# Postia

Postia is a genus of brown rot fungi in the family Fomitopsidaceae.

## Taxonomy

Postia was circumscribed by mycologist Elias Magnus Fries in his 1874 work Hymenomycetes europaei. The genus name honours Swedish naturalist Hampus von Post (1822–1911).

## Species

A 2008 estimate placed 30 species in the genus. As of June 2018, Index Fungorum accepts 57 species of Postia:
* Postia africana (Ryvarden) V.Papp (2015)
* Postia amurensis Y.C.Dai & Penttilä (2006) – China
* Postia amylocystis Y.C.Dai & Renvall (1994) – China
* Postia amyloidea (Corner) V.Papp (2015)
* Postia balsamea (Peck) Jülich (1982)
* Postia brunnea Rajchenb. & P.K.Buchanan (1996) – Australia; New Zealand
* Postia caesia (Schrad.) P.Karst. (1881) – Europe
* Postia caesioflava (Pat.) V.Papp (2015)
* Postia calcarea Y.L.Wei & Y.C.Dai (2006) – China
* Postia cana H.S.Yuan & Y.C.Dai (2010)
* Postia carbophila Rajchenb. (1995) – South America
* Postia ceriflua (Berk. & M.A.Curtis) Jülich (1982)
* Postia coeruleivirens (Corner) V.Papp (2015) – East and Southeast Asia
* Postia cylindrica H.S.Yuan (2017) – China
* Postia dissecta (Cooke) Rajchenb. (1988)
* Postia duplicata L.L.Shen, B.K.Cui & Y.C.Dai (2014)
* Postia floriformis (Quél.) Jülich (1982)
* Postia fragilis (Fr.) Jülich (1982) – Europe
* Postia globicystidia P.K.Buchanan & Ryvarden (1998) – New Zealand
* Postia gloeocystidiata Y.L.Wei & Y.C.Dai (2006) – China
* Postia grata (Berk.) Rajchenb. (1989) – Nepal
* Postia guttulata (Sacc.) Jülich (1982) – Europe; India
* Postia hibernica (Berk. & Broome) Jülich (1982) – Great Britain
* Postia immitis (Peck) Niemelä (2009)
* Postia inocybe (A.David & Malençon) Jülich (1982)
* Postia japonica Y.C.Dai & T.Hatt. (2007)
* Postia johnstonii (Murrill) Jülich (1982)
* Postia lateritia Renvall (1992) – Europe
* Postia leucomallella (Murrill) Jülich (1982) – Europe
* Postia lowei (Pilát) Jülich (1982) – Great Britain
* Postia luteocaesia (A.David) Jülich (1982) – Europe
* Postia manuka (G.Cunn.) P.K.Buchanan & Ryvarden (2000)
* Postia mediterraneocaesia M. Pieri & B.Rivoire (2005) – Europe
* Postia minuta Rajchenb. (2001) – Argentina
* Postia obliqua Y.L.Wei & W.M.Qin (2010) – China
* Postia pelliculosa (Berk.) Rajchenb. (1988) – Uganda
* Postia perdelicata (Murrill) M.J.Larsen & Lombard (1986)
* Postia ptychogaster (F.Ludw.) Vesterh. (1996) – Europe
* Postia punctata Rajchenb. & P.K.Buchanan (1996) – South America; Tasmania
* Postia qinensis Y.C.Dai & Y.L.Wei (2009) – China
* Postia rancida (Bres.) M.J.Larsen & Lombard (1986) – Great Britain
* Postia rennyi (Berk. & Broome) Rajchenb. (1993) – Europe
* Postia septentrionalis (Vampola) Renvall (1992)
* Postia sericeomollis (Romell) Jülich (1982) – Europe
* Postia simanii (Pilát) Jülich (1982)
* Postia stellifera T.Hatt. & Sotome (2011) – Malaysia
* Postia stiptica (Pers.) Jülich (1982) – Europe
* Postia subcaesia (A.David) Jülich (1982) – Europe
* Postia subplacenta B.K.Cui (2012) – China
* Postia subundosa Y.L.Wei & Y.C.Dai (2006) – China
* Postia tephroleuca (Fr.) Jülich (1982) – Asia, Europe
* Postia undosa (Peck) Jülich (1982) – Europe, North America
* Postia venata (Rajchenb. & J.E.Wright) Rajchenb. (1988)
* Postia zebra Y.L.Wei & W.M.Qin (2010) – China
In a 2018 revision of the Postia caesia complex, Otto Miettinen and colleagues proposed four new combinations, 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
* 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