Castro, A. A. J. F., F. R. Martins, and A. G. Fernandes. “The Woody Flora of Cerrado Vegetation in the State of Piaui, Northeastern Brazil”. Edinburgh Journal of Botany 55, no. 3 (November 1, 1998): 455–472. Accessed September 15, 2026. https://journals.rbge.org.uk/ejb/article/view/943.