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. , Index Fungorum accepts 57 species of "Postia":
In a 2018 revision of the "Postia caesia" complex, Otto Miettinen and colleagues proposed four new combinations, and described ten new species: