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Exsudoporus
Exsudoporus permagnificus
Scientific classification
Domain:	Eukaryota
Kingdom:	Fungi
Division:	Basidiomycota
Class:	Agaricomycetes
Order:	Boletales
Family:	Boletaceae
Genus:	Exsudoporus Vizzini, Simonini & Gelardi (2014)
Type species
Exsudoporus permagnificus (Pöder) Vizzini, Simonini & Gelardi (2014)
Species
Exsudoporus floridanus Exsudoporus frostii Exsudoporus permagnificus Exsudoporus ruber

Exsudoporus is a genus of fungi in the family Boletaceae. It was circumscribed in 2014 by Alfredo Vizzini and colleagues, following a number of molecular studies that outlined a new phylogenetic framework for Boletaceae and revealed the genus Boletus in its traditional circumscription to be polyphyletic. However, due to lack of sufficient sequences, Wu and colleagues (2016) were reluctant to accept the newly proposed genus and considered it a synonym of Butyriboletus. Following additional phylogenetic sequencing and morphological analyses, Exsudoporus was clearly resolved as a monophyletic, homogenous and independent genus that is sister to Butyriboletus.

Species of Exsudoporus are united by the tendency of their pores to exude yellowish droplets, hence the generic epithet. Other distinctive features separating Exsudoporus from its sister-genus Butyriboletus, include the reddish-orange colour of their pores and the distinctly elongated, often 'sculpted' (raised) reticulation on the stipe.

Species

The genus currently accommodates four species:

Image	Scientific Name	Taxon author	Year	Distribution
	Exsudoporus permagnificus	(Pöder 1981) Vizzini, Simonini & Gelardi	2014	native to Europe and West Asia
	Exsudoporus ruber	(M. Zang) Gelardi, Biketova and Vizzini	2022	native to East Asia
	Exsudoporus floridanus	(Singer 1945) Vizzini, Simonini & Gelardi	2014	North America.
	Exsudoporus frostii	(J.L. Russell 1874) Vizzini, Simonini & Gelardi	2014	North America.

References

1. ^ Vizzini A. (August 22, 2014). "Nomenclatural novelties" (PDF). Index Fungorum (183): 1.
2. 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.
3. Wu G, Feng B, Xu J, Zhu XT, Li YC, Zeng NK, Hosen MI, Yang ZL (2014). "Molecular phylogenetic analyses redefine seven major clades and reveal 22 new generic clades in the fungal family Boletaceae". Fungal Diversity. 69 (1): 93–115. doi:10.1007/s13225-014-0283-8. S2CID 15652037.
4. Wu G, Li YC, Zhu XT, Zhao K, Han LH, Cui YY, Li F, Xu J, Yang ZL. (2016). One hundred noteworthy boletes from China. Fungal Diversity 81(1): 25–188.
5. ^ 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. doi:10.1016/j.funeco.2019.03.008. S2CID 181958289.
6. ^ Biketova AY, Gelardi M, Smith ME, Simonini G, Healy RA, Taneyama Y, Vasquez G, Kovács Á, Nagy LG, Wasser SP, Peintner U, Nevo E, Bunyard BA, Vizzini A (2022). "Reappraisal of the Genus Exsudoporus (Boletaceae) Worldwide Based on Multi-Gene Phylogeny, Morphology and Biogeography, and Insights on Amoenoboletus". Journal of Fungi. 8 (2): 2–25. doi:10.3390/jof8020101. PMC 8874676. PMID 35205856.
7. Biketova, Alona Yu.; Gelardi, Matteo; Smith, Matthew E.; Simonini, Giampaolo; Healy, Rosanne A.; Taneyama, Yuichi; Vasquez, Gianrico; Kovács, Ádám; Nagy, László G.; Wasser, Solomon P.; Peintner, Ursula; Nevo, Eviatar; Bunyard, Britt A.; Vizzini, Alfredo (2022-01-21). "Reappraisal of the Genus Exsudoporus (Boletaceae) Worldwide Based on Multi-Gene Phylogeny, Morphology and Biogeography, and Insights on Amoenoboletus". Journal of Fungi. 8 (2). MDPI AG: 101. doi:10.3390/jof8020101. ISSN 2309-608X. PMC 8874676. PMID 35205856.

External links

Exsudoporus in Index Fungorum

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