Hibiscus baidoensis Hibiscus calycosus Hibiscus ficarius Hibiscus lanzae Hibiscus subtrilobatus Hibiscus triumfettifolius Hibiscus rockii Urena ovalifolia Hibiscus baidoensis var. parvifolius Hibiscus brackenridgei var. kauaianus
World Flora Online, http://www.worldfloraonline.org/, accessed June 20, 2024