Isocarpha (pearlhead) is a genus of flowering plants in the sunflower family. They are native to Mexico, Central America, the West Indies, and northern South America, with the range of one species extending north into the United States.
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