ILDON (Interactive Database on Nodulation), Nodulation, Legume Red List assessments, IUCN Red List of Threatened Plants, Legume researchers, Fabaceae, Legumes, IUCN Sampled Red List Index Project, Leguminosae, Kai Larsen, Sixth International Legume Conference 2013, Legume systematics, Legume species profiles on RBG Kew's website, Nodule properties, and VI International Conference on Legume Genomics and Genetics (ICLGG) 2012

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

Legumes of the World, Nodulation, Acacia, Rupert Barneby Award 2006, Legume researchers, Rodrigo Duno de Stefano, Fabaceae, Nodulated legumes of India, Legumes, Leguminosae, Legume systematics, Nitrogen fixation, and XVII International Botanical Congress (IBC) 2005

Legumes of the World, Nodulation, Benjamin M. Torke, Legume researchers, Fabaceae, Albertoa, Legumes, Leguminosae, The Genera of Legumes of Northern Mexico, Legume systematics, Nitrogen fixation, Mora oleifera drift-seed, Los Géneros de Leguminosas del Norte de México, Fabales, Rupert Barneby Award 2005, XVII International Botanical Congress (IBC) 2005, Acacia, and Vidal de Freitas Mansano

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

Rupert Barneby Award 2002, Nodulation, Legume researchers, Rhizobia, Aaron Liston, Rupert Barneby, Legumes, Leguminosae, Molecular sampling, Nitrogen fixation, European Conference on Nitrogen Fixation 2002, Fabaceae, Fourth International Legume Conference 2001, Leguminosae of Madagascar, and Legume systematics

Nodulation, Legume researchers, Fabaceae, Rupert Barneby Award 2000, Fourth International Legume Conference 2001, Legumes, Leguminosae, IPNI (International Plant Names Index), Gerry Allen, Nitrogen fixation, KRweb, Kew Record of Taxonomic Literature, Legume systematics, and Legume fruits and seeds

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