The Pachyascaceae are a family of lichenized fungi in the order Lecanorales. This is a monotypic family, containing the single genus Pachyascus. It is known only Arctic Europe.
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