Grielum is a genus of four accepted species of plants in the family Neuradaceae. They are low-growing annual herbs endemic to dry regions, mainly in Western South Africa and Namibia.
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