French mycologist Pierre BulliarddescribedBoletus aereus in 1789. The species epithet is the Latin adjective aerěus, meaning "made with bronze or copper". His countryman Lucien Quélet transferred the species to the now-obsolete genus Dictyopusin 1886, which resulted in the synonymDictyopus aereus, while René Mairereclassified it as a subspecies of B. edulis in 1937. In 1940, Manuel Cabral de Rezende-Pinto published the varietyB. aereus var. squarrosus from collections made in Brazil,but this taxon is not considered to be taxonomically distinct.
In works published before 1987, the binomial name was written fully as Boletus aereus Fr., as the description by Bulliard had been sanctioned (i.e., treated as if conservedagainst earlier homonyms and competing synonyms) in 1821 by the "father of mycology", Swedish naturalist Elias Magnus Fries. The starting date for all the mycota had been set by general agreement as 1 January 1821, the date of Fries' work. The 1987 edition of the International Code of Botanical Nomenclature changed the rules on the starting date and primary work for names of fungi; names can now be considered valid as far back as 1 May 1753, hence predating publication of Bulliard's work.
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