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Butter Boletes
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 analysis to be phylogenetically distinct from Boletus. Butyriboletus contains 24 ectomycorrhizal species found in Asia, Europe, North America and north Africa.
The group had earlier been classified as the section Appendiculati within the large genus Boletus. They were given the common name "butter boletes" as the color of their stalk, flesh and pores was similar to that of butter. Genetic analysis published in 2013 shows that these species are part of a regius clade (named for B. regius), distinct from the core group of the type species B. edulis and relatives within the Boletineae. The narrowing of Boletus to this latter group meant that this group would need to be placed in a separate genus, with Boletus appendiculatus (now Butyriboletus appendiculatus) designated as the type species. The genus name itself is derived from the Latin butyrum "butter".
31 branches of this genus, most-observed first
Butter Bolete
speciesButyriboletus appendiculatus
Butyriboletus brunneus
speciesButyriboletus brunneus
Pink-capped Oak Butter Bolete
speciesButyriboletus querciregius
Royal Bolete
speciesButyriboletus regius
Spring Butter Bolete
speciesButyriboletus primiregius
Mountain Butter Bolete
speciesButyriboletus abieticola
Butyriboletus loyo
speciesButyriboletus loyo
Butyriboletus subappendiculatus
speciesButyriboletus subappendiculatus
Brown Butter Bolete
speciesButyriboletus persolidus
pretender
speciesButyriboletus fuscoroseus
Butyriboletus roseopurpureus
speciesButyriboletus roseopurpureus
Pale Bolete
speciesButyriboletus fechtneri
Rosy Autumn Butter Bolete
speciesButyriboletus autumniregius
Butyriboletus taughannockensis
speciesButyriboletus taughannockensis
Butyriboletus pulchriceps
speciesButyriboletus pulchriceps
Butyriboletus roseogriseus
speciesButyriboletus roseogriseus
Butyriboletus sp. 'VA01'
speciesButyriboletus sp. 'VA01'
Butyriboletus sp. 'MS01'
speciesButyriboletus sp. 'MS01'
Butyriboletus roseoflavus
speciesButyriboletus roseoflavus
Butyriboletus yicibus
speciesButyriboletus yicibus
Butyriboletus parachinarensis
speciesButyriboletus parachinarensis
Butyriboletus peckii
speciesButyriboletus peckii
Butyriboletus sp. 'KON01'
speciesButyriboletus sp. 'KON01'
Butyriboletus sp. 'CA01'
speciesButyriboletus sp. 'CA01'
Butyriboletus sp. 'MX01'
speciesButyriboletus sp. 'MX01'
Butyriboletus sinoregius
speciesButyriboletus sinoregius
Butyriboletus sp. 'canadensis'
speciesButyriboletus sp. 'canadensis'
Butyriboletus sanicibus
speciesButyriboletus sanicibus
Butyriboletus pseudoroseoflavus
speciesButyriboletus pseudoroseoflavus
Butyriboletus brunneoides
speciesButyriboletus brunneoides
Butyriboletus sp. 'QC01'
speciesButyriboletus sp. 'QC01'
Where it lives
Recorded sightings
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geo-referenced records in GBIF, from museums, herbaria and field observers.
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In the stacks
Searching the stacks…
Every page naming Butyriboletus in the Biodiversity Heritage Library →
This page is assembled live from iNaturalist, GBIF, Wikipedia, the Source Library and the Internet Archive. It is not yet part of the hand-edited codex. iNaturalist taxon 372727.