Suillellus luridus
Suillellus luridus is a fungus of the family Boletaceae. Fruit bodies appear in summer and autumn and may be locally abundant. It is a firm bolete with an olive-brown cap up to 20 cm in diameter. The species is mycorrhizal, forming a symbiotic association with broad-leaved trees trees as oak, chestnut, birch and beech.
