Sedio, B. E., R. J. Williams, D. M. Price, C. F. Best, A. Contreras-Arquieta, J. R. Manhart, and A. E. Pepper. “Diversity across the Border: Genetic Study of a Highly Disjunct Occurrence of the U.S. Federally-Endangered Plant Species Physaria Thamnophila, Brassicaceae (Zapata Bladderpod) Discovered in Mexico”. Journal of the Botanical Research Institute of Texas, vol. 17, no. 2, Nov. 2023, pp. 413-26, doi:10.17348/jbrit.v17.i2.1320.