Wang, X., M. Wen, M. Wu, and D. Zhang. “Cordia Subcordata (Boraginaceae), a Distylous Species on Oceanic Coral Islands, Is Self-Compatible and Pollinated by a Passerine Bird”. Plant Ecology and Evolution, Vol. 153, no. 3, Nov. 2020, pp. 361-72, doi:10.5091/plecevo.2020.1757.