Nodulation, RBG Kew Legume herbarium collection, Legume researchers, Fabaceae, Rupert Barneby Award 2009, Legumes, Leguminosae, Juliana Rando, Legume systematics, Nitrogen fixation, Fifth International Leguminosae Conference 2010, and Nodulated legumes of South Africa

Sirli Leython, Nodulation, Rupert Barneby Award 2006, Legume researchers, Fabaceae, Legume Colloquium Botany 2008, Legumes, Leguminosae, Legume systematics, Nitrogen fixation, Lentil, and Botany 2008

GRIN (USDA Germplasm Resources Information Network), Recent Advances in Latin American Legume Research 2006, Acacia, Legume researchers, International Pollination Symposium on Plant-Pollinator Relationships 2007, Fabaceae, American species of Acacia, ILDIS (International Legume Database and Information Service), Legumes, Leguminosae, IX Congreso Latinoamericano de Botánica 2006, Legume systematics, Nitrogen fixation, Rupert Barneby Award 2007, Simposio de especialistas en Leguminosas 2006, Nodulation, Fifth International Legume Conference, and Valquiria Ferreira Dutra

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Ceratotropis, Legumes of the World, Nodulation, Rupert Barneby Award 2004, Legume researchers, Advances in Legume Systematics Part 11, Fabaceae, Legumes of South Asia, Fourth International Legume Conference 2001, Legumes, Leguminosae, Legume systematics, Nitrogen fixation, Vigna, Legume fruits and seeds, South American Legume Report, IGSM (International Group for the Study of Mimosoideae), ILDIS (International Legume Database and Information Service), Karren Redden, and Advances in Legume Systematics Part 10

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

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Nodulation, Legume researchers, Fabaceae, Pablo Lozano, Fourth International Legume Conference 2001, IV Reunión Satélite de Especialistas en Fabáceas 1998, Leguminosae, Legume systematics, Nitrogen fixation, VII Congreso Latinoamericano de Botánica 1998, Rupert Barneby Award 1998, and Legumes