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Oligoporus caesius 74766.jpg
Oligoporus caesius
Scientific classification
Kingdom: Fungi
Division: Basidiomycota
Class: Agaricomycetes
Order: Polyporales
Family: Polyporaceae
Genus: Oligoporus
Bref. (1888)
Type species
Oligoporus farinosus
Bref. (1888)

Oligoporus is a genus of fungi in the family Polyporaceae. The genus was circumscribed by German mycologist Julius Oscar Brefeld in 1888 with Oligoporus farinosus as the type.[1] This species is currently known as Postia rennyi.[2] The genus name combines the Ancient Greek words ὀλίγος ("few") and πόρος ("pore").[3]

Oligoporus species have fruit bodies that are either crust-like or pileate (i.e., with a cap). Species cause a brown rot of wood. The hyphal structure is monomytic, meaning that only generative hyphae are produced. Spores made by Oligoporus fungi are ellipsoid or have a short cylindrical shape.[4]


A 2008 estimate placed 10 species in Oligoporus;[5] As of September 2016, Index Fungorum accepts 12 species.


  1. ^ Brefeld, O. (1888). "Basidiomyceten III. Autobasidiomyceten". Untersuchungen aus dem Gesammtgebiete der Mykologie (in German). 8: 114. 
  2. ^ "Record Details: Oligoporus farinosus Bref". Index Fungorum. CAB International. Retrieved 2016-09-17. 
  3. ^ Donk, M.A. (1960). "The generic names proposed for Polyporaceae". Persoonia. 1 (2): 173–302. 
  4. ^ Spirin, Wjacheslav A.; Zmitrovish, Ivan V.; Wasser, Solomon P. (2006). "Oligoporus balsameus – rare Eurasian species plus notes on related taxa" (PDF). Mycotaxon. 97: 73–82. 
  5. ^ Kirk, P.M.; Cannon, P.F.; Minter, D.W.; Stalpers, J.A. (2008). Dictionary of the Fungi (10th ed.). Wallingford, UK: CAB International. p. 480. ISBN 978-0-85199-826-8. 
  6. ^ Piatek, M. (2003). "Notes on Polish polypores. 1. Oligoporus alni, comb. nov". Polish Botanical Journal. 48 (1): 17–20. 
  7. ^ a b Niemelä, T.; Kinnunen, J.; Larsson, K.H.; Schigel, D.D.; Larsson, E. (2005). "Genus revisions and new combinations of some North European polypores". Karstenia. 45 (2): 75–80. 
  8. ^ Hattori, T. (2002). "Type studies of the polypores described by E.J.H. Corner from Asia and West Pacific Areas. IV. Species described in Tyromyces (1)". Mycoscience. 43 (4): 307–315. doi:10.1007/s102670200045. 
  9. ^ Ryvarden, L.; Stokland, L.; Larsson, K.H. (2003). A Critical Checklist of Corticoid and Poroid Fungi of Norway. Synopsis Fungorum. 17. p. 108. 
  10. ^ Kotiranta, H.; Saarenoksa, R.; Kytövuori, I. (2009). "Aphyllophoroid fungi of Finland. A check-list with ecology, distribution, and threat categories". Norrlinia. 19: 221.