Harnackia is a genus of flowering plants in the sunflower family, Asteraceae. It contains only one species, Harnackia bisecta, which is endemic to Cuba.
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