Phlebopus is a genus of fungi in the family Boletinellaceae (suborder Sclerodermatineae of the Boletales order). The genus has a widespread distribution in subtropical and pantropical regions, and contains 12 species. The species are saprobic, with some possibly able to form mycorrhizae with exotic trees in certain conditions. It contains the gigantic Phlebopus marginatus, the cap of which can reach 1 m (3.3 ft) in diameter.