My project tests the hypothesis that the palo santo tree (Bursera graveolens) consists of multiple, distinct species. I will also quantify genetic diversity in palo santo populations to aid ongoing reforestation efforts. To test my hypothesis and compare genetic diversity levels, I will sequence DNA from 192 palo santo trees. My project will identify new, possibly endangered, species and help to restore declining palo santo populations and its critically endangered tropical dry forest habitat.