''Postia'' is a

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...

of brown rot fungi in the family

Fomitopsidaceae The Fomitopsidaceae are a family of fungi in the order Polyporales. Most species are parasitic on woody plants, and tend to cause brown rots. The name comes from ''Fomitopsis'' (meaning "looking like Fomes") + ''-aceae'' (a suffix used to form t ...

Taxonomy

''Postia'' was

circumscribed In geometry, the circumscribed circle or circumcircle of a polygon is a circle that passes through all the vertices of the polygon. The center of this circle is called the circumcenter and its radius is called the circumradius. Not every polyg ...

by mycologist

Elias Magnus Fries Elias Magnus Fries (15 August 1794 – 8 February 1878) was a Swedish mycologist and botanist. Career Fries was born at Femsjö (Hylte Municipality), Småland, the son of the pastor there. He attended school in Växjö. He acquired ...

in his 1874 work ''Hymenomycetes europaei''. The genus name honours Swedish naturalist

Hampus von Post Hampus is a Swedish masculine given name which is the diminutive form of Hans. People with the name include: Given name * Hampus Wilhelm Arnell (1848–1932), Swedish bryologist * Hampus Bergdahl (born 1995), Swedish footballer * Hampus Eriksso ...

(1822–1911).

Species

A 2008 estimate placed 30 species in the genus. , Index Fungorum accepts 57 species of ''Postia'': 2010-06-24 Oligoporus guttulatus 90882

Ptychogaster fuliginoides weißer polsterpilz

In a 2018 revision of the ''Postia caesia'' complex, Otto Miettinen and colleagues proposed four

new combinations ''Combinatio nova'', abbreviated ''comb. nov.'' (sometimes ''n. comb.''), is Latin for "new combination". It is used in taxonomic biology literature when a new name is introduced based on a pre-existing name. The term should not to be confused wi ...

, and described ten new species: *'' P. alni'' Niemelä & Vampola (2018) – Europe *'' P. arbuti'' Spirin (2018) – North America *'' P. auricoma'' Spirin & Niemelä (2018 – Eurasia *'' P. bifaria'' Spirin (2018) – East Asia *'' P. caesiosimulans'' (G.F.Atk.) Spirin & Miettinen (2018) –

Holarctic The Holarctic realm is a biogeographic realm that comprises the majority of habitats found throughout the continents in the Northern Hemisphere. It corresponds to the floristic Boreal Kingdom. It includes both the Nearctic zoogeographical region ...

*'' P. comata'' Miettinen (2018) – Northeastern United States *'' P. cyanescens'' Miettinen (2018) – Europe *'' P. glauca'' Spirin & Miettinen (2018) – East Asia *'' P. gossypina'' (Moug. & Lév.) Spirin & Rivoire (2018) – Europe *'' P. livens'' Miettinen & Vlasák (2018) – North America *'' P. magna'' Miettinen (2018) – China; South Korea *'' P. populi'' Miettinen (2018) – Holarctic *'' P. simulans'' (P.Karst.) Spirin & Rivoire (2018) – Holarctic *'' P. subviridis'' (Ryvarden & Guzmán) Spirin (2018) – Europe; North America *'' P. yanae'' Miettinen & Kotiranta (2018) – Eastern Siberia

References

Fomitopsidaceae Polyporales genera Taxa named by Elias Magnus Fries Taxa described in 1874 {{Polyporales-stub