Heliogaster is a sequestrate genus of fungi in the Boletaceae family. This is a monotypic genus, containing the single species Heliogaster columellifer, found in Japan. The genus was first described in 2010, to accommodate the species formerly named Octaviania columellifera by Kobayasi in 1937.
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