Vernonia section Leiboldia (Schlecht.) Benth. & Hook. is a small, morphologically distinct group of six species ranging from south-central Mexico into Central America. In the present revision based on morphological studies of herbarium specimens, the section is treated as consisting of six species: V. arctioides Less., V. mexicana Less., V. salvinae Hemsl., V. lankesteri Blake, V. corae Standl. & Steyerm., and includes a new species, V. guerreroana S. B. Jones.