An account of the species of trees and shrubs of the family Burseraceae in the state of Aguascalientes, México is presented. It includes a key for the identification of species, descriptions, data concerning common names, elevation, abundance and local distribution, as well as distribution maps and illustrations. Six species of Bursera were found: B. bipinnata, B. fagaroides, B. multijuga, B. palmeri, B. penicillata and B. roseana. Most of them are located in the municipality of Calvillo in dry tropical forest and subtropical scrub at altitudes between 16502500 m. Bursera fagaroides is the most widely distributed and abundant species in the state.
