Cystogomphus is a fungal genus in the family Gomphidiaceae. Circumscribed by American mycologist Rolf Singer in 1942, the genus is monotypic, containing the single species Cystogomphus humblotii, originally described from France.
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