''Butyriboletus peckii'' is a

fungus A fungus ( : fungi or funguses) is any member of the group of eukaryotic organisms that includes microorganisms such as yeasts and molds, as well as the more familiar mushrooms. These organisms are classified as a kingdom, separately from th ...

of the genus ''

Butyriboletus ''Butyriboletus'' is a genus of fungi in the family Boletaceae. The genus was circumscribed in 2014 by mycologists David Arora and Jonathan L. Frank to accommodate "butter bolete" species that were shown by molecular phylogenetics, molecular anal ...

'' native to eastern North America. It was first described by

Charles Christopher Frost Charles Christopher Frost (November 11, 1805 – March 16, 1880) was an American mycologist. He described several species of fungi from the New England area of the United States. In one paper, Frost described 22 new species of boletes, and he wa ...

in 1878. Until 2014, it was known as ''Boletus peckii''. Recent changes in the

phylogenetic In biology, phylogenetics (; from Greek φυλή/ φῦλον [] "tribe, clan, race", and wikt:γενετικός, γενετικός [] "origin, source, birth") is the study of the evolutionary history and relationships among or within groups o ...

framework of the Boletaceae prompted the transfer of this species, along with several other related boletes, including ''

Caloboletus calopus ''Caloboletus calopus'', common name, commonly known as the bitter beech bolete or scarlet-stemmed bolete, is a fungus of the Boletaceae, bolete family, found in Asia, Northern Europe and North America. Appearing in coniferous forest, conifero ...

'', to the genus '' Caloboletus''. In 2015, Kuan Zhao and colleagues published analysis that demonstrated that the bolete belongs to ''

'', closely related to '' Butyriboletus pulchriceps''.

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* Fungi described in 1878 Fungi of North America peckii Fungus species {{Boletales-stub

See also

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