Osteina is a fungal genus in the family Fomitopsidaceae. It is a monotypic genus that contains the single species Osteina obducta. The genus was circumscribed by mycologist Marinus Anton Donk in 1966.
Species taxanomy provided by GBIF Secretariat (2022). GBIF Backbone Taxonomy. Checklist dataset https://doi.org/10.15468/39omei accessed via GBIF.org on 2023-06-13; License: CC BY 4.0