Zythiostroma is a genus of canker fungus in the Nectriaceae family. The two or three species in the genus, which are anamorphs of the genus Nectria, have been found in Europe and Java.
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