Sain, M. P., Norrell-Tober, J., Barthel, K., Seawright, M., Blanton, A., Hertweck, K. L., Placyk, Jr., J. S., Small, R., Williams, L. R., Williams, M. G., & Banta, J. A. (2021). Multiple complementary studies clarify which co-occurring congener presents the greatest hybridization threat to a rare Texas endemic wildflower (Hibiscus dasycalyx: Malvaceae). Journal of the Botanical Research Institute of Texas, 15(1), 283-308.