colored tubes, medium-sized, angular.
The stem is 20-60 mm high, 5-16 mm thick. In the shape of a cylindrical one, the bottom is narrowed, often bent, full. On the surface slightly point-shaped to fibrous. Yellowish, yellowish-brown in the bottom part brownish.
The pulp in the cap is soft, pale yellow, over the tubes juicy yellow, in the stipe fibrous, firmly yellow, after cutting it can slightly blue, tasteless and odorless.
Occurrence: It grows as a parasite on the lemon-mushroom fungus, in wet deciduous forests, on sandy and peaty soils, in pine forests, also outside them by the paths and on the edges of glades, only on acidic soils [peats, sands, silicates], from one longhorn grows up to several fruiting bodies. From July to October.
Value: Mushroom. Due to its rarity, it is not recommended.