Kepler, Angela K./Kepler, Cameron B. 1994. The natural history of the Caroline Atoll, Southern Line Islands. Part I. History, physiography, botany, and isle discriptions. Atoll Research Bulletin No. 397. Smithsonian Institution, Washington. 225 pp.
Online details: http://www.botany.hawaii.edu/faculty/duffy/arb/397-398/397.pdf