Gandhi, Kanchi N., Michael A. Vincent, and David M. Sutherland. “A New Combination in Psorothamnus Arborescens (Fabaceae)”. Journal of the Botanical Research Institute of Texas 14, no. 2 (December 7, 2020): 187–188. Accessed November 24, 2024. https://journals.brit.org/jbrit/article/view/1001.