Royal Botanic Gardens, Kew
Leucaena Genetic Resources Handbook, Legume researchers, V Réunion Satélite de Especialistas en Leguminosas (Fabaceae) 2002, Fabaceae, Legumes, Rupert Barneby Award 2003, Leguminosae, Leucaena, 8th Latin American Botanical Congress 2002, Legume systematics, Jason Alexander, and 2nd Colombian Botanical Congress 2002