Press, BRIT. “Plants of the Pineywoods of East Texas & West Louisiana. Part 1:: Herbaceous Eudicotyledons, Herbaceous Magnoliids & Nymphaeiids”. Journal of the Botanical Research Institute of Texas 17, no. 1 (July 21, 2023): 388. Accessed December 22, 2024. https://journals.brit.org/jbrit/article/view/1318.