Butyriboletus fechtneri

Butyriboletus fechtneri is a basidiomycete fungus in the family Boletaceae. It was formerly regarded as a species of Boletus, but in 2014 was transferred to the newly erected genus Butyriboletus, after molecular data revealed that it is a member of the "Regius" clade (named after B. regius), quite distant from the core clade of B. edulis and closely allied species.[1][2]

Butyriboletus fechtneri
Scientific classification
Kingdom:
Fungi
Division:
Basidiomycota
Class:
Agaricomycetes
Order:
Boletales
Family:
Boletaceae
Genus:
Butyriboletus
Species:
B. fechtneri
Binomial name
Butyriboletus fechtneri
(Velen.) D.Arora & J.L.Frank (2014)
Synonyms
  • Boletus fechtneri Velen. (1922)

Butyriboletus fechtneri is native to Europe, where it forms ectomycorrhizal associations with various broad-leaved trees of the family Fagaceae, particularly oak (Quercus), beech (Fagus) and chestnut (Castanea).[3][4][5] So far it has been molecularly confirmed from Austria, Bulgaria, Cyprus, Estonia, France, Spain and Sweden.[6] It is considered an endangered species in the Czech Republic.[7]

Recent molecular phylogenetic studies have shown regional populations of B. fechtneri to be highly variable genetically, suggesting they might be in the process of speciation.[6][8]

References
  1. Nuhn ME, Binder M, Taylor AF, Halling RE, Hibbett DS. (2013). "Phylogenetic overview of the Boletineae". Fungal Biology. 117 (7–8): 479–511. doi:10.1016/j.funbio.2013.04.008. PMID 23931115.CS1 maint: uses authors parameter (link)
  2. Arora D, Frank JL. (2014). "Clarifying the butter Boletes: a new genus, Butyriboletus, is established to accommodate Boletus sect. Appendiculati, and six new species are described". Mycologia. 106 (3): 464–80. doi:10.3852/13-052. PMID 24871600.
  3. Muñoz JA. (2005). Fungi Europaei 2: Boletus s.l. Italy: Edizioni Candusso. ISBN 978-88-901057-6-0.
  4. Galli R. (2007). I Boleti. Atlante pratico-monographico per la determinazione dei boleti (in Italian) (3rd ed.). Milano, Italy: Dalla Natura.
  5. Assyov B. (2012). "Revision of Boletus section Appendiculati (Boletaceae) in Bulgaria with a key to the Balkan species" (PDF). Turkish Journal of Botany. 36: 408–19. doi:10.3906/bot-1104-10. Archived from the original (PDF) on 2014-07-14.
  6. Loizides M, Bellanger JM, Assyov B, Moreau PA, Richard F (2019). "Present status and future of boletoid fungi (Boletaceae) on the island of Cyprus: cryptic and threatened diversity unraveled by 10-year study". Fungal Ecology. 41 (13): 65–81.
  7. Mikšik M. (2012). "Rare and protected species of boletes of the Czech Republic". Field Mycology. 13 (1): 8–16. doi:10.1016/j.fldmyc.2011.12.003.
  8. Loizides M, Bellanger JM, Assyov B, Moreau PA, Richard F (2019). "Phylogenetic and distributional data on boletoid fungi (Boletaceae) in Cyprus and description of a new sampling methodology". Data in Brief. 25: 1–11.


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