Lopes , Willian Adriano Lira, Luiz Antonio de Souza, and Odair José Garcia de Almeida. “Procambial and Cambial Variants in Serjania and Urvillea Species (Sapindaceae: Paullinieae)”. Journal of the Botanical Research Institute of Texas 11, no. 2 (November 29, 2017): 421–432. Accessed May 6, 2024. https://journals.brit.org/jbrit/article/view/1081.