*''[[Guibourtia demeusei]]'', Afrique de l'Ouest, Congo
*''[[Hymenaea verrucosa]]'', Afrique de l'Est
=== Monde Maya ===
*''[[Protium copal]]''
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=== Amérique du Sud ===
== Références ==
*Breedlove, D.E. & Laughlin, R.M., 1993. The flowering of Man : a Tzotzil botany of Zincantán. ''Smithsonian Contributions to Anthropology'', 35.
*Howes, F.N., 1949. The copals. pp. 93-103. In ''Vegetable Gums and Resins''. 188 p. Waltham, USA, Chronica Botanica.
*De Laubenfels, D.J., 1989. ''Agathis''. pp 429-442. In ''Flora Malesiana'', Series I, Vol. 10. Dordrecht, The Netherlands, Kluwer Academic Publishers.*Tripplett, K.J., 1999. The ethnobotany of plant resins in the Maya cultural region of southern Mexico and Central America. PhD. dissertation, University of Texas, Austin.
*Whitmore, T.C., 1980. Utilization, potential and conservation of ''Agathis'', a genus of tropical Asian conifers. ''Economic Botany'', '''34'''(1) : 1-12.
*Whitmore, T.C., 1980. A monograph of ''Agathis''. ''Plant Systematics and Evolution'', '''135''' : 41-69.