The Suillellus luridus (Boletus luridus) belongs to do the bolete family. The muschroom can be found in the summer and autumn. The cap is olive-brown with a diameter of up to 20 cm. On the underside it has small red pores. This mushroom is edible after it has been cooked but should not be eaten raw and it has not to be confused with the poisonous Boletus satanas.
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Notes
Raffaele Mansi, Associazione Micologica Campana Il Bosco