sentences:  Described in 1789 by French mycologist Pierre Bulliard, it is closely related to several other European boletes, including "B. reticulatus", "B. pinophilus", and the popular "B. edulis".Some populations in North Africa have in the past been classified as a separate species, "B. mamorensis", but have been shown to be phylogenetically conspecific to "B. aereus" and this taxon is now regarded as a synonym.The fungus predominantly grows in habitats with broad-leaved trees and shrubs, forming symbiotic ectomycorrhizal associations in which the underground roots of these plants are enveloped with sheaths of fungal tissue (hyphae).