Staples, George W./Imada, Clyde T./Herbst, Derral R. 2003. New Hawaiian plant records for 2001. In: Evenhuis, Neal L. and Eldredge, Lucius G., eds. Records of the Hawaii Biological Survey for 2001-2002. Part 2: Notes. Bishop Museum Occasional Papers. 74:7-21.
Online details: http://hbs.bishopmuseum.org/pdf/op74.pdf