16.
Givnish, T. J., Millam, K. C., Theim, T. T., Mast, A. R., Patterson, T. B., Hipp, A. L., Henss, J. M., Smith, J. F., Wood, K. R. & Sytsma, K. J. 2009. Origin, adaptive radiation, and diversification of the Hawaiian lobeliads (Asterales: Campanulaceae). Proceedings of the Royal Society of London, Series B 276: 407–416.