Peridictyon is a name that has been used for a genus of grass with a single species, Peridictyon sanctum nom. inval., native to southern Bulgaria and northern Greece, but a technical problem with the publication means that it is not a botanical name.
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