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. 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, v. 15, n. 1, p. 283-308, 23 Jul. 2021.