Barneby, R.C. & Grimes, J.W. (1996): Silk Tree, Guanacaste, Monkey's Earring: A generic system for the synandrous Mimosaceae of the Americas. Part I. Abarema, Albizia, and Allies. Memoirs of the New York Botanical Garden74(1): 1–292. ISBN0-89327-395-3
International Legume Database & Information Service (ILDIS) (2005): Genus Abarema. Version 10.01, November 2005. Retrieved 2009-12-19.