| Kingdom | Phylum | Class | Order | Family | Genus |
|---|---|---|---|---|---|
| Fungi | Ascomycota | Dothideomycetes | Collemopsidiales | Xanthopyreniaceae | Collemopsidium Nyl., 1881 |
Collemopsidium ostrearum (Vain.) F.Mohr. GBIF Backbone Taxonomy. Checklist dataset https://doi.org/10.15468/39omei accessed via biodiversity.aq on 2021-08-26.